The _________ begins to be destroyed at the metaphase of the cell cycle causing the chromosomes to begin to _________.
The cyclin begins to be destroyed at the metaphase of the cell cycle causing the chromosomes to begin to seperate.
which pair is correctly matched according to the rules of base pairing
A. A=T
B. T=G
C. A=C
Answer:
A. A=T
Explanation:
Adenine (A) always pairs with Thymine (T) and Guanine (G) always pairs with Cytosine (C).
Answer: A=T
Explanation: Chargaff's rule, also known as the complementary base pairing rule, states that DNA base pairs are always adenine with thymine (A-T)
In a mammalian visual system, visual information is integrated at ________.
Answer:
In a mammalian visual system, visual information is integrated at the lens
Explanation:
9. What is one thing that plants living in the ocean do not have to worry about?
Answer: The thing they don't have to worry about is not getting enough water, b/c they live in it!
Answer:
water
Explanation:
this is because they have adapted to absorb all the water and carbon dioxide they need from the water they live in.
The energy from organic food molecules is stored in ATP in the process of?
Answer:
ATP molecule Energy is stored in the bonds between the phosphate groups (PO4–) of the ATP molecule. When ATP is broken down into ADP (adenosine diphosphate) and inorganic phosphate, energy is released. When ADP and inorganic phosphate are joined to form ATP, energy is stored.
Explanation:
in your own words list Kepler's three laws of planetary motion
Answer:
1) Every planet's orbit is an ellipse with the sun at a focus.
2) A line joining the sun and a planet sweeps out equal areas in equal time(s)
3) The square of a planet's orbital period is proportional to the cube of semi major axis of it's orbit
Name the following molecular compounds: CO, N2O4, PCI3.
Answer:
CO = carbon monoxide
N2O4 = Dinitrogen tetroxide
PCl3 = Phosphorus trichloride
Why were there no coal deposits formed during the Precambrian time? Choose the correct answer. There were no swamps with land plants. There was not yet enough carbon on Earth. There was not enough land on which coal deposits could form. There was not enough carbon dioxide in Earthâs early atmosphere
There were no coal deposits formed during the Precambrian period because there wasn't enough carbon dioxide in Earth's early atmosphere.
What is the Precambrian?The Precambrian is a Super Aeon, corresponding to the time period from the formation of the Earth (~4.6 billion years – b.a.) to the beginning of the Cambrian Period (~542 million years – m.a.).
With this information, we can conclude that there were no coal deposits formed during the Precambrian period because there wasn't enough carbon dioxide in Earth's early atmosphere.
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Your body needs a constant supply of oxygen for cellular respiration to produce the ATP needed to fuel your body processes. When you exert yourself in a strenuous workout the oxygen demands of your muscle cells quickly outpace the oxygen your body can provide. Skeletal muscle cells that have an insufficient oxygen supply to allow aerobic respiration to continue will undergo lactic acid fermentation. Refer to the model above. Predict what changes will occur when your body shifts from aerobic respiration to anaerobic respiration (lactic acid fermentation). Select ALL that apply.
Answer:
When you exert yourself in a strenuous workout the oxygen demands of your muscle cells quickly outpace the oxygen your body can provide. Skeletal muscle cells that have an insufficient oxygen supply to allow aerobic respiration to continue will undergo lactic acid fermentation.When you exert yourself in a strenuous workout the oxygen demands of your muscle cells quickly outpace the oxygen your body can provide. Skeletal muscle cells that have an insufficient oxygen supply to allow aerobic respiration to continue will undergo lactic acid fermentation.
Explanation:
Natural selection requires there to be a variation of alleles in a population. What mechanism best describes how new alleles are formed in a population
Answer:
Natural selection does not create adaptions, mutations, or variations. Natural selection causes the extinction of individuals who are not well adapted to changes in the environment. Natural selection can also provide reproductive advantages for some individuals over other individuals.
The sum of the genetic traits in this population
called its ✓ gene pool
COMPLETE
In guinea pigs, fur length is controlled by one
gene. The Fallele generates long fur and the f
allele generates short fur. Because only one F
copy is needed to show the trait, if a guinea pig
has the FF or Ff allele combination, they will have
long fur. If they have the ff allele combination, they
will have short fur
There is a total of 4 y alleles in this populatio
There are
Falleles in the population,
There are
falleles in the population
Look at the data for a guinea pig population to
answer the following questions,
DONE
Guinea pig 1: Long fur (FF)
Guinea pig 2 Short fur (ff)
Guinea pig 3. Long fur (FF)
The fur length of the guinea pig will depend on the alleles present in the offspring, whether they are dominant or recessive.
What are dominant and recessive traits?Dominant traits are characters which are always expressed in an offspring wherever they occur.
Recessive traits on the other hand are expressed only if the dominant trait is absent in the offspring.
In the trait for fur length in guinea pig, there are two alleles for it.
F is for long fur and is dominant f is for short fur and is recessive.Thus, the possible combination of the two alles will be:
FF for long furFf for long fur andff for short furTherefore, the fur length of the guinea pig depends on the alleles present in th offspring, either dominant or recessive.
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which of the follow is an example of how groundwater interacts
with the geosphere?
O hot springs
O All of these are examples
Ostalactites/stalagmites
O gysers
Answer:
best answer is A
Explanation:
1. Decide if the following statements are True or False. If the statement is False, rewrite the statement to make it True.
a. Most cells are visible to the human eye without a microscope.
b. The cell carries out all functions for survival.
c. Prokaryotes are unique because they have no nucleus.
d. Eukaryotes are complex cell with organelles but with no nucleus.
e. Cells have cytoplasm.
f. Almost all living things are made of cells.
g. The cell membrane prevents some chemicals from entering the cell.
h. Plants need chloroplasts for photosynthesis.
i. Animal cells have a cell wall instead of a cell membrane.
j. In a cell, the breakdown of food molecules releases energy.
k. The cell passes waste materials from inside the cells to outside the cells.
l. Cells reproduce in orderly fashion according to the type of cells.
which parts of the flower are under more intensive selection for showiness (size, scent, color), the seed-producing part or the pollinator-producing parts
Answer:
The pollinator-producing parts.
Explanation:
Showiness, as described in the question, is based on size, scent, and color.
The pollinator-producing parts have certain scents, sizes, and colors to 'pop out' so they attract pollinators such as bees, so the flower can reproduce.
Drag the tiles to the correct boxes to complete the pairs.
Match the discovery to its significance.
accelerated expansion of the universe
Sagittarius A*
cosmic microwave background
Voyager 1
the first observed supermassive black hole in the Milky
Way
the first spacecraft to enter interstellar space
understanding the ultimate fate of the universe
observational confirmation of the Big Bang theory
Answer:
1. The first observed supermassive black hole in the milky way → Sagittarius A*.
2. The first spacecraft to enter interstellar space → Voyager 1.
3. Understanding the ultimate fate of the universe → Accelerated expansion of the universe.
4. Observational confirmation of the Big Bang theory → Cosmic microwave background.
Explanation:
Hope this helps :)
Answer:
See image
Explanation:
Plato/Edmentum
1. _______ behavior is inherited and programmed in the genetic code.
2. When a deer hears a sound in the forest, such as crackling footsteps, it immediately freezes and then bolts through the bushes. This is an example of the _______ response.
3. Mating rituals or displays can be very complex but are also _______ behaviors.
4. When animals fight and one wins and one submits, this allows for the establishment of a _______. This means that one animal (the winner) likely gets to reproduce and lead the group.
5. _______ behavior is used to intimidate other animals in social interactions. Examples include baring teeth or growling.
6. _______ behaviors rely on prior practice or experience.
7. When a dog is sleeping and does not react to the sound of a person walking around the house, that is most likely an example of ________.
8. A common type of learning that involves experimenting to get a reward is called _______.
9. _______ is the pattern of behavior that follows the day/night cycle.
10. Many bird species have seasonal behaviors that cause them to _______ or change their location.
11. Explain how territorial behavior helps an animal population survive.
Answer:
Innate
fight or flight
innate
hierarchy
Aggressive
Learned
habituation
trial and error
Circadian rhythm
migrate
When animals mark their territory they ensure that the mates and food in their area are not overwhelmed. Though territorial animals often fight, it is not to the death, and more to establish social order. This prevents them from over-eating their environment and helps the entire species stay in balance to survive.
Explanation:
Proper care for frostbite includes: OA Warming the frostbitten part under hot water OB. Warming the frostbitten part by massaging C. Warming the frostbitten part by heating with the radiant heater QD Warming the frostbitten part under lukewarm water
Answer:
D. Warming the frostbitten part under lukewarm water.
Explanation:
I just got this answer correct on the quiz
Which statement best describes how bacteria recycle matter in an ecosystem?.
