Answer:
tydoysud8r6so5iaritskkys
Embryology is the study of the development of an , which is a fertilized egg attached to the wall of the mother's uterus.
I know I copied and pasted this but I’m time on a unit test!! Please help!
Answer: true
Explanation:
The insoluble fiber that provides the main structural component of plant cell walls is:________
Answer:
the answer is cellulose
How do the sporophyte stage and gametophyte stage make a cycle ?
The diploid zygote, which eventually becomes the sporophyte, is produced by the fusion of the male and female gametes. When a diploid sporophyte reaches maturity, it produces spores by meiosis, which then divide through mitosis to create the haploid gametophyte. The cycle is continued when a fresh gametophyte develops gametes.
What is Sporophyte and gametophyte stage ?The sporophyte symbolises the asexual phase of the plant life cycle, and the gametophyte the sexual phase. Gametophyte and sporophyte are fundamentally different from one another because gametophyte is a haploid and created through meiosis, whilst sporophyte is a diploid and formed through mitosis.
Ferns go through two distinct stages in their life cycle: sporophyte, which releases spores, and gametophyte, which releases gametes. Sporophyte plants are diploid, whereas gametophyte plants are haploid. Alternation of generations is the name given to this type of life cycle.Learn more about Plant life cycle here:
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why is it easier/ faster for our body to digest candy than pasta? candy contains disaccharides and thus contains more substrate and needs more enzyme to digest. pasta contains glycogen and thus contains more substrate and needs more enzyme to digest. candy contains monosaccharides and thus contains more substrate and needs more enzyme to digest. pasta contains starch and thus contains more substrate and needs more enzyme to digest.
Pasta contains starch and thus contains more substrate and needs more enzyme to digest.
What is starch ?A polymeric carbohydrate called starch, also known as amylum, is made up of a lot of glucose units connected by glycosidic linkages. The majority of green plants synthesize this polysaccharide as a form of energy storage. It is the most prevalent type of carbohydrate consumed by people worldwide and is present in significant proportions in common foods like wheat, potatoes, maize (corn), rice, and cassava (manioc).
Pure starch is a powder that is white, odorless, tasteless, and insoluble in alcohol or cold water. It is made up of the branching amylopectin and the linear and helical amylose molecules. Starch typically comprises 20 to 25% amylose and 75 to 80% amylopectin by weight, depending on the plant. Animals store their energy in glycogen, which is a more intricately branched form of amylopectin.
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what is the correct order of steps in a gram staining procedure? 1. iodine is added as a fixative or mordant. 2. the specimen is treated with a stain such as safranin or fuchsin (a pink stain). 3. the specimen is flushed with alcohol to dehydrate peptidoglycans and trap the stain. 4. the specimen is treated with a stain called crystal violet.
The correct order of steps in a gram staining procedure is:
(4) the specimen is treated with a stain called crystal violet.
(1) iodine is added as a fixative or mordant.
(3) the specimen is flushed with alcohol to dehydrate peptidoglycans and trap the stain.
(2) the specimen is treated with a stain such as safranin or fuchsin (a pink stain)
Gram staining is a common staining technique which helps to classify the bacteria into two categories: Gram positive and Gram negative. Gram positive bacteria appear violet in color and Gram negative bacteria appear to be pink. This color difference appears due to the difference in the bacterial cell walls.
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which sentence is an example of how a scientist might use a model?a microscope is used to magnify a group of cells on a slide.a microscope is used to magnify a group of cells on a slide.the end of a slinky is moved vertically up and down to simulate a wave.the end of a slinky is moved vertically up and down to simulate a wave.a wrench is used to tighten a nut onto a piece of wood.a wrench is used to tighten a nut onto a piece of wood.a stopwatch is used to time the rate of a chemical reaction.a stopwatch is used to time the rate of a chemical reaction.
Correct answer is B. The proper response is choice To create the illusion of a wave, the end of a slinky is moved vertically up and down to simulate a wave.
A scientific model is a visual representation of concepts or a reality that cannot be directly experienced. One cannot actually perceive the waves' motion. So, to illustrate the nature of waves, a scientist or somebody uses a slinky that is vertically raised and lowered.
What is the motion of waves?A disturbance that moves across the medium is called a wave motion. Simple harmonic motion is executed by the wave's particles around the mean location as it moves through the medium. Both kinetic and potential energy will be present in the medium's vibrating particles.
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If zebras and horses do not usually mate in nature, should people intentionally cross them? Why or why not?
Answer: yes they often do intentionally sometimes
Explanation:
to produce a new breed with new characters.
Compounds that contain hydrogen and oxygen are called organic.
true
false
Answer: False
Explanation: Organic compounds contain carbon and hydrogen (or other atoms). Carbon must be present in order to qualify as organic.
