Biology College

Which best describes the blood flowing in an artery?
A. It is oxygen rich
B. It contains no red blood cells.
C. It moves toward the heart.
D. It is oxygen poor.

Answers

Answer 1
Process of elimination is helpful for this question.

You can already remove B, and D, because if you were to be taking these classes, you would know that blood obviously has red blood cells in it, and it is rich in oxygen.

This leads into the answer:
of A, which is the correct answer of “It is oxygen rich.”

C is a no contest answer because blood in the arteries actually moved away from the heart, not towards it.

Hope this helps :)))
Answer 2

It is oxygen rich

What do you mean by arteries?

The arteries are the blood vessels that deliver oxygen-rich blood from the heart to the tissues of the body. Each artery is a muscular tube lined by smooth tissue and has three layers: The intima, the inner layer lined by a smooth tissue called endothelium.

What is oxygenated blood?

Oxygenated blood can be simply defined as a blood cell with large percentage of oxygen and low in carbon dioxide. It appears bright red in color and travels away from the heart to different parts of the body.

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Related Questions

What can you infer about the Maastrichtian Age from its name?

Question 7 options:

A)

That is was an extremely long, complicated age.


B)

Rocks from that era were first studied near the city of Maastricht, Netherlands


C)

That is was the most strict geologic age in history.


D)

Nothing - the names of geologic ages are arbitrary.

Answers

Answer:

The B) is answer

my answer have to be atleast 20 characters long oof

Which molecule is split apart during the light reactions in photosynthesis?
A. Water
O B. Carbon dioxide
ООО
C. Glucose
D. ATP

Answers

It’s B because carbon dioxide is splits apart

Help me please thanks the first one

Answers

Answer:

7683.2 Joules

Explanation:

We can calculate potential energy using the equation that is used to calculate the work done by a conservative force, in this case, gravity.

U(x)gravity = mgy

U represents potential energy, m is mass, g is gravity, and y is the height.

U(x) = (80 kg)(9.8 m/s^2)(9.8m)

Potential Energy = 7683.2 Joules

does anyone know this pls help

Answers

Answer:

A person standing on the ground is barely affected by surface gravity

what do microbiologist do? why are their contributions imported to science? pls help!

Answers

They use there knowledge to prevent or treat disease, develop new technologies and improve our lives in general. Their contributions imported to science because it helps us with things that are ill to our body, like diseases.

Help with all please 10 points and try and leave a small explanation, sorry for the quality lol.

Answers

Answer for question 1- B (eliminate all plant life)

Answer for question 3- A (Direct energy from the Sun)

(i’m not entirely sure what the answer is to question 2 and i do apologies if any of this incorrect)

During the cell cycle, (1)_______ is the stage when the cell is performing
its functions and/or resting, whereas _(2)______ is the stage when the
cell is actively dividing.

Answers

Answer:

A is correct happy new year

THE ANSWER IS A I HOPE THIS HELPS

how does asexual reproduction limit variation in species?

Answers

Answer:

less of a chance for mutations

Explanation:

Answer:

Asexual reproduction is a cheap and fast method for producing large numbers of propagules having little diversity. The method of cell division is mitosis, which produces identical daughter cells. This is largely advantageous when survival of offspring is dependent, more upon explosive population growth, than on the diversity of each individual. Plankton species are such an example, where to survive they mostly just need to out produce predation.

Most organisms engage in sexual reproduction at some point in their life cycle to introduce diversity when survival is dependent on susceptibility to parasites. Host — parasite coevolution is an arms race accelerated by diversity.

In sexual reproduction, the method of cell division is meiosis, where diversity is introduced through crossing over, independent assortment, and also, random fertilization.

Explanation:

in guinea pigs short hair is dominant over long hair. a female guinea pig with short hair but whose father had long hair is mated with a male whose parents were both short haired, but who has long hair. using a punnett square, predict the genotypic and phenotypic ratios of their offspring?

Answers

The picture is what the punnet square looks like. Capital S represents short hair and lowercase s represents long hair.
The genotypic ratio is 2:2 (Ss 50% and ss 50%)
The phenotypic ratio is 2:2 (short hair 50% and long hair 50%)

The parietal pleura lines the

Answers

Answer:

Uh im confused so here is the defination The parietal pleura is the outer membrane that attaches to and lines the inner surface of the thoracic cavity, covers the upper surface of the diaphragm and is reflected over structures within the middle of the thorax. It separates the pleural cavity from the mediastinum.

Explanation:

What are the three blood types? Explain how there could be an AB blood type.

Answers

Answer:

AB

O

A

B

the AB blood type is created (mostly) by someone with A blood type making a baby with someone with B blood.

Explanation:

The human blood group is classified into four major classes which are A, B, AB, and O. This is possible due to multiple allelism and codominance which are found in the alleles A and B.

What is blood typing?

A blood type is the classification of blood into different groups, based on the presence or absence of antibodies and inherited antigenic substances on the surface of the red blood cells which are present in the blood. These antigens may be proteins, carbohydrates, glycoproteins, or the glycolipids, depending up on the blood group system.

In humans, the blood typing is of four types that is A, B, AB, and O. This is because, the blood typing is an example of multiple allelism and codominance. A and B alleles are codominant and O is recessive.

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Please Help i will give brainliest

Answers

Answer:

1. it establishes the foundation for food webs and food chains.

2. preservation of biodiversity prevents the extinction of species

Explanation:

Biodiversity gives a role to every species, whether or not it may seem important. By establishing a food chain, the roles of each organism is fulfilled as an ongoing cycle. If we didn't have this, there could end up being too many animals.

