1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
malfutka [58]
4 years ago
13

Afterload is described as: a) the length or degree of stretch of the sarcomeres in the ventricular cells before they contract. b

) the amount of blood that has drained into the ventricle by the end of the filling phase. c) the ability to generate tension. d) the force the ventricles must overcome to eject blood into their respective arteries.
Biology
1 answer:
cricket20 [7]4 years ago
5 0

Answer: Option D

After load is the force the ventricles must overcome to eject blood into their respective arteries.

Explanation:

Afterload is the pressure or force the heart must overcome to release blood to the arteries during systole. It is proportional to the average arterial pressure. After load is also proportional to the mean systolic blood pressure measured in millimeters of mercury. It I'd a determinat of cardiac output and cardiac output is the product of stroke volume and heart rate.

You might be interested in
The metabolic fate of fatty acids is dependent on two enzymes, carnitine acyltransferase i and acetyl-coa carboxylase. carnitine
zvonat [6]

The correct answer is the last statement.

If the regulatory serine is mutated to alanine, then acetyl-CoA carboxylase will get activated spontaneously and will produce malonyl-CoA. The increased concentrations of malonyl-CoA will obstruct the oxidation of fatty acids by preventing the entry of fatty acids into the mitochondria.

It is because the AMP-activated protein kinase phosphorylates the serine residues of acetyl-CoA carboxylase to inactivate it. If a mutation occurs in such residues, then the AMPL cannot phosphorylate acetyl-CoA carboxylase and this enzyme will get activated spontaneously.

In such a situation, there will be more than sufficient production of malonyl-CoA, which will inhibit the admittance of more fatty acid getting inside the mitochondria; this will indirectly prevent the oxidation of fatty acids.

8 0
4 years ago
An excess of nitrates in a lake could lead to
alexgriva [62]

Answer:

The growth and aquatic plants and algae, but also the death of fish and other invertebrates.

4 0
2 years ago
Will upvote please help
atroni [7]

Answer:12

Explanation:its the only one under 18

5 0
3 years ago
What best explains how they should complete the table?
VikaD [51]

Explanation:

Protons and neutrons are subatomic particles found  in the atom of any substance.

These particles collectively determines the mass number of the atom.

  • Protons are positively charged particles found in the nucleus of an atom.
  • Neutrons do not carry any charges and are also found in the nucleus.
  • Electrons are negatively charged particles.

Electrons occupy the extranuclear space of an atom.

8 0
3 years ago
Read 2 more answers
Proteins embedded in the cell membrane may help molecules pass through that membrane without requiring any energy from the cell.
lora16 [44]

Answer:

Facilitated Diffusion

Explanation:

7 0
3 years ago
Other questions:
  • Which of the following is an example of genetic engineering? I need an answer PLZ due today
    13·2 answers
  • Which male reproduction structure preforms a function similar to a function of the female ovaries?
    15·2 answers
  • When a muscle cell contracts, Group of answer choices the position of each myosin head is identical at any given moment. some my
    6·1 answer
  • What happens when the area in which you live tilts away from the sun?
    6·2 answers
  • Which of the various species concepts distinguishes two species based on whether genes are exchanged between their gene pools?A)
    5·1 answer
  • What are the units for air pressure
    10·1 answer
  • Some alleles are dominant and others are recessive. An organism with at least one dominant allele for a particular form of a tra
    10·1 answer
  • What is Plasma Membrane? Koi zinda hai kya? +_+​
    12·1 answer
  • What is the relationship between respiration and cellular respiration?
    5·1 answer
  • Which classification of teeth is when they are chisel shaped and exert a shearing action used in biting
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!