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larisa [96]
3 years ago
15

Which lipoprotein picks up cholesterol from your arteries and other places in the body and returns it back to the liver for furt

her metabolism?.
Biology
1 answer:
evablogger [386]3 years ago
3 0

High-density lipoproteins (HDL) refer to macromolecular complexes made up of lipids and that have the function of transporting dietary lipids to the liver.

<h3>What are lipoproteins?</h3>

They are macromolecules whose function is to package insoluble lipids in the aqueous medium of plasma and transport them from the intestine and liver to peripheral tissues and, from these, return cholesterol to the liver for elimination from the body.

<h3>Characteristics of High Density Lipoproteins (HDL)</h3>

  • They are synthesized and secreted by the liver and to a lesser extent by the intestine.

  • They transport cholesterol from peripheral tissues to the liver, this is known as “Reverse Cholesterol Transport”.

Therefore, we can conclude that lipoproteins are macromolecules whose function is to transport lipid molecules from one organ to another in the aqueous medium of plasma.

Learn more about lipoproteins here: brainly.com/question/16170788

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Identify the statement that is true.
Digiron [165]

the best answer u got here is C. Passive transportdoes not  require the cell to use energy, while active transport does. An example of passive transport is a carrier protein involed in facilitated difussion.

this the best answer u got here and i reccomend this one plz mark brainliest

5 0
3 years ago
Which of the following is an example of a negative feedback loop? Select one: a. Uterine contractions to expel a fetus during la
PtichkaEL [24]

Answer:

d

Explanation:

<em>The correct answer would be increasing heart rate to compensate for low cardiac output.</em>

The negative feedback loop is the mechanism that is utilized in the maintenance of homeostasis. They work by opposing the processes that bring about a deviation away from setpoints, that is, the normal range of operation of physiological processes in the body.

<u>For example, when the heart rate goes below the setpoint, the negative feedback loop swings into action through the sensor, the control center, and the effector to return the heart rate to the normal operating range.</u>

Correct option: d

6 0
3 years ago
Which organs and accessory structures are considered part of the upper GI tract
kodGreya [7K]
Answer - <span>The oral cavity, salivary glands, pharynx, esophagus, and stomach.

Reasoning - These Structures are what builds and performs as a system.</span>

7 0
4 years ago
An example of an epigenetic change is
Oksana_A [137]

Answer:

The correct answer is option d.

Explanation:

An illustration of epigenetic change is a microbe, which can stimulate modifications in the host DNA, causing suppression of defenses or weakening of individual cells. Epigenetic changes modify the physical composition of DNA.  

One of the examples of epigenetic change is DNA methylation. DNA methylation refers to the supplementation of methyl group, which inhibits some of the genes from getting expressed. One of the conditions of DNA methylation is cancer.  

In the majority of cancer, the tumor cells go through global hypomethylation. The tumor suppressed genes seem to turn highly methylated in the conditions of cancer.  

5 0
3 years ago
YALL PLEASE HELP ASAP! Which of the following events happens during Transcription?
Fed [463]

Answer:

The last one is the correct answer<em>(  a mRNA strand is created using the code in DNA)</em>

4 0
3 years ago
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