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Rudik [331]
3 years ago
5

Changes in hemoglobins's oxygen affinity are primarily the result of changes in the _____________ structure of the protein.

Biology
1 answer:
laiz [17]3 years ago
5 0
Protein.
primary structure
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What are regenerative cells ???​
Afina-wow [57]

Regenerative cells are specific types of cells that can be activated in order to restore organs and tissues back to a pre-existing normal state.

  • Stem cells are specific cells capable of generating new specialized types of cells, thereby allowing the regeneration of damaged tissues.

  • For example, hematopoietic stem cells can be used to generate new red blood cells whose function is to transport oxygen in the bloodstream.

  • Regenerative cells can be used in tissue engineering in order to restore the function and structure of damaged organs.

In conclusion, regenerative cells are specific types of cells that can be activated in order to restore organs and tissues back to a pre-existing normal state.

Learn more about regenerative cells here:

brainly.com/question/1040803

3 0
2 years ago
Read 2 more answers
Sickle-cell trait is caused by a single defective allele, but sickle-cell disease only occurs in individuals that are homozygous
Pavel [41]

Answer:

6,25%

Explanation:

Considering that the couple has a trait of sickle cell anemia, we know that both are heterozygous for the disease (Aa) and therefore can have children with the following genotypes:

Parents: Aa X Aa

Children: AA(A x A), Aa(A x a), Aa (a x A) and aa(a x a)

Knowing that sickle cell anemia only occurs in homozygous individuals, the probability for children to have the disease according to each crossing is:

A x A = 1/4 = 25%

A x a = 1/4 = 25%

a x A = 1/4 = 25%

a x a = 1/4 = 25%

The probability of forming each homozygous child (aa) is 1/4 or 25%. Since they are two children, the probability of both having sickle cell anemia is calculated by multiplying the probability of each, so:

1/4 × 1/4 = 1/16 = 0.0625 = 6.25%

It is concluded that the probability of a heterozygous couple for sickle cell anemia to have two children with the disease is 6.25%.

6 0
3 years ago
Need help soon as possible
Sonbull [250]

Answer: Negative

When converting from scientific notation to standard notation if the power of 10 is negative we move the decimal to the left. If it is positive we move the decimal to the right.

Example: 3*10^-3=.03 and 3*10^3=300

7 0
3 years ago
Read 2 more answers
Which TWO! statements describe how a sunflower and a rabbit obtain energy?
8090 [49]
The answer is a. plants get food from the sun in photosynthesis and an animal will eat that plant and another animal will eat that animal.
7 0
3 years ago
What evidence suggests that vertebrates are more closely related to echinoderms than are any other invertebrate phyla?
VMariaS [17]

Answer:

Option C, shared DNA sequences

Explanation:

Complete question -

What evidence suggests that vertebrates are more closely related to echinoderms than are any other invertebrate phyla?  

- shared patterns of development

- shared morphology

- shared DNA sequences

Solution

Vertebrates have true backbone while invertebrates lack true backbone. Among the invertebrates, the echinoderm phylum is closely related to vertebrates as the echinoderm possesses notochord (similar to backbone) during their early stage development which disappears later.  

Through the genomic sequence studies it has been found that echinoderms are similar to vertebrates in many ways. Echinoderms have diverged from deuterostomes along with human and hence pose some genetic similarity  which can be devised through study of common DNA sequences

Hence, option C is correct

5 0
3 years ago
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