The following is not one of the ways protists are classified: their size, which is present in Option C because protists are classified based on their energy source and other factors.
What characteristics do protists have?Protists are eukaryotic cells; they are unicellular, such as amoebas, and they have organelles like the nucleus, vacuole, golgi, and so on that are found in other eukaryotic organisms, and apart from that, the amoeba does have the contractile vacuole that helps in the proper digestion of the food, and they also have different modes of taking the nutrition as some of them are plant-like and some of them are animal-like.
Hence, the following is NOT one of the ways protists are classified: their size, which is present in Option C because protists are classified based on their energy source and other factors.
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In the diagram above, label the following:
The DNA Ladder
The positive end
The negative end
The direction DNA moves (indicate with an arrow)
The smallest/shortest RFLP
The largest/heaviest RFLP
In gel electrophoresis, the DNA ladder is the band pattern used to compare other samples. The negative end is located in the upper part of the gel, while the positive end is in the lower part. The migration direction is from the negative end to the positive one. Smaller fragments migrate further than the largest fragments. Image attached.
What is Gel electrophoresis?Gel electrophoresis is a method based on DNA fragment sizes and used to analyze polymorphism resulting from the DNA sequence variation among individuals.
Through this method, DNA fragments of varying lengths from samples cut with restriction enzymes are separated according to their size and charge.
All the different DNA samples are placed in one of the gel extremes.
A control DNA sample is used as a reference since its fragment sizes are already known. This is the DNA ladder.
An electric current acts on the gel and triggers the migration of the DNA fragments.
Fragment motion occurs from the negative end toward the positive one. This is because DNA fragments are negatively charged, so they are attracted to the positive side of the gel.
The smaller fragments can move further than larger fragments.
Fragments separate and create band patterns. Once the bands are separated, each of them can be compared with the control bands to get to know their approximate sizes.
Since I do not have the original diagram, in the attached files you will find a random image with the labels on it. You can use it to complete your task.
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Megha fractured her leg while playing. Doctor plastered her leg and advised her to take calcium tablets and milk regularly. He also asked her to get plenty of sunlight. Why did the doctor asked Megha to take calcium tablets? Why did the doctor ask Megha to get plenty of sunlight?
The doctor informed her that because the bones in her legs tend to deteriorate and fracture, she should take calcium and vitamin D supplements to strengthen her bones.
A shattered bone occurs frequently. The bone can repair itself given enough time and the appropriate care. To keep the arm or leg fracture in place while the bone heals, a plaster cast is put. You are urged to visit a doctor the following day to ensure the plaster is fitted appropriately once it has been put.
Plaster casts typically are worn for six weeks. Depending on your age, general health, and the type of fracture, this period may be either longer or shorter. X-rays are taken throughout this time to make sure the bone is mending properly. You might be sent to an orthopedic surgeon if there are issues with the type of fracture or the manner the fracture is healing (bone doctor).
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The properties of water are an essential part of what makes water unique. What affect does the properties of water have on Earth's surface and its systems?
How does water’s molecular structure affect solubility of substances on Earth? Provide a real-world example.
Explain how all the properties of water are related. Provide an example to describe the interconnectivity of each property. Be sure to include hydrogen bonding, polarity, surface tension, capillary action, cohesion, adhesion, high specific heat, and expansion upon freezing.
The polarity of water is the basis for all other observed properties of water.
What is water?Water is a highly polar covalent molecule. The dipole of water is high such that the molecule is known to have a very high dielectric constant. Given the fact that water is a very much polar molecule, there are several unusual properties of water. All these unusual properties of the water molecule stem from the fact that there a very high degree of intermolecular hydrogen bonding which holds the molecules of water together.
For instance, the polarity of water causes water to have a high surface tension. This explains why an umbrella could be used to hold water and protect the person using it from being drenched by the rain.
The fact that water molecules are agglomerated by the hydrogen bond which stems from high polarity of the molecule, the usual properties of water such as surface tension, capillary action, cohesion, adhesion, high specific heat, and expansion upon freezing are all observed.
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Identify the one sugar from the list based on the naming structure provided for Enzymes and Sugars.
Pectinase
DNA Polymerase
Glucose
Lactase
According to the research, the correct option is lactase. It is a sugar from the list based on the naming structure provided for Enzymes and Sugars.
What is lactase?It is a double sugar composed of glucose and galactose acting as the enzyme that catalyzes the hydrolysis of the disaccharide lactose to glucose and galactose.
