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Likurg_2 [28]
3 years ago
10

In the lipid bilayer, the polar heads face outwards and are

Biology
1 answer:
belka [17]3 years ago
4 0

Answer:

Explanation:

hydrophilic

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Acetic acid, commonly known as vinegar, is sour. Which functional group is present in acetic acid?
weeeeeb [17]
The carboxylic group.
3 0
3 years ago
Please help.What would you expect to occur if you were to repeatedly lift 25 pounds over your head for 1 minute,
nordsb [41]

Answer:

Strengthen the arms.

Explanation:

If a person repeatedly lift 25 pounds of weight over the head for 1 minute and then rest for 1 minute, the outcome of this exercise is to strengthen the muscles of the arms. The lifting of weight with the help of arms, the muscles of the arms will get stronger and increase occurs in the width of the arms. This exercise done by bodybuilders to get their arms stronger as well as athlete for stronger arms and hand muscles so the outcome of lifting the weight will leads to the increase in the strength of the arms.

3 0
3 years ago
The drug colchicine inhibits the formation of spindle fibers during mitosis. If you treat dividing plant cells with colchicine,
vekshin1

Answer:

D

Explanation:

During metaphase of cell division, the chromosomes line up in the metaphase plate and the spindle fibers from the poles extend and attach to the centromeres of the chromosomes. The spindle then contracts and pull different chromosomes to the opposite poles of the cell before the parent cell divides.   If spindle fibers do not form, then the chromosomes will not separate during anaphase.

Therefore, the final cell after mitosis will be a cell with double the number of chromosomes -because if you remember, during interphase, genetic material is replicated so each daughter cell can have its copy-. Due to quality control in the process of cell divisison, this cell will mostly undergo apoptosis, otherwise, it could develop into cancer.

8 0
3 years ago
Fossils of ancient polar plants are currently found near the equator because the ________. A. entire earth had polar conditions
professor190 [17]
<h2>Answer is option "B"</h2>

Explanation:

  • Fossils are formed by unusal ways of minerals,energy and other substances. the sap solidifies and frames the semiprecious material called golden. In certain bits of golden the buried survives from living beings can be found. Volcanic ejections can shape fossils when creatures get caught in the hot debris streams. Right now, the fossil is a hole looking like an animal.
  • Truth be told coal is the fossil record of entire timberlands; in any case, singular plant structures normally don't make due as the plant materials are compacted to short of what one-hundredth of their unique size. the hard part of plants are remain the fossil.
  • So as to get fossilized, creatures must kick the bucket in a watery situation and become covered in the mud and residue.
  • hence, the right answer is option B "Plant lived near the poles,but landmasses have drifted to current locations".

6 0
3 years ago
A dieback, or population crash, often occurs after a species _________ its environmental carrying capacity
ozzi
Has died and come back to life
6 0
3 years ago
Read 2 more answers
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