Questions wrongs - biology

Question 1

Which of the following describes when a cofactor is covalently bound to an enzyme

Answer 1

prosthetic group

Question 2

Which of the following best describes anabolism?

Answer 2

the synthesis of molecules that requires energy

Question 3

All of the chemical processes in the human body that sustain life is known as _______________.

Answer 3

Metabolism

Question 4

Which of the following describes metabolism?

Answer 4

A group of anabolic and catabolic reactions that produce energy

Question 5

In the body, which of the following experiences cooperativity?

Answer 5

Hemoglobin

Question 6

Which of the following best describes the ability of enzymes to catalyze reactions?

Answer 6

Decrease activation energy

Question 7

If a Km value of an enzyme is elevated, then the __________.

Answer 7

Substrate does not bind to the enzyme well

Question 8

In order to counteract competitive inhibition, which of the following can be done?

Answer 8

increase substrate concentration

Question 9

A substance binds to an allosteric site of an enzyme, preventing the needed chemical reaction from going through completion. Which of the following is occurring to the enzyme?

Answer 9

non-competitive inhibition

Question 10

Which of the following is an enzyme used by the human body?

Answer 10

pepsin

Question 11

If the Km value of an enzyme is small, which of the following best represents what is occurring?

Answer 11

enzyme requires a small amount of substrate

Question 12

How do u know which cleavage a cell will undergo

Answer 12

It depends on the amount of yolk found within the cell

Question 13

what process does sea urchins undergo during cleavage

Answer 13

Holoblastic Cleavage

Question 14

In a resting adult, approximately how much blood are in the vessels of the human dermis?

Answer 14

10%

Question 15

The epidermis relies on which of the following for oxygen and nutrients?

Answer 15

Dermis

Question 16

Which of the following epidermal layers is only present on the fingertips and feet?

Answer 16

Stratum Lucidum

Question 17

The stratum granulosum releases hydrophobic lipids via _______.

Answer 17

Lamellar Bodies

Question 18

Which of the following contributes to the flexibility of the epidermis?

Answer 18

stratum Spinosum

Question 19

The stratum spinous is held together with _______.

Answer 19

Desmosomes

Question 20

As keratinocytes rise to the uppermost layer, they _______.

Answer 20

Lose organelles

Question 21

Which of the following is the most abundant protein in the epidermis?

Answer 21

Keratin

Question 22

Which of the following epidermal cells plays a role in the immune system?

Answer 22

Langerhans cells

Question 23

Langerhans cells are found in the _______.

Answer 23

Stratum Spinous

Question 24

The dermal structure is associated with all the following EXCEPT one. Which one is the EXCEPTION?

Answer 24

Keratinocytes

Question 25

Which region in the dermis provides resources for the epidermis?

Answer 25

Papillary region

Question 26

Stretch marks after rapid skin stretching are rips in the _______.

Answer 26

Dermal region

Question 27

Which gland keeps the skin acidic to prevent bacterial growth?

Answer 27

Sebaceous glands

Question 28

Which of the following glands aids in reducing urea in the body?

Answer 28

Ceruminous glands

Question 29

Which of the following sudoriferous glands are in the armpits and pubic region?

Answer 29

Apocrine glands

Question 30

Apocrine glands are physically associated with all the following EXCEPT one. Which one is the EXCEPTION?

Answer 30

Soles

Question 31

Acne is caused by a blockage of _______.

Answer 31

sebaceous glands

Question 32

The process of chemiosmosis in plants occurs across the chloroplasts’ __________. A. Outer membrane B. Intermembrane space C. inner membrane D. Thylakoid membrane E. Stroma

Answer 32

Thylakoid membrane

Question 33

Suppose a toxin causes ATP synthase to become dysfunctional during photosynthesis. Which of the following is a possible side-effect? A. Protons will not be able to move from the thylakoid lumen to the stroma B. Protons will not be able to move from the Stroma to the Thylakoid Lumen C. Electrons will not be able to move from the Thylakoid Lumen to the Struma D. Electrons will not be able to move from the stoma to the Thylakoid lumen E. Light will not be able to be absorbed by the thylakoid membrane

Answer 33

Protons will not be able to move from the thylakoid lumen to the stroma