Biology College

10 points! Choose the right answer

Answers

Answer 1

Answer:

The right ans is option A ...It helps in the tranfer of minerals from the soil to plant

Related Questions

which of these describes the gulf stream

Answers

Answer:

The Gulf Stream is formed from the convergence of the North Atlantic Equatorial Current bringing tropical water from the east, and the Florida Current that brings warm water from the Gulf of Mexico . The Gulf Stream takes this warm water and transports it northwards along the U.S. east coast . As a western boundary current

How can inheritance of traits affect a crop’s ability to survive disease?

Answers

less genetic variation in the inheritance of traits causes a crops ability to be more prone to disease because there are less alleles immune to disease in the genetic pool

how many half-lives have lapsed to yield a sample with 125 atoms of C-14 and 375 atoms of N-14

Answers

2 half-lives have elapsed to yield 125 atom of the original sample

Half of the amount of the radioisotope present at any given time will undergo spontaneous disintegration during the succeeding 5730 years. In other words , after 5730 years ,only half of the original amount of 14 c remains in a sample of organic material . Imagine that you start out with 100 grams of carbon 14 . The half -life is the time it takes for half of given amount of isotope to decay .

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What do you think are the biggest advantages & disadvantages regarding the kind of technology we have access to in the early 21st century?

Answers

Answer:

one among the biggest advantage of technology is increasing and improvement of living standard of peopleand the biggest disadvantage of technology is unemployment because machines replaced human labor

Describe a trophic cascade (at
least three organisms long)
that would occur if the orca
whale population were to decrease

Answers

Answer:

escribe a trophic cascade (at

least three organisms long)

that would occur if the orca

whale population were to decrease

Explanation:

Select the correct location on the image.
Students are having a group discussion and notice that Maria has not had a chance to introduce her thoughts.
Which student response best draws Maria into the discussion?
Is Maria even
paying attention?
Maria, what do
you think?
Don't you
agree, Maria?
Alright, Maria, will
you settle this
argument?

Answers

Is Maria even paying attention? is the student response which best draws Maria into the discussion.

What is Discussion?

This is defined as the process of talking with people about a particular subject or topic.

Is Maria even paying attention? will make her alert and more involved so as to know what is being talked about.

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Answer:

Maria What do You think

Explanation:

The Least rude Way Of saying it

All of the following show the probability of rolling an odd number on a 6-sided number cube except which of the following? A. 75% B. 3/6 C. 1/2 D. 50%

Answers

it would be answer b 3/6

Which of the following best explains how monkey is able to exchange gases with its environment and deliver oxygen throughout its body?

Answers

The ability of a monkey to be able to exchange gases with its environment and deliver oxygen throughout its body is through the activities of the respiratory system.

What is respiratory system?

The respiratory system is defined as one of the body systems that are made up of a network of tissues and organs that aid in the exchange of carbon dioxide and oxygen.

The oxygen passes from the environment into the nostrils. It is then conveyed by the trachea to the bronchi and arrives at the alveoli where the oxygen is delivered to the body cells.

Therefore, the ability of a monkey to be able to exchange gases with its environment and deliver oxygen throughout its body is through the activities of the respiratory system.

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Sebastian wants to make ball-and-stick models of the four macromolecules. He has colored balls for each of the elements in these molecules, including the following.

red: hydrogen
black: carbon
purple: oxygen
green: nitrogen

Which molecule could he make that consists of long chains of red and black colored balls?
carbohydrates
lipids
nucleic acids
proteins

Answers

Macromolecules are defined as large molecules like lipids, proteins, and carbohydrates.

In the given data, the red colour denotes hydrogen and black denotes carbon. The molecule that needs the majority of red and black color is carbohydrates. Thus, option "A" is correct.

What are Carbohydrates?

Carbohydrates can be explained as:

Carbohydrates are the macromolecules, generally referred to as sugar. Carbohydrates are the primary nutrients of the diet along with proteins and fats.

Carbohydrate is a biomolecule that is made up of carbon, hydrogen, and oxygen atoms. The monomeric units of carbohydrates are monosaccharides.

Thus, the correct answer is Option A.

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Identify the stages of the water cycle where water moves downward from the force of gravity.

Answers

Answer:

we have six stages of water cycle

Otters spend most of their time in the water. Over time otters have developed a coat with soft underfur to trap warm air near their skin and an outer layer of longer hair that keeps them dry underwater. Which of the following describes how otters developed this type of fur coat?

