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S_A_V [24]
3 years ago
12

A dihybrid cross ss tt × ss tt is made in which s is dominant, but there is no dominance between t and t. assuming independent a

ssortment, how many phenotypic classes are expected in f2

Biology
1 answer:
WARRIOR [948]3 years ago
3 0
Answer is attached in file, read it.

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Todd's father slipped a disk in his back. Dr. Foster explained to the family that the intervertebral disks are composed of _____
vichka [17]

Answer:

D. Fibrocartilage

Explanation:

In order to understand the question, we need to review the structure of intervertebral discs.

Intervertebral discs consist of two parts:

  • <u>NUCLEUS PULPOSUS:</u>

It forms the central part of the intervertebral disc and consists of mucoid substance.

  • <u>ANNULUS FIBROSUS:</u>

It is composed of encircling layers of fibrocartilage and fibrous tissue surrounding the nucleus pulposus

<u>SLIPPED DISC:</u>

It is characterized by the protrusion of nucleus pulposus through the annulus fibrosus accompanied by the compression of spinal nerves.

Patient may present with loss of sensory sensations or pain or both.

<u>CORRECT ANSWER:</u>

From the above review, the correct answer is <u>D. fibrocartilage</u> as it forms the annulus fibrosus.

5 0
3 years ago
Which of the following allows a cell to become specialized?
PSYCHO15rus [73]
The answer your looking for is B different patterns of gene expression
5 0
3 years ago
Which cell population of WBCs migrate to sites of injury and cross the capillary wall to accumulate within damaged tissues, wher
Harman [31]

Answer:

The correct answer is -  Basophils

Explanation:

Basophils are one of the granulocytes of WBC. The basophils move to site of damaged tissue. They cross the capillary endothelium and gathred in the damaged tissues. They discharge their granules into the interstitial fluids.

The granules which is secreted by basophils includes histamine, heparin, and serotonin.The histamine dilates blood vessels, the heparin prevents blood clotting.

These chemicals into the interstitial fluids enhances the inflammation initiated by mast cells.  

5 0
3 years ago
In the case of the competitive inhibitor, we said that both k1 and KM are altered by that inhibitor. Since an uncompetitive inhi
umka21 [38]

Answer:

No changes occur to the K1 value, its concentration remains higher than the concentration of the inhibitor and enzyme inhibitor complex

Explanation:

Uncompetitive inhibition is an example of a reversible inhibition. Reversible inhibitors bind to enzymes by weak non-covalent bonding. Thus the formation and dissociation of this association is rapid. uncompetitve inhibition lowers the Vmax and Km.

7 0
3 years ago
(20 Points) to whoever solves this CORRECTLY!
Firdavs [7]

Answer:

D

Explanation:

5 0
3 years ago
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