I need someone to do a very big task for me in biology..I will give brainlist. The teask i need is the first one in my profile. Thankyou

Answers

Answer:

Explanation:

i'll try

Which of the following accurately describes where glyphosate can be used and why

Answers

Answer is
Glyphosate is an herbicide. It is applied to the leaves of plants to kill both broadleaf plants and grasses. The sodium salt form of glyphosate is used to regulate plant growth and ripen specific crops.


If a strand of
DNA reads ATC
C, what would
the other side
read?

Answers

Answer:

TAGG

Explanation:

Adenine always pairs with thymine and cytosine always pairs with guanine

how did advancements in technology help scientists better understand process of cell division?

Answers

Answer:

As is true for many fields of research, cell biology has always been ... Thanks to these advances we now have access to microscopes and ... You might then also realize that the new method, at least on paper, may have additional applications. ... which makes the technology attractive to yet more scientists.

Explanation:

Hoped I helped you out please mark me brainliest!!!

With the creation of the microscope, humans were able to observe plant and animal cells, and as technology advanced, scientists were able to learn more about these various types of cells.

What is a microscope?

A microscope is a device that can be used to examine small objects, including cells. The image of an object is magnified in the microscope by at least one lens.

In most cases, the light is focused on the sample by passing it through a condenser.

After passing through the sample, the light passes through the objective lens, which magnifies the image of the sample, and then to the oculars, where the enlarged image is viewed.

The discovery of the green fluorescent protein (GFP), the development of increasingly sophisticated microscopes, and the development of in vitro assays that faithfully reproduce cellular functions are just a few examples of technological advances that have fueled many areas of cell biology.

Thus, it can be concluded that the advancements in technology help scientists better understand process of cell division.

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Which statement is best represented by the diagram?
All carbon is in the form of carbon dioxide,

Carbon can exist in many forms, but the total amount of carbon stays the same.

The amount of carbon in the cycle can increase or decrease based on the number of factories present.

Only living things release carbon dioxide into the atmosphere.

Answers

Answer:

All carbon is in the form of carbon dioxide

what does the phrase "science is not done" mean?

Answers

Answer:

yrfquwrfbliueiurviurnfr

Explanation:

that means i do not know what that means

It means that theres more too explore and we haven't begun to understand the mysteries of the universe. There's still a lot more to learn with any sciences.

plzzzzzzzzzzz help lol

Answers

Answer:

litter

Explanation:

In which stage do vertebrate embryos or offspring show the most similarities?

Answers

Answer: Middle stages

Explanation:

Answer:

Earliest stages

Expation:

ALOT OF POINTS PLEASE HELP :)

How did humankind discover the presence of DNA?

Answers

Answer:

The real breakthrough in understanding DNA, however, came with the discovery of its structure in 1953. The discovery of the structure of DNA is often credited to James Watson and Francis Crick.

Explanation:

Prokaryotes are structurally simple creatures that have existed for over a billion years. Which of the following are prokaryotes?

A Protists

B Bacteria

C Fungi

D Plants

Answers

Answer:

B. Bacteria

Explanation:

Trust me It's correct

Which of the following is an incorrect match? a. endocytosis – substances taken into the cell b. exocytosis – substances secreted from the cell c. pinocytosis – liquids secreted from the cell d. phagocytosis – large particles taken into the cell

Answers

Answer:

The correct answer is c.pinocytosis – liquids secreted from the cell

Explanation:

Pinocytosis is a type of endocytosis in which substances are internalized into the cell from the celullar exterior. The components are not secreted from the cell but are uptaken into the cell. This internalization process is characterized by the formation of an invagination of the cell membrane where then is formed a vesicle surrounding the component to be uptaken.  

If two hybrid tall pea plants are crossed what is the probability that the offspring will have the tall phenotype?

Answers

Answer:

There is a high probability that the Pea plant will have a High phenotype!

Explanation:

Because both "parent plants" are tall, this will cause the offspring to also be tall, this will be because it in it's genes or in other words DNA too be strong.

In which experimental set up shown would you expect the Elodia plant inside a test tube to produce the least amount of oxygen

Answers

Answer:

Due to less concentration of carbondioxide gas.

Explanation:

Elodia plant inside a test tube produces the least amount of oxygen due to limited carbondioxide gas that is necessary for photosynthesis process. If a test tube has less amount of carbondioxide gas which is a reactant in photosynthesis so in the end the Elodia plant generates less amount of glucose as well as oxygen while on the other hand, if there is more carbondioxide gas is available to Elodia plant, more oxygen as well as glucose is produced.

Using the data in Figure 13.2, translate the following DNA segment into an amino acid sequence: -TTTAGCGAGTCTCGA-

Answers

Phe-ser-glu-ser-arg

T (thymine) should be translated into U (uracil)

If this is right, can you mark me brainliest? :)

Enzymes lower the activation energy for a chemical reaction to proceed.

Answers

Answer:

The statement is true since one of the main functions of the enzyme is to lower the activation energy so that a chemical reaction to proceed.

Explanation:

Enzymes are specialized protein molecules that contribute to faster chemical reactions. One of the functional characteristics of an enzyme is that it reduces the activation energy for a reaction to occur.

Activation energy is the amount of net energy required for a reaction to occur. By lowering the activation energy, a reaction occurs faster, which is achieved with a biocatalyst such as enzyme.

Because _________
is not a reason to reject frozen food.
A. ice crystals appear on the product or package
B. fluids or frozen liquids appear in case bottoms
C. there are water stains on the package
D. a similar or identical product is available in freeze-dried form

Answers

Answer:

D a similar or identical product is available in freeze-dried form

Answer:

D just took the test

Explanation:

Can DNA leave the nucleus ?
Yes
Or
No

Answers

No it never leaves the nucleus, that's wear it is located

look at the picture
​

Answers

I’m in middle school and I would know to just make a guess because it is called a prediction unless that question counts as points then I would say that the other liquid would evaporate faster
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