What is the answer to Modern Cell Theory states that
If somebody knows please tell me
(I'm in 6th grade and this is science)
The modern cell theory states that:
All living organisms (both plants and animals) are composed of one or more cells. The cell is the basic unit of structure and function in organisms. Cells arise from pre-existing cells.The credit for development of cell theory is usually given to two scientists: Theodor Schwann and Matthias Jakob Schleiden. They stated the first two postulates of cell theory a) living beings are composed of cells b) cell is the basic structural and functional unit of life. In 1855, Rudolf Virchow added the third postulate to cell theory. In Latin, this tenet states Omnis - cellula - e-cellula which means all cells come from previously existing cells.
Therefore, modern cell theory says that living beings are composed of cells, cell is the basic structural and functional unit of life and all cells come from previously existing cells.
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Which of these is a segment of DNA that contains the information necessary to produce a protein? A) a codon B) a gene C) a base D) a chromosome
Answer:
B. A gene
Explanation:
I hope it helps! Have a great day!
Please help!
Write the name of the r pyramid on the line above each pyramid. Then, below, explain the relationships among trophic levels that are shown by the pyramids.
The pyramids represents the hierarchical relationship between the different organisms at various trophic level represented in the form of ecological pyramids.
What do you mean by Ecological pyramids?Any of the progressively higher tiers in a food chain, where consumers are found at the primary, secondary, and tertiary levels and producers are at the bottom. Detritivores, commonly referred to as decomposers, are occasionally believed to have their own trophic level.
1.First Trophic Level: Autotrophs.
2. Second Trophic Level: Primary Consumers.
3. Third Trophic Level: Secondary Consumers.
4. Fourth Trophic Level: Tertiary Consumers.
5. Fifth Trophic Level: Quaternary Consumers
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Which of the combination of atoms or elements below represents Nucleic Acid.
A. C H O
B. C H O N
C. C H O N P
D. None of the above
By reviewing hiring information from the previous year, james is trying to predict how many additional employees he will need to hire for the holiday rush. Which step in the process of human resource planning is jim engaged in?.
By reviewing hiring information from the previous year, James is trying to predict how many additional employees he will need to hire for the holiday rush. James is engaged in the step of a. forecasting in the process of human resource planning.
It is through proper human resource planning that a company recognizes the number and quality of team members that are required for the better performance of a company.
A human resource employee, such as James, first takes into account the current capacity of hiring. Then he reviews previous hiring information of the holiday season to forecast how many employees need to be hired.
The forecast process helps the company to have the proper amount of workers needed during the holiday rush. After forecasting the required number of hires to be made, one can form an action plan and evaluate people for the hiring process.
Although a part of your question is missing, you might be referring to this question:
By reviewing hiring information from the previous year, James is trying to predict how many additional employees he will need to hire for the holiday rush. Which step in the process of human resource planning is James engaged in?
a. forecasting
b. evaluation
c. talent strategy
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Biologists sometimes use different models or systems to represent things they cannot study directly. True or false?.
True , biologist sometimes use different models to represent they cannot study directly.
What are scientific models explain why scientists create and use scientific models?A scientific model is a physical and/or mathematical and/or conceptual representation of a system of ideas, events or processes. Scientists seek to identify and understand patterns in our world by drawing on their scientific knowledge to offer explanations that enable the patterns to be predicted.
Models help us to understand the concepts for easily in 3D form. Scientist use models to investigate objects or processes that happen too slowly, too quickly.
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4. In our solar system, the constant "k" in Kepler's Third Law is equal to 1 if AU and Earth years are used. Suppose astronomers found a new planet, very close
to the Sun. If the average distance from the planet to the Sun were 1/4 AU, how long would the planet's period be?
O 1/32 of an Earth year
O 1/8 of an Earth year
1/4 of an Earth year
O 1/2 of an Earth year
5. Scientists discover two planets orbiting a distant star. The average distance from the star to Planet
If the average distance from the planets to the sun were 1/4 AU, how long would the planets period be 1/8 of an earth year. The average distance from the star to Planet A is 4 AU, and it takes 432 Earth days for Planet A to orbit the star.
According to Kepler's Third Law, as an orbiting planet's radius increases, so does the time of its orbit around the Sun. Thus, we learn that Mercury, the innermost planet, completes its orbit of the Sun in just 88 days. Despite the fact that Kepler had no knowledge of gravitation at the time he developed his three laws, Isaac Newton used them to derive his theory of universal gravitation, which explains the mysterious force behind Kepler's Third Law.Kepler and his theories played a critical role in improving our understanding of the dynamics of our solar system and served as a foundation for more recent models that more closely approximated the planetary orbits.To learn more about Kepler's Third Law.
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Which of the following describes a metabolic pathway that is likely to result in a net release of energy?
Answer:
The metabolic pathway that releases energy by breaking down complex molecules into simpler substances is known as catabolism.
