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Question 1

It states that allele pairs segregate during gameteogensis and reunite randomly during the fertilization process

Answer 1

Law of segregation

Question 2

Can decode mRNA and assemble amino acids for protein synthesis

Answer 2

Ribosomes

Question 3

The number of protons is the same as

Answer 3

Atomic number

Question 4

The number of protons in the nucleus is the defining property of an element

Answer 4

True

Question 5

A lipid or fat molecule can be broken down into fatty acids and

Answer 5

Glycerol

Question 6

Which of the following prefixes would likely be the most appropriate for measuring the weight of a 2500 g kitten

Answer 6

Kilo

Question 7

Which of these bonds would we see between nitrogenous bases

Answer 7

Hydrogen bonds

Question 8

Which of the following is the most accurate description of the link between chromosomes and DNA ?

Answer 8

Chromosomes include numerous genes, each of which is made up of a DNA sequence

Question 9

Which of the following statements about diffusion is true ?

Answer 9

Is a passive process
Is the net movement of molecules from a region of higher concentration to an area of lower concentration

Osmosis is an example of diffusion

Gas exchange in tissues is an example of diffusion

Question 10

Which of the following hormones is not increased in response to dehydration

Answer 10

Erythropoietin

Question 11

In which segment of the nephron is glucose reabsorbed

Answer 11

Proximal convoluted tubule

Question 12

Correct sequence in which air is inhaled through the respiratory tract

Answer 12

Nasal cavity
Pharynx
Larynx
Trachea
Bronchi
Bronchioles

Question 13

The _______ is the blood vessel that carries oxygen depleted blood away from the heart

Answer 13

Pulmonary artery

Question 14

Which of the following statements is true about viruses

Answer 14

Viruses will have either DNA or RNA as their generic material but not both

Question 15

The respiratory system is composed of organs that facilitate gas exchange between the blood and the external environment. Which of the following describes the group of organs that function during gas exchange ?

Answer 15

Organ system

Question 16

Which of the following is the process by which gametes divide and produce half the number of chromosomes found in a somatic cell

Answer 16

Meiosis

Question 17

The difference between compact bone and spongy bone

Answer 17

Spongy bone is lighter than compact bone

Question 18

Anatomical position

Answer 18

Upright, arms at sides, palms facing anteriorly

Question 19

Which of the following is a substance that the kidneys remove from the blood during filtration

Answer 19

Salts

Question 20

Which of the following does not describe the dermis

Answer 20

The layer of the skin where the cells containing the pigment melanin are found

Question 21

A vascular layer of skin
The thickest layer of the skin
The layer of the skin that contains the network of capillaries necessary for thermoregulation

Answer 21

Dermis

Question 22

T lymphocytes mature and become functional in which of the following organs

Answer 22

Thymus

Question 23

Which of the following is not true about thermoregulation

Answer 23

Contraction of arrector pilli muscles facilitates vasodilation

Question 24

Which of the following is correct about muscle contraction

Answer 24

Muscle contraction requires ATP
Neurotransmitters stimulate muscle contraction
Sarcomere shorten during contraction
Actin and myosin filaments slide past each other

Question 25

Which of the following is NOT true about reproductive hormones

Answer 25

LH is produced by the posterior pituitary gland FSH and LH are produced in the anterior pituitary gland

Question 26

Which of the following comparisons between arteries and veins is true ?

Answer 26

Veins have valves and arteries do not

Question 27

Melatonin is produced in which gland

Answer 27

Pineal

Question 28

Gas exchange between the blood and alveoli would be enhanced by _________, but impeded by _________

Answer 28

Increased alveolar surface

Question 29

Which of the following is true of insulin and glucagon

Answer 29

The pancreas secretes insulin and glucagon Insulin and glucagon regulate the level of glucose in the blood Insulin and glucagon have opposite effects on blood glucose but work together to maintain homeostasis

Question 30

The majority of nutrient absorption occurs in the

Answer 30

Small intestine

Question 31

Sperm channel from epididymis to the penis Copulatory organ of the female Implantation site of the zygote External sex organ of a male

Answer 31

Vas Deferens Vagina Uterus Penis

Question 32

Which of the following causes bone matrix resorption during bone growth and remodeling

Answer 32

Osteoclasts

Question 33

Which of the following antigen specific immune cells produce cytokines, which facilitate various immune reactions

Answer 33

Helper T cells

Question 34

Functions of the epidermis

Answer 34

It protects underlying tissues from abrasions It protects underlying tissues from chemicals It functions as a major component of the innate immunity

Question 35

Movement of molecules in a substance depends on ______ energy

Answer 35

Heat

Question 36

They form between a partial positively charged region on one molecule and the partial negatively charged region on another molecule

Answer 36

Hydrogen bonds

Question 37

Enzymes are biological catalysts that

Answer 37

Increase rate of any given reaction

Question 38

Why are control groups used in experiments

Answer 38

To minimize the effect of variables