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Sophie [7]
3 years ago
5

Which of the following organic molecules may have up to four levels of structure?

Biology
1 answer:
miskamm [114]3 years ago
3 0

Proteins have up to four levels of organic structure.

1.Primary structure -  the linear arrangement of amino acids.

2. Secondary structure - areas of folding or coiling within a protein.

3. Tertiary structure - the final three dimensional structure of a protein.

4. Quaternary structure - non covalent associations that bind multiple polypeptides into a single larger protein. E.g.  hemoglobin has four polymers, two alpha and two beta chains. They are non covalently bound to each other to form a single large protein - hemoglobin.

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The hemoglobin levels of neonates increase significantly during and following birth.
umka21 [38]

Answer: True.

Neonates haemoglobin level increase significantly during and following birth.

Explanation:

Neonates refers to a new born baby.

Haemoglobin is the protein in red blood cells that transport oxygen to the blood.

Haemoglobin continue to rise until two hours after birth this is because the infants require haemoglobin with high oxygen affinity which is needed for tissue oxygen and the baby might need to maximize oxygen intake following birth because its need to breath in air for respiration .

4 0
4 years ago
What is the role of certain bacteria in changing atmospheric nitrogen into a form usable by plants?
lora16 [44]

some bacteria called nitrogen fixers convert atmospheric nitrogen to ammonia

3 0
3 years ago
Two brothers have X‑linked red–green colorblind vision, and their parents have normal color vision. The first brother's karyotyp
zhenek [66]

Answer:

The answer is mother in meiosis II

Explanation:

nondisjunction can be defined as the failure of the segregation of the child chromosomes in meiosis I and meiosis II resulting in gametogenes. This results in abnormal gametes with some chromosomal imbalance being formed and subsequent fertilization of these gametes results in a generation of abnormal individuals.

According to exercise, red-green color blindness follows an X-linked recessive pattern and the phenotype is only expressed. the father cannot bring the possibility of color blindness to his children, and the nondisjunction, defined earlier, cannot occur in either meiosis I or meiosis II. As a conclusion we can say that it may have a place in meiosis I or meiosis II corresponding to the mother and although the mother's condition may be normal, the first child would be compromised with color blindness, therefore, the mother is the carrier.

3 0
4 years ago
The major source of building blocks for building new muscle and tissue are found in foods that contain ____.
Anastaziya [24]
The answer is protiens
5 0
3 years ago
Read 2 more answers
Will mark brainliest pls help asap very easy photosynthesis!! А) Water vapour is lost from leaves. Arrow P shows water vapour le
pentagon [3]

Answer

:Photosynthesis can be explained in four simple steps, as follows.

Step 1:  

The plant gathers sunlight from the chlorophyll in the cells to convert into energy.

Step 2:

The light energy then reactions and forms hydrogen and oxygen.

Step 3:

The hydrogen joins with carbon dioxide and create sugars.

Step 4:

The sugar is then separated, some to be used as the structure in the cell wall, and some stored in the ATP for later use.

Explanation:

5 0
3 years ago
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