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kow [346]
2 years ago
7

In sickle-cell disease, as a result of a single amino acid change, the mutant hemoglobin tetramers associate with each other and

assemble into large fibers. Based on this information alone, we can conclude that sickle-cell hemoglobin exhibits ________.
Biology
1 answer:
alekssr [168]2 years ago
6 0

Answer:

Disruption in the primary and quaternary structure.

Explanation:

The sickle cell anemia may be defined as the change in the amino acid at sixth position. Valine is present instead of glutamic acid in beta chain due to the point mutation in the nucleotide sequence.

The mutation causes the association of tetramers in the large fibers, this indicates that the quaternary structure of protein has been altered. This alteration must have occur due to the change in the amino acid sequence in the primary structure of the protein. Secondary or tertiary structure might or might not be altered in this mutation.

Thus, the correct answer is the alteration in the primary and quaternary structure.

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which of the following fields of science supports evolution? a. astronomy b.geology c.biology d. all of these
lara [203]

Answer:

Explanation:

biology of your talking about life evolution but all if your talking about mankind evolution and technology

5 0
3 years ago
"which body cavity would be opened for a total knee joint replacement"
Xelga [282]

Answer;

-Synovial cavity

Explanation;

-The synovial cavity/joint is filled with synovial fluid. A synovial joint contains a synovial cavity and dense, irregular connective tissue that forms the articular capsule normally associated with accessory ligaments.

-A synovial joint occurs at articulating bones to allow movement. It is distinguished by a surrounding synovial capsule.The bones of a synovial joint are surrounded by a synovial capsule, which secretes synovial fluid to lubricate and nourish the joint while acting as a shock absorber.

7 0
3 years ago
Which two of the following best describes what is happening in the picture?
MrRissso [65]

Answer:

A and D I think

Explanation:

It's not erosion, so that is out of the answer choices. And I doubt it is crystallization, so that is why I think it is A and D. (correct me if I am wrong.)

8 0
2 years ago
HELPPPP !! NEED HELP ASAPPP !!!
hram777 [196]

A thorough soil analysis

Explanation:

A through soil analysis must be included in Jordan's report in order to ascertain is findings.

Since he seeks to determine the effect of various soil pH on plant growth, it is pertinent he performs a pH analysis of the soil.

  • The soils pH is the independent variable. It is the cause of the varying plant growth according to the hypothesis he must have formulated,.
  • The dependent variable is the pant growth.
  • It will be incomplete to exclude the soil analysis report from his findings.

The soil is the component that contains the minerals that conditions pH.

Learn more:

Experiment brainly.com/question/5096428

#learnwithBrainly

6 0
2 years ago
List the cell cycle in correct order
goblinko [34]

Answer:

Prophase, metaphase, anaphase, telophase

Explanation:

3 0
3 years ago
Read 2 more answers
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