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Ber [7]
4 years ago
7

According to the ______________ theory, a population may go long periods of genetic stability, interspersed with short periods o

f extreme evolutionary change
Biology
2 answers:
damaskus [11]4 years ago
4 0

C. Punctuated Equilibrium

ikadub [295]4 years ago
3 0
<span>This theory is called punctuated equilibrium. In this theory it is explained that there are very long periods of no change at all to a species, yet there are also bursts of evolutionary change interspersed within the time period. The period of remaining the same throughout time (most of the time) is called stasis, and is present within this theory of punctuated equilibrium.</span>
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Is Algae considered a heterotroph or an autotroph? ​
Dmitry [639]

Answer:

it's considered autotrophic ;)

7 0
3 years ago
The locomotion of fibroblasts in culture is immediately halted by the drug cytochalasin, whereas colchicine causes fibroblasts t
IgorC [24]

Answer:

Vimenin has no affect.

Cytochalasin interferes with actin filament formation;

Ccolchicine shows that microtubules are required to give a cell a polarity that the determines which end becomes the leading edge.

Explanation:

These observations suggest to me that

  • Vimenin has no affect.
  • Cytochalasin interferes with actin filament formation;
  • Colchicine shows that microtubules are required to give a cell a polarity that the determines which end becomes the leading edge.
5 0
3 years ago
A __________ is a crack in the Earth's crust typically associated with, or form, the boundaries between Earth's tectonic plates.
aalyn [17]

Answer:

Fault

Actually, faults are fractures in Earth's crust where rocks on either side of the crack have slid past each other. Sometimes the cracks are tiny, as thin as hair, with barely noticeable movement between the rock layers

Explanation:

6 0
3 years ago
Read 2 more answers
Which of the following best describes the significance of the TATA box in eukaryotic promoters?
ankoles [38]

Answer:

The correct option is A.

Explanation:

TATA box refers to a  non coding sequence of DNA that is found in the promoter regions of eukaryotic genes. The TATA box serves as the binding sites for certain proteins and some transcriptions factors in eukaryotic genes; it signifies the points where transcription begins. Transcription is the process by which the genetic information in DNA is replicated into an mRNA. This is the first step in protein synthesis.  The name TATA was derived from the nucleotide bases that are always present in large number a the site. T stands for thymine while A represents the adenine base.  

8 0
3 years ago
True or False? (circle one)<br> Skin, hair, and nails are all made of keratin.
elena-14-01-66 [18.8K]

It contains connective tissue, nerve endings, and hair follicles. Subcutaneous tissue is the third layer of the skin. Located beneath the dermis and epidermis, it is mostly fat. These skin cells produce the protein keratin, the basic structural component of hair and nails.

So I would say True.

Hope This Helps!              Have A Nice Day!!

4 0
3 years ago
Read 2 more answers
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