Answers
Answer:
The speed of the river decreases
Explanation:
As the river slows down, all the sediments mixed up in there have time to settle on the floor.
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Related Questions
Why is meiosis important in maintaining genetic diversity?
Question 6 options:
A Meiosis creates diversity by cutting each chromosome exactly in half.
B The two different chromosomes of the organism producing the sex cell (egg or sperm) are mixed up during crossover, creating a new combination of alleles.
C It creates sex cells (eggs or sperm) that have exactly the same alleles (version of a gene) as the parents.
D The chromosomes in meiosis are copied so they are exactly the same as the organism producing the gamete, except they have just one copy.
Answers
Answer:
We now know that meiosis is the process of chromosomal reduction which allows the production of haploid germ cells necessary for sexual reproduction. Meiosis is furthermore important for its role in enabling genetic diversity and facilitating the repair of genetic defects through recombination.
Explanation:
Brainliest please?
Meiosis is a specialized form of a cell division in which number of chromosomes is reduced to half. The reduction in chromosome number is achieved by one round of DNA replication and two rounds of chromosome segregation.
Meiosis produces genetic variation by the process of recombination.Recombination occurs when two molecules of DNA exchange pieces of their genetic material. The process of recombination occurs during the prophase stage of meiosis I. In meiosis, crossing over occurs between the non-sister chromatids in a homologous pair (one from each parent) of chromosomes.The correct answer is option B. The two different chromosomes of the organism producing the sex cell (egg or sperm) are mixed up during crossover, creating a new combination of alleles.
Other options-
A. Meiosis creates diversity by cutting each chromosome exactly in half - incorrect .In meiosis the chromosome number is reduced to half.
C. It creates sex cells (egg or sperm) that have exactly the same alleles (version of a gene) as the parents-incorrect. The sex cells produced are not genetically identical to the parent cell.
D. The chromosome in meiosis are copied so they are exactly the same as the organism producing the gamete, except they have just one copy-incorrect. In meiosis the chromosomes are not exactly copied.
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please help me with this question:)
Answers
Answer:
Energy
Explanation:
Active transport requires energy to move substances across a plasma membrane, often because the substances are moving from an area of lower concentration to an area of higher concentration or because of their large size. Two types of active transport are the sodium-potassium pump and vesicle transport.
If you count 60 colonies after generating a dilution factor of 10^-8 and plating 100 microliters, what is the starting concentration?
Answers
Answer:
CFU / ml = 600 x 10⁻⁸
Explanation:
Given:
Number of colonies = 60
Dilution factor = 10⁻⁸
Volume plated = 100 micro-liters = 0/1 ml
Find:
Starting concentration
Computation:
CFU / ml = [Number of colonies x Dilution factor] / Volume plated
CFU / ml = [60 x 10⁻⁸] / 0.1
CFU / ml = 600 x 10⁻⁸
Muscle fibers contain which of the following?
A.
Sarcolemma
B.
Sarcoplasm
C.
Multi-nuclei
D.
All of the above
Answers
Answer: D
Explanation: Muscles are made of sarcolemma (membrane), sarcoplasm(tissue), and they have multi nuclei inside of them.
10. True or false: During the light-independent reactions, ATP and NADPH are used to make glucose.
True
False
Answers
Answer:
true
Explanation:
i think not sure
How are aquifers connected to the water cycle?
Answers
Answer:
At a certain depth below the land surface, the spaces between the soil and rock particles can be totally filled with water, resulting in an aquifer from which groundwater can be pumped and used by people. Some of the precipitation that falls onto the land infiltrates into the ground to become groundwater.
Explanation:
is what i found on google.
hope this helps!
a constant net forced of 150 N is exerted to accelerate a cart from rest to velocity of 45 m/s in 8 seconds.what is the mass of the cart?
Answers
Answer:
The mass of the cart is 26.7 kg.
Explanation:
To find this answer use the formula for acceleration first to find how fast the object had to be acccelerating to gain a velocity of 45m/s in 8 seconds flat.
Here's the formula for acceleration:
a = V- V₀ ÷ T (Wher V = final velocity; V₀ = Initial velocity, and T = time)
Plug all known values into the equation and you get -
a = (45m/s - 0m/s) ÷ 8 , which works out to 5.625 m/s²
Once you have this value then you place it into the equation for finding an object's mass, and that formula is:
M = [tex]\frac{F}{a}[/tex] or M = [tex]\frac{150N}{5.625m/s^{2} }[/tex]
This works out to 26.6667 kg or approx. 26.7 kg if you are asked to round it to three significant figures.
How do adaptations help organisms survive in a predator/prey relationship?
Answers
Answer:
Prey animals develop adaptions to help them not get eaten. They develop defense mechanisms. The predators develop strategies to make themselves more affective in catching prey.
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What is biodiversity and why does it matter?