In this sense, it is found in the small intestine and since it is a disaccharidase that specifically breaks down lactose, when this enzyme in the intestinal mucosa is deficient or inadequate, lactose reaches the colon where it is fermented, producing lactose intolerance due to this imbalance.
Therefore, we can conclude that according to the research, the correct option is lactase. It is a sugar from the list based on the naming structure provided for Enzymes and Sugars.
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The adaptive advantage of a fungus producing and secreting a bacterial inhibitor would be that it protects against microbial competitors
The adaptive advantage of a fungus producing and secreting a bacterial inhibitor would be that it protects against microbial competitors: is an extensive surface area well suited for invasive growth and absorptive nutrition.
Fungus
A fungus is any eukaryotic organism that includes microbes like yeasts and moulds, as well as the more recognisable mushrooms. These organisms are classed as a kingdom distinct from the other eukaryotic kingdoms, which include Plantae, Animalia, Protozoa, and Chromista in one traditional taxonomy.
The presence of chitin in fungi's cell walls distinguishes them from plants, bacteria, and some protists. Fungi, like animals, are heterotrophs; they obtain nourishment by absorbing dissolved molecules, usually by secreting digestive enzymes into their surroundings.
Fungi, like plants, use chemical defence, which involves the creation of poisons that affect the growth, development, or viability of the antagonists.
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2 Answer:
Refrigeration is the most effective means of preserving a food
product.
a. true
b. false
3 Answer:
Chemical drying uses a chemical substance to remove moisture from
the surface of a food.
a. true
b. false
4 Answer:
Food preservation is a condition in which food becomes unsafe to
eat.
a. true
b. false
5 Answer:
The palatability of a food is important because it has a strong
effect on the food's nutritional value.
a. true
b. false
6 Answer:
Another name for using ionizing radiation to process food
is _____.
a. osmosis c. cold sterilization
b. gamma radiating d. heat processing
7 Answer:
Liquid added to a can or jar before canning a fruit or vegetable is
called canner's _____.
a. retort c. brine
b. hot fill d. fluid
8 Answer:
_____ is fluid that accumulates on the outside of a frozen food
product when it is thawed.
a. Drip c. Osmosis
b. Freezer burn d. Aseptic liquid
9 Answer:
_____ is a heat treatment that destroys all pathogenic
microorganisms in a food, but does not destroy all spoilage
microorganisms.
a. Homogenization
b. Ultrahigh-temperature pasteurization
c. Blanching
d. Pasteurization
10 Answer:
Which of the following is NOT a method of food preservation?
a. canning c. freezing
b. storing d. irradiating
11 Answer:
Graphs that plot microbes killed against time at a particular
temperature are called _____.
12 Answer:
Because foods that undergo _____, the complete destruction of all
microorganisms, also undergo significant physical changes, most are
treated only to the point of commerical sterilization, which leaves
some bacterial spores.
13 Answer:
_____ is the process that creates pickles from cucumbers,
sauerkraut from cabbage, and wine from grape juice.
2. True
3. true
4.false
5. false
6. d= heat processing
7. c= brine
8. A = drip
9. d= pasteurization
10. b= storing
11. Thermal death time
12. sterilization
13. fermentation
What is food sterilization?
Sterilization is the complete destruction or elimination of all viable organisms in a food or any food product.
The method found to be most effective for the sterilization of packaged foods is heat disinfection. This method involves heating the food and its containers up to temperatures that eliminate any microorganisms that may damage the foods.
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What is the period of an ocean wave?
OA. The time it takes for two successive crests to pass a stationary
point
OB. The time it takes for one crest and the following trough to pass a
stationary point
OC. The distance between a crest and a trough
OD. The distance between two successive crests
The period of an ocean wave is option A. The time it takes for two successive crests to pass a stationary point.
The time period T is the time it takes one wavelength or two consecutive troughs (or crests or another wave reference factor) to bypass by using a fixed position.
A wave is a propagating dynamic disturbance of 1 or greater quantities. Waves can be periodic, in which case those quantities oscillate again and again about an equilibrium fee at a few frequencies. A wave is a disturbance in a medium that carries energy without a net motion of particles. it is able to take the shape of elastic deformation, a version of pressure, electric powered or magnetic intensity, electric ability, or temperature.
The period of a wave can be measured with the aid of selecting any time on the graph to be the initial time, and the time it takes to return to that position at the same time as heading inside the same route as the very last time.
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What are some positive effects of using steroids ?
If the root and stem ratio of the plant reaches a very small number, how can I explain the conditions of the plant and its development in the research?
Root system is essential for absorbing nutrients and water. The higher the biomass, the greater the agricultural output, and the more intense the root-level absorption. Greater root density and root interception for nutrient uptake are correlated with higher root/shoot ratios.
What is root and stem ratio of the plant ?The root-to-shoot ratio measures the proportion of plant tissues that serve as supports (the roots) to those that serve as sources of growth (shoots). For soil nutrients, a plant that has more roots than its neighbours will be able to compete more successfully.
It is determined that how dry matter is distributed inside a plant depends on the internal balance between labile nitrogen and carbon in the root and shoot system.Learn more about Root and stem here:
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Water, H₂O, is an example of a chemical [blank] because it is
made from both hydrogen and oxygen.
Answer:
compound
Explanation:
since it is BOTH hydrogen and oxygen, it is a compound because a compount is a object made up of 2 or more atoms that have been chemically bonded
a. How many grams of sucrose would you dissolve in
water for a total volume of 500 mL to make a 5% (weight/volume)
solution?
25 grams of sucrose should be dissolve in water for a total volume of 500 mL to make a 5% (weight/volume) solution.
The mass-to-volume ratio of the solution, which is 5% (g/mL), is equal to 0.05. 500 mL times 0.05 equals 25 that is 500 x 0.05 = 25.
What is sucrose?Disaccharide sucrose is a sugar made of the monomers glucose and fructose. It is the primary component of white sugar and is produced naturally in plants.
From either sugarcane or sugar beet, sucrose is extracted and processed for human use. Sugar mills, which are often situated close to sugarcane plantations in tropical areas, crush the cane to produce raw sugar, which is then sent to other factories where it is refined into pure sucrose. In temperate regions where sugar beets are cultivated, sugar beet manufacturers turn the beets directly into refined sugar.
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PLEASE HELP ME GUYS PLEASE IM BEGGING!!!! I THINK ITS SIMPLE
Answer:
Explanation:
Fertilizer
what are the products of photosynthesis is missing from the diagram what is this missing product
The products of photosynthesis that is missing from the above diagram is carbohydrates (simple sugar).
What is photosynthesis?Photosynthesis is the process by which plants and other photoautotrophs convert light energy into chemical energy.
Autotrophic organisms like green plants synthesize food (carbohydrates) in the presence of sunlight.
The reactants of photosynthesis are light energy, carbon dioxide from the atmosphere and water from the soil while the products of photosynthesis are oxygen and carbohydrates (simple sugar).
Therefore, the products of photosynthesis that is missing from the above diagram is carbohydrates (simple sugar).
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what is another name for plants fats?
Which statement best explains why a new scientific investigation would be performed to test a theory that is already accepted?
loss of funding for new theories
the lack of availability of new theories
the discovery of new evidence
public pressure and demand for change
The statement that best explains why a new scientific investigation would be performed to test a theory that is already accepted is- the discovery of new evidence
Scientific investigation is a process of finding answers to a question using various research tools. They are used to confirm the various hypothesis that are proposed by various scientists.
In an investigation, there are steps that needs to be followed-
1. Establish hypothesis.
2. Determine the objective of the experiment.
3.. Perform experiment and collect the data
4. Make an observation
5. Analyzing the result and drawing the conclusion
6. Present the findings
Scientific investigation is done to to test a hypothesis. But whenever a new discovery is announced it opens the door for more investigation to test the present theory.
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How did the Mesozoic era end
Answer:
The Chicxulub meteor
Explanation:
The Mesozoic Era includes the Triassic, Jurassic, and Cretaceous Periods, which are pretty synonymous in Paleontology and pop culture (due to a certain film you've probably seen). The final period, the Cretaceous Period, culminated with the impact of the Chicxulub meteor in Mexico and ended the Mesozoic Era.
The patient is showing symptoms of Alzheimer's Disease. The
cells have unusual shapes and are not dividing correctly. There are a lot
less organelles giving the cell a shape.
Which organelles are involved?
The cell organelles affected in Alzheimer's disease are the mitochondria, lysosomes and the centrosomes.
What are cell organelles?Cells organelles are specialized structures found within the cell that perform a specific function.
The various cell organelles found within the cells include:
mitochondrianucleusendoplasmic reticulumlysosomescentrosomesGolgi bodiesAlzheimer's disease affects the neurons in specific regions of the brain that function in memory and thinking.
The cell organelles affected in Alzheimer's disease are the mitochondria which produce energy, the lysosomes which remove unwanted proteins from the cell and the centrosomes which are involved in cell division.
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Urgently!! I have test tomorrow!! I Need To Know!!
Which organelle is responsible for moving material around inside the cell (Conveyor belt)?
Answer:
The ER (endoplasmic reticulum)
Explanation:
The steps involved in building a protein. The smooth ER helps transport materials within the cell. Hope this helps!!
Which explains the differences in the distribution of solar energy on Earth’s surface?
Earth’s gravitational force pulls the sun’s rays away from the equator.
Earth’s gravitational force pulls the sun’s rays away from the equator.
Earth’s solar energy is dependent on air currents.
Earth’s solar energy is dependent on air currents.
Earth’s climate system determines how much energy is absorbed from the sun.
Earth’s climate system determines how much energy is absorbed from the sun.
Earth’s curved shape and tilt on its axis do not allow the sun’s rays to fall evenly on its surface.
Earth’s curved shape and tilt on its axis do not allow the sun’s rays to fall evenly on its surface.
The statement that explains the difference in the distribution of solar energy on Earth’s surface is that the Earth’s curved shape and tilt on its axis do not allow the sun’s rays to fall evenly on its surface. That is option D.
What is solar energy?The solar energy is the energy that is derived from the sun which occurs due to the nuclear fission reaction occuring within the sun.
The earth is known to have a spherical shape and revolves round about its own axis as it moves round about the sun.
The solar energy rays released from the sun won't be able to reach the whole surface of the earth because of its shape but it can reach a portion of the earth at a time.
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8 4 Fig. 8.1 shows a plant shoot responding to directional light. light Fig. 8.1 (a) Name the hormone which causes the response in Fig. 8.1.
The hormone which causes the shoot to respond to directional light is auxin.
Phototropism is the process by which plants respond to light by growing toward or away from a light source. Growing toward a light source is known as positive phototropism, whereas growing away from light is known as negative phototropism.
In general, the above-ground or shoot portions of plants exhibit positive phototropism or bending toward the light. This reaction assists the plant's green portions in moving toward a source of light energy, which may subsequently be utilized for photosynthesis. On the other hand, roots will often develop away from light.
The primary photoreceptors involved in phototropism are proteins referred to as phototropin. In response to phototropin activation, auxin, a plant hormone, is carried unequally along the two sides of the coleoptile. Auxin encourages cell elongation, which makes the plant grow more on the shaded side and bend toward the light source.
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Match each example to the vocabulary term that best describes it.
1. basic unit of structure and func-
tion for a butterfly
2. 99 butterflies
3. blue butterflies
4. a butterfly sitting in the sun to
keep it's body warm
5. chemical reactions that help a
butterfly's body to function, includ-
ing breaking down food for
energy.
a.cell
b. homeostasis
C.qualitative data
d. quantitative data
e. metabolism
Match them
Answer:1-a, 2-d, 3-c, 4-b, and 5-e
Explanation:
i have straights a's in biology and i did this
99 butterflies are qualitative data and blue butterflies are quantitative data. A butterfly sitting in the sun is for its homeostasis. Chemical reactions for the formation of energy are called metabolism.
What are metabolism and homeostasis?The cellular energy status, characterized by glycolysis and oxidative phosphorylation as the ATP-producing pathways, determines metabolic homeostasis and is set and maintained via near-equilibrium processes.
The concentrations of ATP, ADP, AMP, and Pi allow for communication between the energy status and every aspect of cellular metabolism.
The numerous additional regulatory tasks performed by the listed metabolites and metabolite ratios are represented by the open-ended arrows.
Therefore, a cell is a basic unit of structure and function.
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A dihybrid cross displays the possible allele combinations for two different * 1 point
traits. In pea plants, seed can be yellow (dominant) or green (recessive).
They can also have a smooth seed texture (dominant) or wrinkled
(recessive). Using the diagram above, identify the probability (as a
percentage) of offspring with YELLOW SEEDS and WRINKLED TEXTURE.
ametes from heterozygous parent
yR
At
YYRR
YR YYRR
yr
YyRr
gametes from heterozygous parent
YR
YR
Yr
yr
YYRR
YyRr
Dihybrid Cross
YYTT
YYRR yyRR YyRr
Yr YYRr YyRr YYrr
yyRr
qOw/viewform
YYRr YyRr
Yyrr
yyRr
Yyrr
yyrr
P Generation
F₁ Generation
Phenotype:
F₂ Generation
Phenotype:
3:
9:
3:
72°F Sunny
A dihybrid cross represents a mating experiment between two organisms that are identical hybrids for two traits. Hybrid organisms are heterozygous, meaning they have two different alleles at a particular genetic position or locus.