The otters adapted gradually over many generations.
The otters adapted gradually over many generations.

Cold weather triggers the underfur to grow each winter.
Cold weather triggers the underfur to grow each winter.

The otters mated with other aquatic mammal species having thick fur.
The otters mated with other aquatic mammal species having thick fur.

The significant amount of time otters spend grooming their fur encouraged this trait.
The significant amount of time otters spend grooming their fur encouraged this trait.

Answers

Answer:

Cold weather triggers the underfur to grow each winter.

Explanation:

this is because they would freeze in the cold water in the winter.

another name for the cell, or plasma, membrane

Answers

Another name for the cell membrane or plasma membrane can be Plasmalemma (it is uncommon).

What is the plasma membrane?

The plasma membrane is a physical barrier that separates the cell from its surrounding environment.

This barrier (plasma membrane) is fundamental to maintain the internal homeostasis state of the cell.

In conclusion, another name for the cell membrane or plasma membrane can be Plasmalemma (it is uncommon).

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You are provided with three liquids - Water, honey and oil. On pouring the three liquids simultaneously without disturbing. What will be the arrangement of these liquids from top to bottom and why? Conduct this experiment at home and paste the picture of it with proper labeling

Answers

Answer:

Honey would be on the bottom, water in the middle, and oil on the top.

Explanation:

Honey is on the bottom because it has a is greater density than water, and oil is on the top because it has less density than water.

It all depends on the viscosity of the materials. Honey on the bottom, oil floating on top and in the middle is water.

What kind of liquids float on water ?

The liquids which are in lesser weight just floats over the surface of water.

In the attached image it can be seen clearly that the denser of all is honey which has the property of viscosity as well and it just settles down on the surface whereas the lighter of all is the oil which is seen floating on the surface.

Oil and Water is usually the most common type of example of the two types of immiscible liquids. In this no matter what quantity you mix the oil and water in that they do not mix up . The reason why this happens is as of the basic chemical nature of the oil and the water molecules.

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You are taking conductivity and salinity measurement in an estuary every half hour over a tidal cycle. Explain what a graph over time would look like for an upper estuary site where farmers use the water for irrigation and a lower estuary site where there is a bream and flathead fishing industry.

Answers

A graph over time of salinity and conductivity at an upper estuary site will be less inclined than that at a lower estuary site.

What are salinity and conductivity measurements?

Salinity is a measure of the salt content of a water body.

Conductivity is a measure of the electrical conductivity of a solution or substance.

Conductivity increases with increase in salinity.

An estuary is a region where salt water from the sea meet freshwater from a river or stream.

At an upper estuary site where farmers use the water for irrigation, there will be decreased salinity and conductivity with time, while at a lower estuary site where there is a bream and flathead fishing industry, their will be increased salinity and conductivity with time.

Therefore, a graph over time of salinity and conductivity at an upper estuary site will be less inclined than that at a lower estuary site.

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Which of the following is the most important reason that a scientist should
replicate his or her experiments?
OA. To make sure that differences in the data are caused by real
differences and not by error
OB. To make sure that other scientists do not have to waste time
replicating this scientist's experiments
C. To practice the experimental procedures until the scientist is an
expert at performing them
D. To prove the scientist's hypothesis

Answers

Answer:

D. the only method of scientific investigation is in essence demonstrating the hypothesis is valid through repeated and more vigorous investigation using sound experimental techniques to produce the same or very similar results, ideally obtained from larger scale longitudinal studies, increasing sampling size and scale to lend greater and greater quality data on any query

. Which describes the function of the cell cycle in such single-celled organisms?
reproduction
repair
growth
protection

Answers

A. Reproduction. Single celled organisms make copies of themselves through mitosis which describes the function of the cell cycle

• which of the following is required for the sodium-potassium ions into an animal cell?

Answers

Answer:

Energy from ATP

Explanation:

ATP, or adenosine triphosphate, is a chemical that transports energy within cells. It is the cell's primary source of energy, and it is produced via photophosphorylation (adding a phosphate group to a molecule using light energy), cellular respiration, and fermentation. ATP is used by all living organisms. It is employed in signal transduction pathways for cell communication and is integrated into deoxyribonucleic acid (DNA) during DNA synthesis, in addition to being an energy source.

What is meant by solar energy?

Answers

Answer: Solar energy is the radiation from the Sun capable of producing heat, causing chemical reactions, or generating electricity.