Answers
Answer:
The concept includes every species of bacteria, virus, plant, fungi, and animal, as well as the diversity of genetic material within each species. It also encompasses the diverse ecosystems the species make up and the ongoing evolutionary processes that keep them functioning and adapting.
Explanation:
Answer:
Biodiversity maintains the natural balance of ecosystems and every species has its niche. Species depend on each other in order to thrive from cockroaches to squirrel monkeys to pygmy elephants—and even the many of us who live in cities.
Explanation:
Hope this helped!
Which best defines matter?
A. Anything that takes up space and has mass
O B. Anything in the atmosphere
C. All the living things on the planet
O D. All solid objects that can be seen
Answers
Answer:
A. Anything that takes up space and has mass
Explanation:
Matter is often described as something that takes up space and has mass. Matter can be in the form of a solid, liquid, or gas, which eliminates all of the answer choices besides A.
Hope this helps :)
Patients generally report conscious awareness of posthypnotic suggestions. Please select the best answer from the choices provided T F
Answers
Answer:
false
Explanation:
edge 2020
Conscious awareness of posthypnotic suggestions is a false statement because it creates a subconscious.
What are posthypnotic suggestions?The directive was given to the subject during a hypnotic trance that must be carried out once the subject awakens.
A post-hypnotic suggestion is essentially a specific directive to be followed after the hypnotherapy session to the subconscious.
An illustration of this would be going to a hypnotist for help with weight reduction and having the suggestion made that every time you feel like a sweet sort of meal, you will feel like drinking some water instead" ingrained in your subconscious.
Therefore posthypnotic suggestions of having conscious awareness are false statements.
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Where are steroid receptors generally located and where do they bind the steroid hormone once it enters the cell:____________
A. They are located and bind the steroids in the middle of the cell membrane
B. They are located and bind the steroids in the cytoplasm
C. They are located and bind the steroids on the intracellular membrane surface
D. The receptors are located in the cytoplasm but they bind their ligands in the lysosomes.
Answers
Answer: B. They are located and bind the steroids in the cytoplasm
Explanation: Steroid hormones are a class of organic compounds, typically lipids. They bind to protein receptors in the cytoplasm or nucleus of the target cell and thus, their receptors are located inside target cells where they function as ligand-dependent transcription factors. This is to say that hormone-receptor complex formed on binding to DNA activates specific genes that increases production of proteins.
Which occurs during the light-dependent reactions of photosynthesis?
a.Light energy is absorbed and then converted into chemical energy in the form of ATP and NADPH.
c.Organic molecules, such as proteins, lipids, and nucleic acids, are produced.
d.None of the above
b.ATP and NADPH are used to make glucose
Answers
Answer:
In light-dependent reactions the energy from sunlight is absorbed by chlorophyll and converted into chemical energy in the form of electron carrier molecules
Explanation:
Like ATP and NADPH light energy is harnessed in Photosystems I and II both of which are present in the thylakoid membranes of chloroplasts
Why is it important that cells have a control system to regulate timing of cell division
Answers
Answer: cells must have a "control system" because without it cells would either divide too fast or cause tumors to grow (cancer) or divide too slow and not be able to perform their cellular functions.
Explanation:
In leopards, being shy (S) is dominant to being sassy (s), and being timely (T) is dominant to being tardy (t).
A female leopard that is
heterozygous for both the S and I trait mates with a male leopard that is also
heterozygous for both traits. Both the S and I traits assort independently from one another.
What is the probability that they will have an offspring that is sassy and timely?
Answers
The probability that the leopards will have an offspring that is sassy and timely is 3/16
This question involves two different genes. The allele for being shy (S) is dominant to the allele for being sassy (s) in the first gene while the allele for being timely (T) is dominant to being tardy (t).According to this question, A female leopard that is heterozygous for both the S and T traits i.e. SsTt mates with a male leopard that is also heterozygous for both traits i.e. SsTtThe two heterozygous leopards (SsTt) will produce the following gametes: ST, St, sT, and stUsing these gametes in a punnet square (see attached image), the following proportion of offsprings will be produced: S_T_ = shy, timely (9)S_tt = shy, tardy (3)ssT_ = sassy, timely (3)sstt = sassy, tardy (1)According to this question, the probability that the two leopards will have an offspring that is sassy and timely is 3/16.Learn more at: https://brainly.com/question/7320771
Scientists study salamanders and their ability to regenerate lost legs and tails. What additional information is essential for scientists to understand in order to apply this ability to humans who have lost limbs?
how quickly the body parts regenerate
how similar salamanders are to humans
which body parts are most often lost
which genes control regeneration
Answers
Answer:
The answer could be:
(/) which genes control regeneration
(/) how similar salamanders are to humans
(x) how quickly the body parts regenerate (salamanders' size and form does not equate to human beings)
(x) which body parts are most often lost (it was already given that it's legs and limbs)
Answer:
d
Explanation:
Cause i am the smartest
Which of the following base pair sequences could be produced in DNA replication?
