Answer:
The result of mitosis is two identical daughter cells, genetically identical to the original cell, all having 2N chromosomes. ... A chromatid, then, is a single chromosomal DNA molecule.
Answer:
statements??
Explanation:
The different forms matter can take are referred to as states or countries.
Answer:
Three States of Matter
Learning Objective
Describe the three states of matter
Key Points
Matter can exist in one of three main states: solid, liquid, or gas
The states of matterThis diagram shows the nomenclature for the different phase transitions.
Solids
A solid’s particles are packed closely together. The forces between the particles are strong enough that the particles cannot move freely; they can only vibrate. As a result, a solid has a stable, definite shape and a definite volume. Solids can only change shape under force, as when broken or cut.
In crystalline solids, particles are packed in a regularly ordered, repeating pattern. There are many different crystal structures, and the same substance can have more than one structure. For example, iron has a body-centered cubic structure at temperatures below 912 °C and a face-centered cubic structure between 912 and 1394 °C. Ice has fifteen known crystal structures, each of which exists at a different temperature and pressure.
A solid can transform into a liquid through melting, and a liquid can transform into a solid through freezing. A solid can also change directly into a gas through a process called sublimation.
Liquids
A liquid is a fluid that conforms to the shape of its container but that retains a nearly constant volume independent of pressure. The volume is definite (does not change) if the temperature and pressure are constant. When a solid is heated above its melting point, it becomes liquid because the pressure is higher than the triple point of the substance. Intermolecular (or interatomic or interionic) forces are still important, but the molecules have enough energy to move around, which makes the structure mobile. This means that a liquid is not definite in shape but rather conforms to the shape of its container. Its volume is usually greater than that of its corresponding solid (water is a well-known exception to this rule). The highest temperature at which a particular liquid can exist is called its critical temperature.
A liquid can be converted to a gas through heating at constant pressure to the substance’s boiling point or through reduction of pressure at constant temperature. This process of a liquid changing to a gas is called evaporation.
Gases
Gas molecules have either very weak bonds or no bonds at all, so they can move freely and quickly. Because of this, not only will a gas conform to the shape of its container, it will also expand to completely fill the container. Gas molecules have enough kinetic energy that the effect of intermolecular forces is small (or zero, for an ideal gas), and they are spaced very far apart from each other; the typical distance between neighboring molecules is much greater than the size of the molecules themselves.
A gas at a temperature below its critical temperature can also be called a vapor. A vapor can be liquefied through compression without cooling. It can also exist in equilibrium with a liquid (or solid), in which case the gas pressure equals the vapor pressure of the liquid (or solid).
A supercritical fluid (SCF) is a gas whose temperature and pressure are greater than the critical temperature and critical pressure. In this state, the distinction between liquid and gas disappears. A supercritical fluid has the physical properties of a gas, but its high density lends it the properties of a solvent in some cases. This can be useful in several applications. For example, supercritical carbon dioxide is used to extract caffeine in the manufacturing of decaffeinated coffee.
Phase Changes –What does a phase change look like at the molecular level? This video takes a look at the molecular structure of solids, liquids, and gases and examines how the kinetic energy of the particles changes. The video also discusses melting, vaporization, condensation, and freezing.
Explanation:pa brainliest answer po
what are the 4 macromolecules found in a cell that you can get from food?
when the lac repressor protein binds to lactose, why does it fall off its binding site at the operator?
Answer:
English is not my native language so sry if there's any grammaticaly mistake
Explanation:
cuz it changes its shape and forme u got that?!
Lactose falls off its binding site at the operator because the allolactose binds to the repressor causing it to fall off the operator side.
What do you mean by Lac repressor?Lac repressor prevents the transcription of genes involved in lactose utilization in E. coli, such as lac genes.
When lactose becomes available a small amount of it is taken up by lactose permease and converted to allolactose by the enzyme beta-galactosidase.
Therefore, Lactose falls off its binding site at the operator because the allolactose binds to the repressor causing it to fall off the operator side.
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which statement correctly distinguishes DNA and RNA?
Tucker and Micayla are conducting an experiment about cellular respiration. The purpose of their experiment is to find out if plant cells utilize celluid!
respiration in addition to photosynthesis. They begin by filling one test tube with glass beads, one with dried (non-germinating) peas, and one with
peas that have been soaked and have begun to germinate
Glass beads Dry peas Germinating peas
growth and reproduction pipettes carbon dioxide
eat
make
oxygen
Look at the diagram. A product of cellular respiration is
A reactanto cellular respiration is
energy for
The differences that plants first
respiration, whereas animals must
which can escape from the test tubes through the
which will be used up. Plants, like animals, need
food that later undergoes cellular
food
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Cellular respiration is commonly described as a metabolic pathway that reduces glucose and produces ATP. The answers are in the bullet point below:
The test group will undergo cellular respiration is the germinating peas. This is because they have been placed in an environment/conditions aid or start to grow. This implies hat they are the only test group that can under cellular respiration. They ATP for their growth. A product of cellular respiration is carbon dioxide, which can escape from the test tubes throw the pipettes. A reactant of cellular respiration is oxygen, which will be used up. Plants, like animals, need energy for growth and reproduction. The difference is the plants first make, food, then undergo cellular respiration, whereas animals must eat, food, then undergo cellular respiration to make the energy from food available.In Cellular respiration process, organisms utilizes the oxygen so as to break down food molecules and in turn produce chemical energy for cell functions.
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Tucker and Micayla are conducting an experiment with cellular respiration. The purpose of their experiment is to find out if plant cells utilize cellular respiration in addition to photosynthesis. They begin by filing one test tube with glass beads, one with dried (non-germinating) peas, and one with peas that have been soaked and have begun to germinate. Look at the diagram. Predict which test group will undergo cellular respiration and explain why.
product of cellular respiration is __________, which can escape from the test tubes throw the ________. A reactant of cellular respiration is ________, which will be used up. Plants, like animals, need energy for ______. The difference is the plants first ________, food, then undergo cellular respiration, whereas animals must _______, food, then undergo cellular respiration to make the energy from food available.
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2. Which is the best summary of the selection?
A.
B.
Leaves are something to be thankful for because they produce carbohydrates.
Leaves conduct photosynthesis, which converts energy from the Sun into chemical energy
that is useful and important to humans.
Photosynthesis is a vital part of the food chain.
Radiant energy is the most important part of photosynthesis. It is energy from the Sun,
which leaves are thankful for.
C.
D.
Explanation:
.
Leaves conduct photosynthesis, which converts energy from the Sun into chemical energy
many protists can move. what are some structures mentioned that can help protists move.
Answer:
cilli and flagella
Explanation:
I think there is one more but not sure hope this helped
(also if spelling is weird sorry I tried)
What is the role of density changes in a convection cycle
Answer:
Explantion
Convection is heat transfer due to a density differential within a fluid. As water's temperature increases in the presence of a heat source, it will become less dense and rise. As it moves up and away from the heat source, it cools and becomes more dense and sinks. ... Air from above the ocean is colder and more dens
Convection is the transfer of heat caused by a density difference within a fluid. Water becomes less dense and rises as its temperature rises in the presence of a heat source.
What is convection?Convection is a method of moving heat that is also known as a heat transfer mechanism. When a fluid, such as air or water, is in motion, heat is transferred. Temperature differences across the fluid drive convection.
Differential heating causes convection currents. Warmer (less dense) material rises, while cooler (more dense) material sinks.
This movement is responsible for the formation of circulation patterns known as convection currents in the Earth's atmosphere, water, and mantle.
Convection is the heat transfer resulting from variations in density within a fluid. In the presence of a heat source, water becomes less dense and rises in density.
Thus, this is the role of density changes in a convection cycle.
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what is phototropic?
what parts of a cell are most likely involved with inherited traits?
Chromosomes are most likely involved with inherited traits.
What are Chromosomes?A chromosome is defined as the long DNA molecule which contains part or all of an organism's genetic material. Most chromosomes consist of very long thin DNA fibers coated with packaging proteins where the most important of these proteins in eukaryotic cells are histones.
These structures are found in the nucleus of cells which contain long pieces of DNA. DNA is the material that holds genes and is the building block of the human body.
Chromosomes also contain proteins which help the DNA stay in the proper shape.
Thus, Chromosomes are most likely involved with inherited traits.
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Which choice has prokaryotic cells?
human blood
cow's liver
onion root
E. coli
Answer:
E coli.
Explanation:
E coli is a prokaryotic organism, meaning it is comprised of only one cell.
The picture above shows a microscopic view of an animal cell. Which of the following is an observation that can be made about the cell?
A.
The DNA in the cell codes for blue eyes.
B.
The cell is made up of several organelles.
C.
The cell is larger than the cell of a plant.
D.
The cell was taken from the liver of a cat.
Answer:
Awnser
Explanation:
The Awnser is C _________________
Glucose and oxygen make what?
How was Earths climate changed over time?
Answer:
Explanation:
These changes have been triggered by the changing configuration of continents and oceans, changes in the Sun's intensity, variations in the orbit of Earth, and volcanic eruptions.
Which sentence best explains how a positive feedback loop affects climate
change?
A. As the number of plants increases, the amount of CO2 decreases.
B. High clouds have a high albedo and reflect solar energy back into
space.
C. As climate warms, CO2 increases because plants remove less of
it.
D. High precipitation results in increased plant growth, lowering CO2.
A positive feedback loop that affects climate is change as the number of plants increases, the amount of CO2 decreases.
The more trees the less CO2?Scientists agree that one of the most effective ways to absorb part of the CO2 from the atmosphere would be to plant more trees, as they use CO2 to grow and release oxygen, this action brings benefits to the entire environment.
With this information, we can conclude that A positive feedback loop that affects climate is change as the number of plants increases, the amount of CO2 decreases.
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What type of shock occurs when bacterial toxins trigger vasodilation and increase capillary permeability
Septic shock occurs when bacterial toxins trigger vasodilation and increase capillary permeability.
Vasodilation occurs during inflammatory processes thereby leading to an increase in blood flow. Septic shock cause the release of numerous vasodilatory chemicals thereby leading to lethal hypotension.
Septic shock is caused by changes in hemodynamic profile as a result of endothelial dysfunction with increased capillary permeability thereby leading to hypotension.
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What math is the slope intercept form from.
It's from optional maths
Which star is more massive than our Sun,but has a lower surface temperature?
(1) 40 Eridani B (3) Aldebaran
(2) Barnard's Star (4) Sirius
Answer:
The answer is not in the option, the answer is VY Canis Majoris
The tiny bones of the middle ear are collectively known as the A. otoliths. B. scala media. C. ossicles. D. stapes.
Answer:
C. Ossicles
Explanation:
Answer:
The tiny bones of the middle ear are collectively known as the ossicles.
Explanation:
The ossicles (the three tiny bones in the middle ear) are responsible for amplifying sound vibrations from the eardrum.
explain how the skin on the human body functions similarly to the cell membrane of a cell.
Answer:
The skin surrounds the entire body just as the cell membrane surrounds the entire cell. Both the skin and the cell membrane are semi-permeable, meaning that they only allow specific substances to enter or exit the body.
ln humans, red green color blindness is a sex-linked recessive trait. If a man and a woman produce a color blind son, which of the following must be true?
a. The father is color blind.
b. Both parents carry the allele for color blindness.
c. Neither parent carries the allele for color blindness.
d. The father carries the allele for color blindness.
e. The mother carries the allele for color blindness.
If a man and a woman produce a color blind son then both parents carry
the allele for color blindness.
A trait could either be:
DominantRecessiveWhat is a Recessive trait?A recessive trait is usually expressed when there is the presence of two
recessive alleles in an individual or organism. A dominant trait on the other
hand can be expressed with the organism having only one dominant allele
In this scenario, the red green color is a recessive trait
and the offspring produced is color blind which basically means that both
parents carry the allele for color blindness.
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where would the majority of the dna be located within a eukaryotic cell?
Answer:
cell nucleus
In eukaryotic cells, most DNA is located in the cell nucleus (though some DNA is also contained in other organelles, such as in the mitochondria and the chloroplast in plants). Nuclear DNA is organized into linear molecules called chromosomes.
Explanation:
is these correct? ....
Answer:
The first one is correct
Explanation:
__________ encompasses any unwanted or nonconsensual sexual contact.
Answer:
sexual assault
Explanation:
whats the difference between starch paste and starch milk(long ish answer pls)
Answer:
Starch Paste is basically a mixture of cellulosic materials added by wheat starch and rice. Starch Milk is just milk with starch in it.
Explanation:
Hope this helps!
Starch paste and starch milk are different in their constituents as starch paste contains a mixture of cellulose which is added to rice or wheat whereas starch milk is just raw starch with fibers in it.
What are starch paste and starch milk?Starch paste is a water-soluble adhesive which is primarily used to bond the sheets of paper. It is widely used in paper industry. It is made from the starch of the grains, potatoes, or other plants that are easily available. Before hardening of this paste, starch paste is a highly viscous, gel-like mixture with high moisture content. The starch paste based adhesives adhere well to the cellulosic materials hence used widely in industries.
The waste product formed from the mashed potatoes smuggling with water i.e., the dewatered potato pulp is known as the starch milk. Starch milk is contaminated by small fiber particles such as potato fragments and all the remaining components of potato juice. The starch milk is therefore also known as the raw starch milk.
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What is meant by a biological system
Biological System - A biological system is a group of entities or organs that interact to complete a task. It's a biological unit that makes up a body or an organism.
Hope this helps!!
What are the three types of posttranscriptional processing? select the three types.
Answer:
5' capping, addition of the poly- A tail, and splicing.
Explanation:
I got it right on the test!! I hope this helps.
how population growth rate, generation time and carrying capacity affect the population growth of each species over the short term (30-50 generations) and long term (100 generations)
Where does energy go in respiration
Answer:
Summary. Through the process of cellular respiration, the energy in food is converted into energy that can be used by the body's cells. During cellular respiration, glucose and oxygen are converted into carbon dioxide and water, and the energy is transferred to ATP.
which set of details correctly identifies a series of events in a sympathetic pathway?
Answer:
Thoracolumbar origin, short preganglionic fiber, ACh release at ganglion, long postganglionic fiber, NE release at effector