Questions posted in Biology - AssignmentGrade.com

Questions posted in Biology

How does your body exchange carbon dioxide for oxygen?

This exchange process takes place in the aveolus (air sac) inside your lungs by diffusion.
it's from a different concentration gradient
the deoxygenated blood with carbon dioxide diffuse into a aveoli (which is in high concentration) and the aveoli release the oxygen into the blood stream (which is low concentration) therefore the blood will be oxygenated again

ANSWERED AT 27/05/2020 - 08:29 PM


QUESTION POSTED AT 27/05/2020 - 08:29 PM

Anaerobic metabolic pathway that splits glucose into two 3-carbon pyruvate molecules:

Glycolysis splits 1 GLU (6 Cs) --> 2 PYR (3 Cs)

ANSWERED AT 27/05/2020 - 08:28 PM


QUESTION POSTED AT 27/05/2020 - 08:28 PM

What types of white blood cells are available to your immune system?

The types of white blood cells that are available in ones immune system are phagocytes and lymphocytes.

ANSWERED AT 27/05/2020 - 08:28 PM


QUESTION POSTED AT 27/05/2020 - 08:28 PM

Nucleic acid hybridization is based on the fact that _______

Nucleic acid hybridization is based on the fact that pairing between complementary bases occurs. Nucleic acid hybridization is a technique in which single-stranded nucleic acids (DNA or RNA) are allowed to interact so that complexes called hybrids are formed by molecules with similar, complementary sequences.

ANSWERED AT 27/05/2020 - 08:27 PM


QUESTION POSTED AT 27/05/2020 - 08:27 PM

After digestion and absorption which circulatory system carries fat and fat-soluble vitamins

Lymphatic system via specialized vessels called lacteals

ANSWERED AT 27/05/2020 - 08:24 PM


QUESTION POSTED AT 27/05/2020 - 08:24 PM

The bonds that link the base pairs in the dna double helix are ________.

The bonds are hydrogen bonds.


              hope it helps u ....

ANSWERED AT 27/05/2020 - 08:24 PM


QUESTION POSTED AT 27/05/2020 - 08:24 PM

What is the function of the intervertebral disk and what are its two components?

To support the axial load on the column as it is delivered by body mass and gravity

ANSWERED AT 27/05/2020 - 08:22 PM


QUESTION POSTED AT 27/05/2020 - 08:22 PM

The pressure exerted by the blood against the walls of the blood vessels is known as

Blood pressure....the blood is usually under high pressure when first being pumped out of the heart to be sent to parts of the body!

ANSWERED AT 27/05/2020 - 08:22 PM


QUESTION POSTED AT 27/05/2020 - 08:22 PM

What directly produces atp in electron transport chain?

Atp is produced In mitochondria.
 Most eukaryotic cells have mitochondria, which produce ATP from products of the citric acid cycle, fatty acid oxidation, and amino acid oxidation. At the mitochondrial inner membrane, electrons from NADH and FADH2 pass through theelectron transport chain to oxygen, which is reduced to water.


      hope it helps u......

ANSWERED AT 27/05/2020 - 08:21 PM


QUESTION POSTED AT 27/05/2020 - 08:21 PM

If a cell's lysosomes burst, the cell would ______.

If a cell's lysosomes burst, the cell would deflate.

ANSWERED AT 27/05/2020 - 08:19 PM


QUESTION POSTED AT 27/05/2020 - 08:19 PM

One type of cell that contains half the genetic information of an individual is a:

One type of cell that contains half the genetic information of an individual is a S.PERM.
In sexual reproduction, for a zygote to be formed, two type of cells must come together,that is, an egg and a sperm. Each of these cells contain half the information that will be needed to form a new zygote.

ANSWERED AT 27/05/2020 - 08:19 PM


QUESTION POSTED AT 27/05/2020 - 08:19 PM

Buffers are substances that help resist shifts in ph by

Buffers react with both acids and alkalis in equilibrium and when the equilibrium is tempered with (addition of acid or alkali) it will shift to reestablish the equilibrium.

So a buffer will react with acid to ensure that the pH doesn't lower and will react with alkali to ensure that the pH doesn't increase.

Hope that helps 

ANSWERED AT 27/05/2020 - 08:18 PM


QUESTION POSTED AT 27/05/2020 - 08:18 PM

What are the predominant im forces between molecules of water?

Hydrogen bonds, due to the polar nature of the water molecules.

ANSWERED AT 27/05/2020 - 08:18 PM


QUESTION POSTED AT 27/05/2020 - 08:18 PM

Which part of an amino acid distinguishes it from every other kind of amino acid?

