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wolverine [178]
2 years ago
7

What type of molecule is represented by the model below?

Biology
1 answer:
nasty-shy [4]2 years ago
6 0

Answer:

Nucleic Acid

Explanation:

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16. Which type of sediments would be most common where a river meets an ocean?
creativ13 [48]

Answer:

Sand, Silt and Clay

Explanation:

The sand is most coarse so it deposits easier and more often than the clay being finest, but there would still be clay just less of it than sand

5 0
3 years ago
The allosteric inhibitory effector BPG binds to both the A form and the F form. Both forms show a lower affinity for O2 in the p
Dmitry [639]

Answer:

HbA; lowers

Explanation:

The BPG in our blood stands for Bisphosphoglyceric acid. It is known as by its name as 2,3-Bisphosphoglyceric acid. It is present in our blood in the red blood cells. It binds with more affinity towards the de-oxygenated hemoglobin as compared to the  oxygenated hemoglobin.

Hemoglobin in blood delivers oxygen to our tissues moire efficiently. It is abbreviated as Hb.

Thus BPG binds more tightly towards HbA or adult hemoblobin and which lowers the affinity for oxygen.

5 0
3 years ago
What is mutation? why are mutations more serious when they occur in a sex cell?​
Lady_Fox [76]

Answer:

A mutation is the changing of the structure of a gene, resulting in a variant form that may be transmitted to subsequent generations, caused by the alteration of single base units in DNA, or the deletion, insertion, or rearrangement of larger sections of genes or chromosomes. Mutations in sex cells are more serious because they are heritable and affect the next generation.

Explanation:

5 0
3 years ago
How can osteocytes remain alive within bone? Select one: Osteocytes have membrane extensions that protrude from bone and allow t
Alisiya [41]

Answer:

Haversian canals are bone structures that contain blood vessels that provide materials for the osteocytes

Explanation:

Through this Harvesian canals, blood vessels that contain the necessary nutrients for their growth and development are brought which keeps them alive

7 0
3 years ago
Read 2 more answers
Populations of coastal lodgepole pine are separated along an environmental gradient of soil pH that changes from neutral pH near
77julia77 [94]

Answer:

Parapatric speciation  

Explanation:

There are different types of speciation. Parapatric speciation consists of new species evolving from a continuous distribution. That is, there is no physical barrier that might impede the gene flow,  in fact, it might continue during the speciation process.  

There is an environmental gradient that determines different phenotypes for different environmental conditions. One phenotype is more adapted to one of the distribution extremes than the other phenotype. In the exposed case, the environmental gradient is given by the differences in pH.

In the border between the environmental extremes, there is the primary hybrid zone, where both phenotypic forms might meet and hybridize.

   

7 0
3 years ago
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