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Alecsey [184]
3 years ago
6

A membrane bound sac that is used to transport material in and out of a cell is?

Biology
1 answer:
svet-max [94.6K]3 years ago
4 0
It is a vesicle - they take material out of the cell by exocytosis.
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During embryonic development, the vertebral column is replaced by the notochord.
Reptile [31]

Hello! The answer is false.

It is actually the opposite. The notochord is a primitive axial skeleton, and in humans, it disappears. It eventually becomes part of the vertebral column, which is the backbone that we have today.

Hope this helps!

3 0
3 years ago
What is one right that you feel that every American is born with?<br> And then explain why.
maxonik [38]

Answer:

One right that every American is born with can be the freedom of speech. According to the first Amendment, American citizens are given this right. This right is something that every American is born with because everyone is allowed to express their ideas and opinions, within certain limits. A person's speech can't necessarily be restricted, but there can be consequences for certain things.

8 0
2 years ago
Nasim is driving on a snow-covered road, and her car begins to slide. The quick behavioral response and the increased heart rate
Luda [366]

Answer:

1. sympathetic

2. parasympathetic

Explanation:

The sympathetic division of the autonomic nervous system triggers the release of stress hormones from adrenal medulla under emergency conditions. There is a series of physiological responses such as increased heart and breathing rate, an increased flow of blood to skeletal muscles, dilation of pupils, etc. These events helped Nasim to fight the stress conditions.  

Once she was relieved, the parasympathetic system is activated that shut down the physiological responses generated by sympathetic division. It slows down the breathing and heart rate and triggers the digestion and absorption of nutrients to restore the energy level of cells.

3 0
3 years ago
Individuals producing an abnormal form of the extracellular matrix protein, fibrillin, is a result of ______.
erastova [34]

Answer:

Indivisuals with producing an abnormal form of extracellular protein fibrillin are suffering from Marfan syndrome ehich is caused by genetic mutation in the FBN1 gene.

Explanation:

Gene mutations in FBN1 gene results in the production of an abnormal extracellular matrix fibrillin-1 protein that cannot function properly. These gene mutations basically reduce the amount of fibrillin-1 produced by the cell, alter the structure of fibrillin-1, or causes the impairment of the transport of fibrillin-1 out of the cell.

As a result, protein is poorly incorporated into extracellular matrix. Hence, indivisuals with Marfan syndrome present following symptoms

Tall stature.

Disproportionately long arms, legs and fingers.

Sternum either protrudes outward or dips inward.

Arched palate and crowded teeth.

Heart murmurs.

Extreme nearsightedness.

6 0
3 years ago
The study of energy and its changing forms is called
kumpel [21]
Thermodynamics is the study of energy and it changing forms, hope this helps.
7 0
3 years ago
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