Enzymes are proteins capable of recognizing and binding to very specific small molecules, such as glucose. Which level of protein structure most directly leads to this binding specificity?.
Enzymes are proteins capable of recognizing and binding to very specific small molecules, such as glucose. The tertiary structure of protein leads to this binding specificity. The correct answer is option(c).
The tertiary structure of the protein is what gives proteins their three-dimensional structure. The fact that a protein's outer functional groups are visible on the outside is because of its three-dimensional structure. A protein can interact with other molecules because of these functional groups.
The ability of proteins to acquire a very specific structure is attributed to the tertiary structure. The "active site" is the region of a protein that is unique to an enzyme and where a specific molecule can bind. Specific molecules that can only fit into a particularly active site are responsible for binding at the active site.
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The complete question is:
Enzymes are proteins capable of recognizing and binding to very specific small molecules, such as glucose. Which level of protein structure most directly leads to this binding specificity?
Primary
Secondary
Tertiary
What type of membrane protein binds a specific molecule, bringing about a change in shape of the protein, which causes a cellular response? insulin is a hormone that binds to this type of protein.
The type of membrane protein that binds a specific molecule, bringing about a change in the shape of the protein, which causes a cellular response is receptor protein.
In the field of science, receptor proteins can be described as proteins that bind to a specific molecule or ligand, so that a specific cellular response can be produced. The cell membrane has a variety of membrane proteins in order the functioning of the cell. Each receptor protein is specific for a particular ligand.
When a ligand binds to a specific site at a receptor, then certain conformational changes occur in the receptor proteins which causes the cell to produce a response. A receptor can have different 'ligand' binding sites' for different ligands.
The insulin receptors are made up of 2 α and 2 β subunits and they can be seen in the membrane of cells such as liver and muscle cells.
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How can a human survive if they are limited in carbohydrates but have sufficient lipids?
Humans can survive if they are limited in carbohydrates but have sufficient lipids because lipids can be broken down to obtain energy for cellular respiration in a process known as lipid catabolism.
What is lipid catabolism processing?Lipid catabolism processing is a complex chain of chemical reactions in which the fatty acids of lipids are oxidized to release energy, which is then used to synthesize ATP.
In conclusion, we can survive even in the absence of carbohydrates as a source of energy but consuming lipids because these last biomolecules can be biochemically degraded to obtain energy, a mechanism referred to as the catabolism of lipids.
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Performing+intervals+of+2+minutes+of+80%+(work+phase)+intensity+followed+by+2+minutes+of+40%+intensity+(recovery+phase)+primarily+target+which+metabolic+energy+system?
Performing intervals of 2 minutes of 80% work phase intensity followed by 2 minutes of 40% intensity recovery phase primarily target which metabolic energy system?
Glycolysis
HELP ASAP
why is the crust of earth located above the mantle?
Answer:
C.....the crust is less dense than the mantle
give 2-3 examples of fats.
Answer: Trans fat Saturated Fat And Unsaturated Fat
Explanation:
Answer:
Lipids
Fatty acids
Oils
i hope this helps you
Natural chemicals in the brain that produce effects similar to those of morphine and other opium-derived drugs are called.
Natural chemicals in the brain that produce effects similar to those of morphine and other opium-derived drugs are called endorphins.
Endorphins- When we experience pain or stress, our bodies create molecules called endorphins. They are also released during enjoyable activities including sex, eating, massages, and exercise. Endorphins aid in pain relief, stress reduction, and overall wellbeing.
Morphine- The morphinane alkaloid known as morphine is a very strong opiate analgesic and psychotropic medication. Morphine has a direct analgesic effect on the central nervous system (CNS), which makes it a strong drug of abuse with a high potential for tolerance and physical and psychological dependency that set up quickly.
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Help this assignment has to be done by today and what does this even go under?
Which of the following best predicts what biome will be present in an area?
A biome is a sizable region distinguished by its flora, fauna, soil, and climate. Temperature and precipitation will be present in biome in an area.
What is biome?A biome is a sizable region distinguished by its flora, fauna, soil, and climate.
Aquatic, grassland, forest, desert, and tundra biomes are the five main types, while some of these can be further broken down into more specialized groups.
Due to various elements, such as water and temperature change, which prevent other biomes from being more stable, the marine biome is the most stable. Since oceans don't have "seasons," there is always a supply of water, and temperature changes are often small.
Precipitation and temperature predicts the biome will be present in an area.
Therefore, A biome is a sizable region distinguished by its flora, fauna, soil, and climate. Temperature and precipitation will be present in biome in an area.
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You add a fluorescent antibody to a cell surface protein to a dish of cells. Looking at an individual cell under the microscope the entire surface of the cell is fluorescent. You then hit the cell with a brief pulse from a laser which bleaches out part of the fluorescence on the cell. Over time you notice that the entire surface of the cell becomes fluorescent again. What is the best explanation for this observation?.
