The is a process used to design fair investigations and experiments. Scientists begin by asking to determine what they want to learn about the object they are studying. They develop the Hypothesis.
Hypothesis- A preliminary, verifiable explanation for a phenomena in the natural world is what is known as a scientific hypothesis. It serves as the foundation of the scientific process. Many say it's a "informed guess" based on what they've seen and what they've known before. This is accurate, yet a hypothesis is based on more information than a guess. Obesity is caused by consuming sugary beverages on a regular basis. A basic hypothesis would be like this.
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a paramecium is a single-celled organism that lives in ponds. it travels at a rate of 2,000 micrometers per second. what is the speed of the paramecium in meters per hour? (hint: look at the first tile to see how many significant digits are in the value.)
When a paramecium travels at the rate of 2,000 micrometers per second. Then its speed in meters per hour will be 7.2 m/sec.
Paramecium is a eukaryotic protozoan belonging to the Kingdom Protista. It is unicellular organism with cilia all over its body. They are abundantly found in fresh-water. The use of paramecium can be found in carbon cycle.
According to the question,
Speed of paramecium = 2,000 micrometers (μm) per second
1 μm = 10 ⁻⁶ meter
Also, 1 second = 1/3600 hour
Therefore, the speed of paramecium in m/hour will be
speed = [2000 × 10 ⁻⁶] / [1/3600]
Therefore, speed = 7.2 m/hour
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Identify two other life functions that are essential for the survival of all
living organisms (like birds). Explain how each of the two life functions
you identified maintains homeostasis.
Answer: Two life functions performed by all living organisms are nutrition and respiration. Identify two other life functions that are essential for the survival of all living organisms. Explain how each of the two life functions you identified maintains homeostasis.
Explanation:
Which of the following are biotic? (choose all that are correct)
Sun
01
2
Bacteria
Clouds
Mushroom
Elephant
Cotton T-shirt
Dirt
Paper
Coral
Water
1 point
What characteristics do all living things share?
Bacteria
mushroom
Elephant
Coral
They are made up of cells
Suppose that zonosemata flies whose own wings had been clipped and reattached were attacked more frequently than untreated zonosemata flies. How would this result have affected the reliability of the other experimental results?.
The experimental groups that had wing surgery would have no results.
Surgery- The area of medicine that treats sickness or injuries through procedures. Surgery may entail physically altering human tissues and organs by cutting, abrading, suturing, or other means.
Tissue- Tissue is a group of cells that have similar structure and that function together as a unit. A nonliving material, called the intercellular matrix, fills the spaces between the cells. This may be abundant in some tissues and minimal in others.
Cells- The simplest form that can sustain life on its own and makes up all living things, including the body's tissues. The cell membrane, the nucleus, and the cytoplasm are the three primary components of a cell.
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Help...........................
The relationship between the single celled paramecium and the multicellular giraffe in terms of the cell theory is that both organisms are made of cells.
What is cell?In taxonomy, we often try to classify life. The classification of life often starts from the simplest to the complex levels of the organization of life. All the organisms that exists in the universe must falls somewhere into this strata of life. We know that the simplest unit of life is the cell. It is defined as the simplest independent unit of an organism.
According to the cell theory, all organisms are composed of cells and the cells that we have in existence are always derived from pre existing cells. The cells was first discovered by Robert Hooke as he was working with his crude compound microscope.
Now, since all organisms are composed of cells, the relationship between the single celled paramecium and the multicellular giraffe in terms of the cell theory is that both organisms are made of cells.
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The engineering design process is not linear process. in other words, it does not follow a set of order. Why?
To understand people, challenge assumptions, reframe problems, and create unique solutions for prototyping and testing, teams use design thinking, a non-linear, iterative method. Empathize, Engineering Define, Ideate, Prototype, and Test is a five-step process that can be used to tackle challenges that are unclear or unidentified.
Engineering design is, in other words, not a linear process but rather a highly creative and dynamic one marked by problem formulation, quick iterations, and practical solutions. The design process is circular rather than linear; insights obtained in one stage flow back into and influence changes in subsequent stages16. Program is created to fill a need.
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In this food web which organism is a producer
A.sawgrass
B.white tailed deer
C.great blue heron
D.anhinga
Answer: sawgrass
Explanation:
these are plants characterized by long,narrow leaves.
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Which of the following explains the role of fruit bats as pictured in the rainforest food web shown above?
They are heterotrophs that depend on producers or other consumers for food.
