Answer: Primary
Explanation: The primary level of protein structure explains the sequence of amino acid linked together by peptide bonds to form polypeptide chains . A slight change in the amino acid sequence of Hemoglobin can alter hemoglobin function.
The primary level of protein structure is essential in the function of the protein any alteration in the amino acid sequence can disrupt the function of the protein.
<span>Flakes or dry patches made up of excess dead epidermal cells are a known as scales. </span>
Answer:
Bb, Db
, Bd and Dd
Explanation:
When a cross between two parents (having certain trait) is carried out , they share their alleles with each other to produce offspring with new traits. These offspring have gentically different allele combination as compared to their parents. A genetic cross can be represented by a punnet square (as given below)
The cross between two parents with genotype "BD" and "bd" will result into the following offspring -
B D
b Bb Db
d Bd Dd
The right answers are complete gut and one-way gut.
Food is ingested by the mouth, where it is chewed and then thrown into the esophagus during swallowing.
After, there is food in the stomach
Then there is digestive absorption of nutrients in the small intestine
After that, Waste disposal and reabsorption of water in the colon (large intestine)
And finally, stool passes through the rectum (anus), where it is stored before defecation, induced by a reflex mechanism.