AGTCAT
TCAGTA
AGTCUT
TCUGIA
AGTCAT
UCAGUA
AGTCAT
CTGACG
Answers
The base pair sequence that could be produced in DNA replication is AGTCAT, UCAGUA. The correct option is c.
What are DNA sequences?The DNA sequence is the sequence or pairing of DNA bases. RNA and DNA both are genetic materials and both are made up of nucleic acids made up of deoxyribose acid and iron is made up of ribonucleic acid.
DNA and RNA both contain four bases that are joined with hydrogen bond RNA contain uracil in the place of thymine and DNA contain timing all other bases are same.
The base pairs are complementary to each other: Thymine: Adenine and cytosine: guanine.
But in RNA, it is uracil with adenine. Guanine and cytosine are the same. So the adjacent base pairs will be:
AGTCAT
UCAGUA
Therefore, the correct option is c. AGTCAT, UCAGUA
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Answer the question - Why is it important for scientists and engineers to work together to solve problems?
Answers
Answer:
it is important for them to work together because they can come together with the results form each person and see which is right and which is wrong and learn for their mistakes
Explanation:
Using cases to reason—Scientists and engineers often have to solve problems that others have confronted before. When scientists and engineers work to solve a problem, they may write up their experience as a case study for others to learn from. They will even write up the case study if their solution did not work.
Describe the way convection works and how it might work within the earth? -geology question
Answers
Answer:
Magma in the Earth's mantle moves in convection currents. The hot core heats the material above it, causing it to rise toward the crust, where it cools. The heat comes from the intense pressure on the rock, combined with the energy released from natural radioactive decay of elements.
Explanation:
Is it possible for it to rain at 0° F? (not snow)
Answers
im pritty sure no but my friend says yes somthing called frezzing rain sooooo
semi-conservative replication
What is semi-conservative replication
Answers
Semi-conservative entails conserving one “older” parent piece of DNA and using it with a new complementary strand.
1. John observed bacteria at 100X under the oil immersion and then decided to go back to 40X
objective by raising the oil objective a little to avoid the damage to objective lens. Critique his
technique. (1 pt.)
Answers
Answer:
See the answer below
Explanation:
In the first instance, the 100X objective does not have any business touching the slide on the stage so that there would not be any reason to raise it a little in order to go back to a lower objective. At higher objectives, only the fine adjustment should be used to bring the object into focus so as to avoid the objective lens from touching the slide which can damage the objective and or break the slide on the stage.
For the X100 objective to be raised in order to avoid a damage to it, it means John allowed the objective to come too close to the slide in the first place. This should not have been so.
Which non renewable resource do you think should be decreased? How can it be done?
Which Renewable resource could be increased? How do you think it should be done?
Giving 40 points (please only answer the questions)
Answers
Answer: Wait so you dont need these anymore?
Explanation:
What conclusion can you draw if a sample a tourmaline scratches a sample of kyanite, but kyanite cannot scratch tourmaline?
Answers
The internal urethral sphincter is comprised of
Answers
Answer:
1) the internal urethral sphincter (IUS), which consists of smooth muscle and is continuous with the detrusor muscle and under involuntary control, and 2) the external urethral sphincter (EUS), which is made up of striated muscle and is under voluntary control.
Explanation:
Hope this helped!
What is the relationship between boiling point and pressure?
Answers
The boiling point of a liquid is the temperature at which its vapor pressure is equal to the pressure of the gas above it. The normal boiling point of a liquid is the temperature at which its vapor pressure is equal to one atmosphere. Microscopic view inside a bubble in boiling water.
how is atmospheric carbon in the form of CO2 converted into a molecule that is usable to all organisms?
Answers
Answer:
The carbon-dioxide exists in the atmosphere, and it is dissolved in the water.
Explanation:
With the process of photosynthesis, it becomes organic, and by breathing, the organic gas goes back to carbon-dioxide.
The assimilation of carbon is the process when the carbon-dioxide converts to organic carbon with the help of living organisms. This organic carbon is then used for energy.
How are rocks and air alike? A. People use them to build things. B. They are on the ocean floor. C. They are natural resources. D. People need them to live.
Answers
Answer:
i think its c
Explanation:
Answer: C.
Explanation: Natural resources are resources that exist without any actions of humankind. Basically materials or substances such as minerals, forests, water, and fertile land that occur in nature and can be used for economic gain. Rocks are a source of natural resources and so is air. If the answer is not correct, then it must be D.
5.
20. Given the following scenario, choose the best answer that explains
why it happens: The blue dye in the water traveled up the petals of the
white flower.
Answers
During _____ in plant cells, a cell plate forms
separating the parent cell into two daughter cells.
Answers
Answer:cytokinesis
Explanation: