ACTIVITY 1M NO DUE CHEMISTRY CONNECTION

Question 1

How many differences are there between the human insulin and insulin in pigs and cows?

Answer 1

eight

Question 2

Researchers have successfully introduced the gene for human insulin into plants, specifically this plant is knowns as?

Answer 2

safflower

Question 3

In terms of _________ structure, human insulin, pig, and bovine insulin are very similar.

Answer 3

tertiary

Question 4

This hormone regulates the blood glucose levels within the human body.

Answer 4

insulin

Question 5

Which of these statements about insulin is true?

Answer 5

Insulin assists the entry of blood glucose into cells by interacting with receptors on cell membranes.

Question 6

Which of the following is not a globular protein?

Answer 6

elastin

Question 7

When a permanent hair is administered, it is first treated with a reducing agent called __________ that breaks the disulfide linkages in hair.

Answer 7

ammonium thioglycolate

Question 8

Which of the following is not a fibrous protein?

Answer 8

insulin

Question 9

It is a partial or complete disorganization of protein’s characteristic three-dimensional shape.

Answer 9

protein denaturation

Question 10

16% to 18% of hair is composed of an amino acid called _________ and this disulfide linkages give hair protein its overall shape.

Answer 10

cysteine

Question 11

Which of the following animals have the presence of white breast meat

Answer 11

chickens

Question 12

The monomeric actin units associate to form a long polymer is called _________?

Answer 12

G-actin

Question 13

When meat is heavily salted with preservatives such as NaCl, NaNO2, and the likes, in the preparation of ham, the myoglobin picks up nitrate ions, and its color changes to __________.

Answer 13

pink

Question 14

The monomeric unit of actin is called ________?

Answer 14

G-actin

Question 15

In the structural characteristics of cyclosporine, seven of the amino acids residues have their nitrogen atoms methylated; that is, a _________ group has replaced the nitrogen’s hydrogen atom.

Answer 15

methyl

Question 16

In the structural characteristics of cyclosporine, one amino acid residue has a _________ rather than the normal __________ for amino acids.

Answer 16

L-configuration ; D-configuration

Question 17

The primary structure of cyclosporine is that a cyclic peptide contains ________ amino acid units.

Answer 17

11

Question 18

It is the principal carbohydrate in milk.

Answer 18

lactose

Question 19

A major antibody present in colostrum is a secretory immunoglobulin known as ________.

Answer 19

lgA

Question 20

A mother’s breast produces a foremilk called ________?

Answer 20

transitional milk

Question 21

It is an easily digested protein that is less stressful on the infant’s immature digestive system than are other proteins such as casein.

Answer 21

lactalbumin

Question 22

It offers protection against bacteria and other pathogens by binding the iron, thus making it unavailable to these agents, which require it for growth.

Answer 22

lactoferrin

Question 23

Studies show that HDL levels correlate ________ with heart disease risk.

Answer 23

inversely

Question 24

A cholesterol ratio of ________ is equivalent to an average heart disease risk.

Answer 24

4.0

Question 25

Studies show that LDL levels correlate ________ with heart diseases.

Answer 25

positively

Question 26

A cholesterol ratio of ________ is equivalent to a high heart disease risk.

Answer 26

4.5