Its the R(f) values, pretty sure

ANSWERED AT 27/05/2020 - 08:13 PM


QUESTION POSTED AT 27/05/2020 - 08:13 PM

What are the membranes that attach the internal organs to the body wall?

The meninges are the membranes that attach the internal organs to the body wall.

ANSWERED AT 27/05/2020 - 08:13 PM


QUESTION POSTED AT 27/05/2020 - 08:13 PM

The cross between a red flower and a white flower produces all pink flowers. this type of inheritance is known as

Incomplete dominance, because the dominant allele should always penetrate and not compromise with the recessive one. But it blended, therefore was INCOMPLETE in its dominance.
Normally that happens, as with most human traits, and is called COMPLETE dominance.

ANSWERED AT 27/05/2020 - 08:13 PM


QUESTION POSTED AT 27/05/2020 - 08:13 PM

Factors such as age, gender, family history, and genetics are _____ risk factors, while _____ risk factors are ones that are in your power to change.

Factors such as age, gender, family history, and genetics are nonmodifiable risk factors, while modifiable risk factors are ones that are in your power to change.
You cannot change your age, family history or genetics - you will age no matter what, and you will inherit some traits from your ancestors whether you like it or not. Gender is more flexible nowadays as there are surgeries that can help people change their gender. 

ANSWERED AT 27/05/2020 - 08:12 PM


QUESTION POSTED AT 27/05/2020 - 08:12 PM

A signal molecule is also known as a(n) _____.

Https://quizlet.com/54240334/chapters-11-12-flash-cards/

these help me

ANSWERED AT 27/05/2020 - 08:09 PM


QUESTION POSTED AT 27/05/2020 - 08:09 PM

What were the only animals that the people of the americas partially domesticated?

Llamas and Guinea pigs

ANSWERED AT 27/05/2020 - 08:08 PM


QUESTION POSTED AT 27/05/2020 - 08:08 PM

Which principle states that animals succeed each other in a definite sequence?

The answer is faunal succession

ANSWERED AT 27/05/2020 - 08:07 PM


QUESTION POSTED AT 27/05/2020 - 08:07 PM

During replication, the original "parent" DNA _____.

Is opened up such that a copy of its code can be made, in a semi-conservative way of replication

ANSWERED AT 27/05/2020 - 08:02 PM


QUESTION POSTED AT 27/05/2020 - 08:02 PM

What is the primary storage form of carbohydrate in the body?

The primary storage of carbohydrates in the body is in the form of glycogen.

ANSWERED AT 27/05/2020 - 08:01 PM


QUESTION POSTED AT 27/05/2020 - 08:01 PM

How does the respiratory system interact with the circulatory system 7th grade?

*The lungs give oxygen to the bloodstream and the blood carries it to the cells
*The blood takes carbon dioxide FROM cells and brings it back to the lungs to be released

ANSWERED AT 26/05/2020 - 09:56 PM


QUESTION POSTED AT 26/05/2020 - 09:56 PM

Blood from the body is first received by the heart in the

Received by the heart thru the superior vena cava by the right atrium....then right ventricle then pulmonary artery then pulmonary vein then left atrium then left ventricle and then pushed out from heart by aorta! hope that helps!

ANSWERED AT 26/05/2020 - 09:56 PM


QUESTION POSTED AT 26/05/2020 - 09:56 PM

The male gonads have both sperm-producing and testosterone-producing functions and are called:

Testes now to get this to twenty letters

ANSWERED AT 26/05/2020 - 09:55 PM


QUESTION POSTED AT 26/05/2020 - 09:55 PM

What organs survive the longest without oxygen?

Muscle can survive the longest.

ANSWERED AT 26/05/2020 - 09:53 PM


QUESTION POSTED AT 26/05/2020 - 09:53 PM

What causes unequal growth in plant stems allowing them bend toward light?

Plants need light because it is one of the ingredients to perform photosynthesis—process of making food. Now, when light is not present or when it is blocked, some hormones of plants react and respond so that plants can obtain this resource. A hormone called auxin causes stem elongation which lets the plant bend to where the light is and this action of the plan is described as phototropism—movement towards sunlight.

ANSWERED AT 26/05/2020 - 09:52 PM


QUESTION POSTED AT 26/05/2020 - 09:52 PM

The muscle that retracts and elevates the upper lip is the ________ muscle.

The muscle that retracts and elevates the upper lip is the zygomaticus minor muscle.

ANSWERED AT 26/05/2020 - 09:47 PM


QUESTION POSTED AT 26/05/2020 - 09:47 PM