Explanation:

Answer:

Renewable energy produced by the sun. It is carbon neutral but unreliable.

which phrese does not describe oceans near the equator

Answers

Low lightning does not describe oceans near the equator. thus option D is correct..Low tempretare, low salinty and low density are the other options which are not mention in question.

Which oceans are near the equator?

The Pacific, Atlantic, and Indian Oceans are all located along the equator.

Low lighting does not describe oceans near the water because they receive maximum sunlight in the daytime. As a result, the equator experiences significantly stronger sunshine than the north and south poles, which warms the water there.Low tempretare, low salinty and low density are phrase describe ocean near the equator.

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Organelles wear out just like the parts to a machine. The cell is always repairing old organelles or completely breaking them down and replacing them with new ones. Imagine that a mitochondrion is old and worn out. What organelle(s) could be responsible for "disposing" of it?

Answers

The organelle that is responsible for removing worn out cells are the lysosomes.

What are lysosomes?

Lysosomes are the organelles found within a cell that contains digestive enzymes called the lysozyme which are used to digest old and worn out mitochondria and wastes from the cell.

Therefore, the organelle that is responsible for removing old and worn out mitochondria are the lysosomes.

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What is the relationship between population and demand for resources?
equal
There is no relationship.
inversely proportional
directly proportional

Answers

Answer: (directly proportional)

the reason is the because the meaning of directly proportional is one increasing & decreasing at different rates. when a population takes resources the population grows but the resources sink but not in the same rate unless it would be inversely proportional if the population was increasing and decreasing at the same exact time as the resources

How dose the cell wall protect a plant cell?

Answers

Answer:

It provides support and maintains the cells shape.

Explanation:

Thad rolls his bowling ball down the lane with a
force of 63 Newtons. If his ball has a mass of 7 kg,
what is the resulting acceleration of the ball?
35.

Answers

The acceleration of the ball is, 9m/s.

How, explain your answer briefly?

Given data:

The mass of the bowling ball is, m = 7 kg.

The magnitude of force offered by ball is, F = 63 N.

The above problem is based on the Newton's second law of motion. According to the Newton's Second law of motion, the applied force is equal to the product of mass and acceleration of the body.

So,

F = ma

Solving as,

a = F/m

a = 63/7

Thus, we can conclude that the acceleration of the ball is, 9m/s.

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Punnett squares are used by geneticists to determine the probability of different offspring genotypes. In the one shown below, what letter(s) belong in the lower right box?

Answers

Answer: aa

Explanation:

In a Punnett square, the lower right box will use the right letter on the top and the bottom letter along the left. This means we end up with: aa

See attached for more.

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List 5 things that cellular respiration and photosynthesis have in common.

Answers

Photosynthesis and cellular respiration are two biochemical processes that are essential to most life on Earth. Both of these processes involve multiple complex steps and many of the same molecules—oxygen (O2), carbon dioxide (CO2), water (H2O), glucose (C6H12O6), and adenosine triphosphate (ATP). im not sure but this?

match each example of a conflict with what it tells you about the character invloed

Answers

An example of a conflict is that Beverly is going to make Millicent's challenge extra tough: she seems to enjoy treating people badly.

What is a conflict?

A conflict simply refers to any form of disagreement, misunderstanding, or struggle that arises between two (2) or more parties, especially due to any of the following reasons;

Differing opinionsIncompatibilityA difficult challenge.Opposing viewSuperiority

Some examples of a conflict with what it tells about the character include the following:

Beverly is going to make Millicent's challenge extra tough: she seems to enjoy treating people badly.Tracy is rejected by the sorority because of the way she appears: she doesn't look and act like the people who are popular.Millicent is unwilling to abandon her old friend Tracy: she thinks being a good friend is more important than being popular.Millicent is starting to question being in a group: she takes time to think things though carefully.

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Types of cell signalling?

Answers

1. Paracrine signaling

2. Endocrine system

3. Autocrine signaling

4. Signal transduction

choose the correct answer

Answers

number 2

number 2 because the colour doesnt matter

What trait is recessive in the picture

Answers

Shortness is the recessive trait

Which term best describes this step of the investigative process?

Answers

Experiment is the best term to describe the step of investigative process.

Experiment.

This is a procedure carried out under controlled conditions in order to discover an unknown effect or law, to test or establish a hypothesis, or to illustrate a known law.