In a dihybrid cross, the parents have different allele pairs for each trait. One parent has a homozygous dominant allele and the other parent has a homozygous recessive allele. All offspring generated after the F1 generation of mating are heterozygous for a particular trait.
A dihybrid cross is a cross between two organisms that are heterozygous for two different traits. Individuals with this type of trait are homozygous for a particular trait. These characteristics are determined by segments of DNA called genes.
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When you eat pasta, cereal, potatoes or other food high in carbohydrates, the level of _____________ in your blood rises.
Question 1 options:
Glucose
Carbon Dioxide
Hydrogen
starch
Answer:
I believe the answer is D, starch.
Explanation:
I know potatoes are high in starch and could be glucose, too, but I'm more confident in starch.
Hope this helps!
Look at the microscope image of cheek cells below. Identify which letter represents the area where DNA is stored.
Answer:
nucleus
tissues
proteins
'X' represents the nucleus of the cheek cells which is the area where DNA is stored.
What is DNA ?DNA is a hereditary material which is present in human beings as well as all other living organisms. Every cell which is present in an organism's body has DNA which is the same. Most of the DNA is situated in the cell's nucleus and small amount of it can be found in the cell's mitochondria as well.
Information which is stored in DNA is stored as codes made up of four chemical bases namely, adenine, thymine , cytosine and guanine.Human DNA consists of 3 billion bases .The order of the bases determines information which is required for building and maintaining an organism.
DNA bases are capable of pairing up with each other. Adenine pairs with thymine and guanine pairs up with cytosine .Each base is also attached to a sugar molecule and a phosphate group. A base, phosphate sugar are together called as nucleotides.
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what is the purpose of the micro filament formation that makes the mitotic spindle
Answer:
The mitotic spindles formed during prophase are composed of microtubules and have a ropelike structure. The function of the mitotic spindle is to help to equally divide the chromosomes in the parent cell to ensure that equal, identical copies are found in both daughter cells after mitosis is complete.
Explanation:
Nutrients are needed for: a) growth b) decomposing
c) fertilizer
What is a function of hair? A. Hairs on the head and arms keep a person cool. B. Hairs prevent dust from entering parts of the body. Hairs prevent dust from entering parts of the body. C. Hairs help light travel from the eyes to the brain. D. Hairs on the bottoms of the feet help a person to walk.
A. Hairs on the head and arms keep a person cool.
Explanation:A layer of hair or fur even as thin as the hair on our arms can trap air and create an insulating layer between our skin and the colder temperatures outside. The thicker the fur and the oilier it is the better the insulation.
what's photosynthesis ?
anyone wànna be friends ?
Answer:
Photosynthesis is the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar.
Answer:
photosynthesis is the series of chemical reactions. Where raw materials are carbon dioxide and water and products are oxygen and glucose.
A(n)
is a pure substance that cannot be broken
down into other substances.
A(n) is a pure substance that cannot be broken down into other substances element.
An element is a pure substance that cannot undergo a chemical reaction to transform into another substance. Atoms are a substance's building blocks, making it an element. One thing unites these atoms: they all share the same atomic number, which is the sum of the protons in each atom's nucleus.An interaction between two or more compounds to create one or more new substances is known as a chemical reaction. Reactants are the substances that participate in a chemical reaction, while products are the compounds that are created during a chemical reaction.To know more about pure substance visit:
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discuss 2 challenges experienced by the organisation.
2 challenges experienced by the organization are Recruiting the proper talent and uncertainty regarding future competencies.
An organization is a formal structure that was developed with the aid of a team of individuals who joined forces to pursue common business objectives and common aims for growth and development.
Every business has difficulties while it runs, and these difficulties have a significant impact on the success and expansion of the organization.
Any organization that lacks direction struggles to function effectively since there are no rules or resources available. To advance, trained and skilled labor is needed, or it may be necessary to have a leader who can efficiently manage things.
An organization is made up of a variety of human resources from different backgrounds and cultures. Due to the fact that team conflicts result from individual differences, they find it challenging to manage teamwork.
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