What describe how bacteria recycle matter in an ecosystem is that Bacteria break down organic debris to recycle nutrients in the ecosystem.
What is Recycling?Recycling is the process where wastes are collected and are break down into smaller and new pieces by microorganisms such as bacteria to form new product that are effective,healthy and use ful to the ecosystem.
Therefore, What describe how bacteria recycle matter in an ecosystem is that Bacteria break down organic debris to recycle nutrients in the ecosystem.
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what is the answer to this question its biology
Answer:
The second one?
Explanation:
That's very complicated but from what I can tell it looks like it would be the second answer
Please help!!! Need the answerr
Answer:
C
Explanation:
Mined materials are used for different purposes
Mining is the process of removing valuable materials from the Earth's surface, including the oceans, hence option C is correct.
What is mining?Extraction of useful materials from the ground is known as mining. A few notable exceptions, a mineral is an inorganic substance found in nature that has a unique chemical composition, physical characteristics, or molecular structure.
Mined materials include coal, gemstones, and iron ore, to name a few. The raw substance used to make iron is called iron ore. Mining has existed since the primordial era.
In essence, it is the procedure used to extract valuable information from large amounts of data or data warehouses.
It is clear that the phrase itself is a little ambiguous. Coal or diamonds are the end product of the extraction process in the instance of mining for coal or diamonds.
Therefore, humans mine materials for different purpose.
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Instructions: (H.W. # 4) Bubble in correct answers and write responses to the constructed response questions. Base your answers to questions 1 and 2 on the information and diagram below and on your knowledge of biology. The diagram represents a cell. A B 1) Which structure is responsible for the passage of materials into and out of the cell? (1) A (3) C (2) B (4) D Support your answer to question (1) with a written response..
Answer:
Answer = A
Explanation:
The cell membrane separates the material
Extracellular and intracellular materials are separated by the cell membrane. Controls the flow of substances into and out of a cell and maintains the integrity of a cell. The cell membrane, or cell boundary, must provide access to all materials within a cell.
At the neuromuscular junction, the binding of acetylcholine to receptors on the muscle cell almost immediately causes __________.
Consumption of which prey makes the elf owl a tertiary consumer? select all that apply.
Consumption of the praying mantis prey makes the elf owl a tertiary consumer in a particular food web.
What is a consumer?In a food web, a consumer is a heterotrophic organism that needs to eat other organisms to survive.
Plants and algae are producers because they generate their own food to survive.
A tertiary consumer is located at the fourth trophic level in the food web (after secondary consumers).
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How does an activated receptor transfer information into the cell?.
Answer:
by altering the ligand-binding site of the receptor - by increased translation of the receptor - by decreased phosphorylation of the receptor - through a conformational change of the receptor...
Explanation:
In the dna isolation process, detergent was used to:.
In the DNA isolation process, detergent was used to:
--> facilitates homogenization. it allows the precipitate to form and stabilizes the DNA and it binds the negative ends of DNA.
Hope that helps!
How much money do you get for donating plasma the first time?.
Answer:
$50 for your first five donations.
The excretory structures of terrestrial arthropods are slender projections from the digestive tract that are attached at the junction of the midgut and hindgut. These are called:.
The excretory structures of terrestrial arthropods are slender projections from the digestive tract called malpighian tubules.
What are Malpighian tubules?The malpighian tubules are channels in the digestive system of the alimentary canals present in arthropod species.
The Malpighian tubules function to provide an excretory system and osmo-regulatory system to arthropods.
These slender tubules are fundamental for the survival of many species of insects (i.e., arthropods).
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Energy pyramids show the most available energy at the base and the least amount of energy at the top. What accounts for the difference in the energy levels in these two parts of the energy pyramid?
choices:
A. Some of the energy is destroyed
B. The energy is used by decomposers
C. The energy is continually recycled in the biosphere
D. With each succeeding level, most of the energy is used by the organisms for life processes and some of the energy is "lost" as heat
Answer:
D
Explanation:
the energy from the sun is gradually lost after each level increase because the organism before being eaten uses the energy to stay alive such as staying warm or running from predators
What is the difference between a scientific theories and a scientific laws?
A theories
Blaws
Cevidence
DAll of the above
The axon sends the messages
from the cell body to the
a
A. motor cortex
B. synaptic knob
C. limbic system