You add a fluorescent antibody to a cell surface protein to a dish of cells. Looking at an individual cell under the microscope the entire surface of the cell is fluorescent. You then hit the cell with a brief pulse from a laser which bleaches out part of the fluorescence on the cell. Over time you notice that the entire surface of the cell becomes fluorescent again. The best explanation for this observation is that proteins from parts of the cell membrane that were not bleached with the laser diffuse into regions of the membrane that were bleached.
Cell surface proteins can be described as the proteins that allow a cell to interact with signaling molecules. Cell surface proteins are present embedded in the cell membrane.
Cell surface proteins have the ability to show either rotational movements or lateral movements. These movements allow these proteins to diffuse from one part of the cell membrane to another.
In the scenario above, the cell became fluorescent again after bleaching it out because the membrane proteins had diffused from the region that was not bleached to the region that was bleached. The fluorescent antibody acted as a tag in determining the movement of cell surface proteins.
Although a part of your question is missing, you might be referring to this question:
You add a fluorescent antibody to a cell surface protein to a dish of cells. Looking at an individual cell under the microscope the entire surface of the cell is fluorescent. You then hit the cell with a brief pulse from a laser which bleaches out part of the fluorescence on the cell. Over time you notice that the entire surface of the cell becomes fluorescent again. What is the best explanation for this observation?
1. Proteins from parts of the cell membrane that were not bleached with the laser diffuse into regions of the membrane that were bleached.
2. The fluorescent antibodies are taken up by diffusion.
3. New fluorescent proteins are made by the cell.
4. The antibodies fall off of the proteins in the cell.
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Which statement best describes the relationship between photosynthesis and cellular respiration? O Photosynthesis removes carbon from the atmosphere, and cellular respiration releases carbon back into the atmosphere. © Photosynthesis is part of the carbon cycle, and cellular respiration is not. O Only plants perform photosynthesis, and only animals perform cellular respiration. 0 )Photosynthesis releases carbon into the atmosphere, and cellular respiration removes carbon from the atmosphere
The relationship between photosynthesis and cellular respiration is photosynthesis removes carbon from the atmosphere, and cellular respiration releases carbon back into the atmosphere.
The Photosynthesis is the process by which green plants and certain organisms convert light energy into chemical energy. During this process in green plants, the light energy is captured and it is used to convert water, carbon dioxide, and minerals into oxygen and energy-rich organic compounds.
Cellular respiration occurs in the mitochondria of plants, it is the process which breaks down sugar in the presence of oxygen to release energy in the form of ATP. This process also releases carbon dioxide and water as waste products.
Thereby, photosynthesis removes carbon from the atmosphere, and cellular respiration releases carbon back into the atmosphere.
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In our solar system alone, eight known planets orbit around our sun. knowing this, approximately how many planets orbit other stars within the milky way galaxy?
3,800 planets orbit other stars within the Milky Way galaxy.
Astronomers have verified the presence of roughly 3,800 planets circling stars other than the Sun as of July 2018. The eight planets of our Solar System; Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune, are the most well-known planets in our Milky Way. Pluto, Eris, Makemake, Haumea, and Ceres are also dwarf planets. Exoplanets are planets that are not in our Solar System but are situated in the Milky Way.
Our solar system is only one type of planetary system—a star with planets around it. Although our planetary system is the only one officially designated as a "solar system," scientists have identified more than 3,200 additional stars in our galaxy with planets around them. Hence, 3800 planets have been discovered so far.
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in a genetics experiment on peas, one sample of offspring contained green peas and yellow peas. based on those results, estimate the probability of getting an offspring pea that is green. is the result reasonably close to the value of that was expected?
There is a 0.733 percent chance of having green pea offspring.
The probability is somewhat near to the predicted value of 3/4, hence the answer is yes (0.750)
The probability of an event can be calculated using the formula
P = Favorable Outcome / Sample space.
Let A represent the occurrence of producing green peas, B represent yellow peas, and N represent the total amount of peas.
350 green peas make up one offspring.
There are 127 yellow peas in one offspring.
There are 477 peas in all.
Therefore, in the genetic experiment, event A occurs 350 times, while event B occurs 127 times.
Now, P = the proportion of green peas to all peas gives the likelihood of having green children.
p = n(A)/N
p = 350/477
p = 0.733
So, YES, the likelihood is almost equal to 3/4. ( 0.750 )
There is a 0.733 percent chance of producing a green pea offspring.
The likelihood is somewhat near to the predicted value of 3/4, hence the answer is yes (0.750)
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A car advertisement states that a certain car can accelerate from rest to 70 km/h in 7 seconds. Find the cars average acceleration
Answer:10 kmh
Explanation: it made it to 70 kmh in 7 seconds so 7x10 is 70 so 10kmh
or 2.7778 m/s