They are saprotrophs that recycle organic waste into food.
They are autotrophs that use organic materials and sunlight to make food.
They are detritivores that rely on dead plant matter for food.
The sentence that explains the role of fruit bats as pictured in the rainforest food web shown above is they are heterotrophs that depend on producers or other consumers for food.
What do bats like to eat most?
Some bats are classified as nectarivores in terms of food, because their preferred menu is flower nectar and pollen. Most Brazilian bats prefer insects, while most around the world are frugivorous, that is, they feed on fruits.
Bats' diet varies by species. Thus, there are those who feed on fruits (frugivores), nectar and pollen from flowers (nectarivores), insects (insectivores), small vertebrates (carnivores) and blood (hematophages).
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15 10 points
The gross primary productivity of an ecosystem is 2,700 kcal/m2/year and the net primary productivity is 1,700 kcal/m2/year.
What is the approximate number of kcal/m2/year available to the primary consumers in that ecosystem?
Hint: remember back to Biology and how energy flows through an ecosystem. If you can't remember things from that long ago, refer to the unit powerpoint part 1
1
00000
170 kcal/m2/year
4,400 kcal/m2/year
270 kcal/m2/year
100 kcal/m2/year
The correct option is = 100 kcal/m2/year
The given values are Gross primary productivity = 2,700 kcal/m²/yearNet primary productivity = 1,700 kcal/m²/yearNPP = GPP – organic material spent in aerobic respiration. 1,700 kcal/m²/year - 2,700 kcal/m²/year = – organic material spent in aerobic respiration.- 1000 kcal/m²/year = – organic material spent in aerobic respiration.organic material spent in aerobic respiration= 1000 kcal/m²/year(It represent the organic material in each tropic level)As the primary producer lost 10% of energy during respiration(10% energy are lost after each and every steps), so the The net productivity of primary producer is = 1000×0.1The net productivity of primary producer is = 100 kcal/m2/year The approximate number of 100 kcal/m2/year available to the primary consumers in that ecosystem.Learn more about Net primary productivity here
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When blood sugar levels are too high, the pancreas helps to maintain balanced blood
sugar levels by releasing _______ This hormone helps the cells and liver take in extra sugar to lower the blood sugar levels back to their set point.
A. Glucogon
B. Oxygen
C. Glycogen
D. Insulin
Answer: My best guess would be Insulin
Explanation:
Insulin signals body cells to take up glucose from the blood, which returns blood glucose levels back to normal.
Establishment of the CODIS and NADNA databases.
Oduring the 1800s
Obefore the 1800s
1900-1988
1990-present
is the use of genes for treating human genetic disorders. a. recombinant dna technology b. genomics c. genetics d. pharmacogenomics e. gene therapy
Is the use of genes for treating human genetic disorders d. pharmacogenomics .
What is pharmacogenomics ?Pharmacogenomics is the study of how genes impact how a person reacts to medications. In order to create powerful, secure treatments that may be administered based on a person's genetic profile, this area integrates genomics (the study of genes and their roles) and pharmacology (the science of drugs).
Although many medications on the market today are "one size fits all," they don't all operate in the same manner. It can be challenging to determine who will respond well to a treatment, who won't respond at all, and who will encounter unwanted side effects (called adverse drug reactions). In the US, adverse medication responses constitute a major factor in both hospital admissions and fatalities.
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Please help with this question
The 2 ways that nitrogen is "fixed" are by plants and bacteria.
What is nitrogen fixation?Nitrogen fixation is a process in which there is a combination of nitrogen with oxygen or hydrogen to form oxides or ammonia that can be incorporated into the biosphere.
Fixation can occur in two ways: abiotically by means of electrical discharges or combustion and biotically by the action of microorganisms thanks to bacteria or through symbiosis by means of some plants. This process is known as biological nitrogen fixation.
Therefore, we can confirm that the 2 ways that nitrogen is "fixed" are by plants and bacteria.
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Joints are caused when a rock fractures along numerous flat surfaces
True
False
Answer:The answer is true
Explanation:please give brainliest if right.
Which of the following statements is true concerning diabetes?
A. Type 1 diabetes develops with the body doesn't make insulin or use it properly in
the body
B. Type 2 diabetes is often linked to obesity and presents itself when body cells
stop responding properly to insulin
C. People who have diabetes can usually manage and control it with a healthy diet,
exercise and insulin injections
D. All the above
The advantage of treating separate samples of a protein with two or more enzymes when sequencing a protein is that the products are:_________
When sequencing a protein, the benefit of processing different samples with two or more enzymes is that the results are fragments with overlapped sequences.
What are enzymes?The chemical reactions, or metabolism, of our bodies are sped up by proteins known as enzymes. While certain chemicals are broken down, others are generated. Everything that is alive contains enzymes. Naturally, enzymes are produced by our bodies.
What types of organisms are enzymes?Lipases: This group of digestive enzymes helps the gastrointestinal tract break down lipids.Amylase: In the saliva, amylase helps turn carbohydrates into sugars.The salivary protein maltose breaks down the sugar maltose into glucose.Trypsin: These enzymes break down into amino acids in the small intestine.To know more about Enzyme visit:
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2. What is the portion of DNA that contains information for the physical expression of a trait or characteristic?
In eukaryotes, but not in prokaryotes, ribosomes find the start site of translation by __________.
In eukaryotes, but not in prokaryotes, ribosomes find the start site of translation by scanning along the mRNA from the 5′ end.
Translation- A cell's method of producing proteins by using the genetic information contained in messenger RNA (mRNA). The information included in the mRNA, which is created by replicating DNA, instructs the cell on how to assemble proteins from amino acids.
mRNA- The cytoplasm is where the mRNA that is produced in the nucleus connects to the ribosomes after being transferred from the nucleus. The nucleotide sequence of the mRNA serves as a guide for the assembly of proteins on ribosomes. The cytoplasm receives a "message" from the nucleus through mRNA.
The given question is incomplete, find below the complete question,
Q. In eukaryotes, but not in prokaryotes, ribosomes find the start site of translation by ____________________________.
Select one:
a. binding directly to a ribosome-binding site preceding the initiation codon.
b. scanning along the mRNA from the 5′ end.
c. recognizing an AUG codon as the start of translation.
d. binding an initiator tRNA
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One reason cells divide is that
One reason cells divide is that Growth and Replacing damaged or dead cells.
For your body to expand and for bodily tissue like skin to continuously regenerate itself, cells must divide. When a cell splits, the outer membrane pulls inward more and more until the newly developing cells separate from one another. Usually, this procedure divides the original (parent) cell into two new (daughter) cells. Because food and oxygen must be transported to the internal components through the cell membrane, cells are constrained in size A cell's outer cannot keep up with its interior as it expands because the interior expands more quickly than the exterior.learn more about cells divide here: https://brainly.com/question/796780
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What do elements of the same period in the periodic table have in common?
Answer:
A period in the periodic table is a row of chemical elements. All elements in a row have the same number of electron shells. Each next element in a period has one more proton and is less metallic than its predecessor.
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When incorporated into a polypeptide chain not at the n or c terminus, _______ would make the charge of the polypeptide more positive.
The amino acids which can provide positive charge will be Arginine or lysine .
What do a polypeptide's N-terminus and C-terminus look like?
The "N-terminus," also known as the "amino terminus," and the "C-terminus," also known as the "carboxyl terminus," are the free amine and carboxylic acid ends of the chain, respectively. These two protein termini differ chemically from one another, hence it follows that they will naturally have various chemical properties.
Arginine is an amino acids that helps in body build protein . In packaging of DNA arginine and lysine are used because they carry positive charge.
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Which organism commonly causes food poisoning by consumption of foods containing excessive populations of organisms or preformed enterotoxin?
According to the given statement Bacillus cereus It is the cause of two different kinds of food poisoning.
What does the term "etiological agents" mean?Etiologic agents include those mentioned in 42 CFR 72.3 as well as any other agent that causes or may cause a severe, incapacitating, or deadly disease. Etiologic agents are living microorganisms or their toxins.
How many different etiological agent categories are there?The five classes of pathogenic organisms include viruses, bacteria, fungus, protozoa, and helminths (worms).
What are the modes of transmission for the etiologic agent?Direct touch, droplets, a vector like a mosquito, a vehicle like food, or the airborne route are all possible modes of transmission. The vulnerable host has several portals of entry such as the mouth or a syringe.
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What current goes through a 2070 W kettle connected to a 230 V mains supply?
The current that goes through a 2070 W kettle connected to a 230 V mains supply is 9A.
How to calculate current?Current is the time rate of flow of electric charge. It is measured in amperes (A).
