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Elan Coil [88]
3 years ago
15

Mmmmmmmmmmmmmmmmmmbdbsbzbzb

Biology
1 answer:
likoan [24]3 years ago
5 0

Answer:

D is the answer.

Explanation:

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The photo shows the leaves from one type of vascular
Alex Ar [27]

the answer is c elm do to it having a saw blade edged

6 0
2 years ago
An alpha helix or a beta-pleated sheet are examples of what level of protein structure?
weqwewe [10]

Answer:

Secondary level of protein structure

Explanation:

The proteins are formed of the monomer units called amino acids which bond with each other via peptide bond and form a linear peptide structure called the primary level structure of the protein.

The proteins to perform several functions in a cell undergoes structural conformation and attain the helical form called alpha helix due to the involvement of alpha carbon in bond formation and a pleated sheet called beta-pleated sheet due to the involvement of beta carbon. These structures are known as a secondary level of protein structure.

Thus, a Secondary level of protein structure is the correct answer.

4 0
3 years ago
Read 2 more answers
Determine the net charge of the following tetrapeptide at pH 13.5 that contains the amino acids represented by the single letter
lyudmila [28]

Answer:

The correct answer is E.-2

Explanation:

Net charge or electric charge is the physical property of the matter, which makes it to experience a force, when it is placed in an electromagnetic field. The unit of charge is Coulomb, C.

Types:

Thee are 2 types of electric charges:

1- Positive Charge

2- Negative Charge  

How to calculate net charge?

First we have to look at the composition or our element. Then simply add the number of protons then substrate the total electrons present.

5 0
2 years ago
Which of the following may be exceptions to the Law of Superposition? A. fault blocks B. dome mountains C. turbite beds D. all o
lbvjy [14]
I think the answer would be : D. all of the above

There are 3 exceptions to the law of superposition :
- Folding/faulting
- Intrusions
- Extrusion

Those 3 choices seems to include all of this exception

hope this helps
5 0
3 years ago
Read 2 more answers
A red blood cell will shrink in size when placed in a more concentrated salt solution because of the passive process called A) b
Stolb23 [73]

Answer:

The correct answer is option D. Osmosis

Explanation:

Osmosis the process in which high solute concentration molecule move to low concentration molecule through the semi-permeable membrane.

In the hypotonic solution, a cell get lysed due to solute movement into the cell whereas in a hypertonic solution cell shrink due to movement of solute out of the cell.

Thus, the correct answer is option D. Osmosis.

5 0
3 years ago
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