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aev [14]
3 years ago
7

Arteries gradually constrict between each heartbeat. This would allow for which of the following?

Biology
2 answers:
elixir [45]3 years ago
7 0
The right answer for the question that is being asked and shown above is that: "C. Blood flow would be temporarily blocked between heartbeats."Arteries gradually constrict between each heartbeat. This would allow for blood flow would be temporarily blocked between heartbeats.

Firdavs [7]3 years ago
3 0

Answer:

The correct answer is option A, Blood pressure would drop during a heartbeat

Explanation:

When the arteries get constrict, the walls of arteries reduces  the space/volume  with in the arteries which causes blockage for a very minute time period. When the flow is blocked the blood pressure increases, while when the walls are released the pressure reduces but the flow increase.  

This process is also refered to as Vasoconstriction and it is a normal process which stabilizes the blood pressure.  

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Deafness is a _____ along with ADHD. comorbidity dual-disease syndrome discrepancy disease psychopathological syndrome
viva [34]

Answer:

<em>The correct option is A) comorbidity</em>

Explanation:

In the field of medicine, comorbidity can be described as a term which is used for disorders which show more than one disorders along with a primary disorder.

For example, ADHD is a attention deficit hyperactivity disorder in which a person experiences a number of conditions such as problems in attention, the ability to sit still, and self-control. the same case goes with deafness. Although the primary effect of deafness is the lack of the ability to hear but certain other factors such as posture and balance are affected by it.

7 0
2 years ago
Which of the following DNA mutations is most likely to damage the protein it specifies? A) a base-pair deletionB) an addition of
ivolga24 [154]

the answer is (A)a base-pair deletion.

7 0
3 years ago
What type of tissue with a matrix consisting of rows of fibroblasts that manufacture collagen fibers?
BabaBlast [244]
<span>Dense connective tissue</span>
5 0
3 years ago
Which of the following best describes an aspect of a membrane's molecular structure that causes it to be selectively permeable?
atroni [7]

Answer:

<u>d. Transport proteins within the membrane serve as a tunnel for molecules to enter the cell. </u>

<u />

Explanation:

Solutes are typically moved across the cell through either passive or active transport. The cells, surrounded by a bilipid layer or plasma membrane is amphiphlic- its polar, hydrophilic lipid heads face outwards, while their non-polar hydrophobic lipid tails face inwards towards each other.

While lipid-soluble molecules move across the layer easily, it is also difficult for charged and also large molecules to move across its surface, into the cell. Transmembrane channels, <u>embedded within the membrane</u>, help to maintain selective permeability as transport proteins, pores and gated channels. Simple diffusion happens as a method of passive transport in cells through plasma membranes.

The solutes travel through the plasma membrane in the process of diffusion from regions of high concentration to regions of low concentration; this occurs without the use of energy. <u>Molecules moving against their concentration require active transport mechanism to cross the membrane</u>.

3 0
2 years ago
I NEED HELP PLEASE!!!
Novosadov [1.4K]

Answer

1. The vascular and dermal tissues

2. Protein capsid

Explanation

Dermal tissue present in plants offer the first defense mechanism against physical damage which could be caused by insects and infections.The dermal tissue covers the outside parts of a plant except in woody shrubs and tree which are protected by the bark. Vascular tissues in plants are responsible for the transportation of water and nutrients that are vital in cell repair and growth.Through vascular tissues, the plant obtains nutrients important for the restoration of the damaged cells.

A capsid is the protein shell of a virus.It is composed of protomers which are subunits.Some viruses are enveloped by a capsid coated with a lipid membrane called the viral envelop.The main function of a capsid is to protect the genetic material of a virus while interacting with the host environment.



4 0
3 years ago
Read 2 more answers
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