Current of an electrical charge can be calculated using the following formula:
I = P/V
Where;
I = current (A)P = power (Watts)V = voltage (volts)According to this question, a 2070 W kettle is connected to a 230 V mains supply. The current is calculated as follows:
I = 2070 ÷ 230
I = 9A
Therefore, the current that goes through a 2070 W kettle connected to a 230 V mains supply is 9A.
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I don’t know why it’s blurry
Answer:
Develop a testable question based on research or prior knowledge
Explanation:
Scientific Method.
The primary anabolic hormone is: the primary anabolic hormone is:_____.
a) cortisol.
b) epinephrine.
c) glucagon.
d) insulin.
The primary anabolic hormone is: (d) insulin.
Anabolic hormone is the one that is involved in the formation of some specific substance inside the body. Thus can include repair of damaged tissues or growth of muscles as well. The examples of anabolic hormones are: insulin, growth hormones, testosterone, etc.
Insulin is the sugar regulatory hormone made up of polypeptide chains. It is called an anabolic hormone because it promotes the uptake of glucose by the cells in order to reduce the blood glucose levels. This promotes the formation of glucagon (a stored form of energy) that can result in increase muscle mass.
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Explain what happens at the particles level for a solid to melt. be sure to explain about energy and chemical bonds
The particles level for a solid to melt. The particles in the liquid are the same as in the solid but they have more energy.
Individual particles cannot escape the intermolecular interactions in a solid because their energy is insufficient to do so. Solidification is the process where a liquid turns into a solid. The melting point, or the temperature at which a pure substance begins to melt, is a property of that substance. A solid must expend energy to become a liquid. A specific quantity of energy is required by every pure substance in order to transform from a solid to a liquid. The symbol for this quantity, Hfus, stands for the substance's enthalpy of fusion. In "Enthalpies of Fusion for Various Substances," some Hfus values are provided; it is thought that these values correspond to the substance's melting point.To learn more about solid
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whats an organelle containing the digestive enzymes
Answer: Lysosomes
Explanation: Lysosomes break down excess cellular parts or damaged cellular parts.
The human population has changed in ways that are similar to other populations. How has the human population changed since it first appeared on earth?.
The population has generally increased at rates that have varied over time since it first appeared on earth,
This significantly altered after 1800: the world population was roughly 1 billion in 1800 and has expanded sevenfold since then. On our globe, around 108 billion humans have ever lived. This indicates that the current population accounts for 6.5% of all persons ever born.
The world population took hundreds of thousands of years to reach one billion, and then it increased sevenfold in just 200 years. In 2011, the world population surpassed 7 billion, and it is presently estimated to be about 7.6 billion. This rapid growth has been fueled mostly by an increase in the number of people of reproductive age, and has been accompanied by considerable changes in fertility rates, rising urbanization, and quicker migration. These trends will continue resulting in human population growth which are varied over time.
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Which activities occur during prophase II? Check all that apply.
DNA condenses to form chromosomes.
Each chromosome pairs up with its mate.
Spindle fibers form.
Chromosomes move to the opposite end of the cell.
The nuclear envelope disappears.
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The following events occur during prophase II.
DNA condenses to form chromosomes.Spindle fibers form.The nuclear envelope disappears.In both mitosis and meiosis, the prophase is the first phase of cell division. When the cell enters prophase, DNA replication has already started after interphase. The chromatin reticulum condenses and the nucleolus vanishes during prophase, which are the key events. The chromatin, a combination of DNA and proteins found in the nucleus, condenses during prophase. The development of discernible chromosomes is caused by the coiling and tightening of the chromatin. One well-organized piece of DNA makes up each chromosome. Prophase is the first and longest phase of mitosis. Chromatin gathers into chromosomes and the nuclear envelope, which is the membrane that encloses the nucleus, disintegrates during prophase.learn more about prophase here: https://brainly.com/question/12828200
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Answer:prophase II
Explanation:
of which macromolecule are membrane channel and pumps composed
Answer:
The macromolecules that forms pumps and channels in the cell membrane, allowing the entry and exit of molecules to the cell are protein.
Explanation:
Membrane integral proteins are a type of macromolecule attached to the structure of the membrane and have ends in contact with the cytoplasm and the extracellular medium.
These protein molecules can act as channels and transporters or pumps, to facilitate the passage of substances through the membrane. An example of transmembrane channels are ion channels, while a protein transporter is the sodium potassium ATP-ase pump.
Membrane proteins can also act as surface receptors and enzymes linked to the cell membrane.
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