Reg S
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Quiz on A&P Quiz, created by Reg S on 21/09/2018.

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Question 1 of 50

1

1. Which subatomic particle is located in the nucleus of an atom?

Select one of the following:

  • a. proton

  • b. electron

  • c. neutron

  • d. a and b

  • e. a and c

Explanation

Question 2 of 50

1

Atoms of the same element with different charges are

Select one of the following:

  • a. ions

  • b. nucleons

  • c. isotopes

  • d. acids

Explanation

Question 3 of 50

1

3. Sodium is atomic number 11. If it gives up an electron it will become:

Select one of the following:

  • a. an isotope

  • b. an acid

  • c. a cation

  • d. an anion

Explanation

Question 4 of 50

1

Elements are identified by their number of :

Select one of the following:

  • a. protons

  • b. electrons

  • c. neutrons

  • d. nucleons

Explanation

Question 5 of 50

1

T or F If two atoms have different atomic numbers, they may be isotopes of each other.

Select one of the following:

  • True
  • False

Explanation

Question 6 of 50

1

Which of these is NOT a main element found in the body?

Select one of the following:

  • a. Sodium

  • b. carbon

  • c. oxygen

  • d. nitrogen

Explanation

Question 7 of 50

1

When two atoms of the same element are bonded, it is called a:

Select one of the following:

  • d. ion

  • c. molecule

  • b. compound

  • a. miracle

Explanation

Question 8 of 50

1

When two atoms share a pair of electrons equally, it is a ____________ bond:

Select one of the following:

  • a. ionic

  • b. non-polar covalent

  • c. polar covalent

  • d. hydrogen

Explanation

Question 9 of 50

1

Which of these does NOT influence the rate of a chemical reaction?

Select one of the following:

  • a. temperature

  • b. concentration

  • c. catalysts

  • d. a and b

  • e. a, b, c

Explanation

Question 10 of 50

1

Which type of reaction is the following?
AB >> A + B

Select one of the following:

  • a. synthesis

  • b. decomposition

  • c. exchange

  • d. oxidation

Explanation

Question 11 of 50

1

The water molecule is held together by ___________ bonds:

Select one of the following:

  • a. ionic

  • b. non-polar covalent

  • c. polar covalent

  • d. hydrogen

Explanation

Question 12 of 50

1

Substances that increase the rate of chemical reactions while remaining unchanged are:

Select one of the following:

  • a. catalysts

  • b. enzymes

  • c. anti-oxidants

  • d. a and b

  • e. a,b,c

Explanation

Question 13 of 50

1

13. A compound that can accept a proton (H+) when placed in water is a:

Select one of the following:

  • a. acid

  • c. anti-oxidant

  • d. hydration sphere

  • b. base

Explanation

Question 14 of 50

1

A salt can have which of the following?

Select one of the following:

  • a. H+

  • b. K+

  • c. OH-

  • d. a and b

  • e. a and c

Explanation

Question 15 of 50

1

5. Which carbohydrate monomer is the most common in living organisms?

Select one of the following:

  • a. fructose

  • b. galactose

  • c. Fructose

  • d. Glucose

Explanation

Question 16 of 50

1

16. Which disaccharide is composed of glucose plus galactose?

Select one of the following:

  • a. maltose

  • b. lactose

  • c. Sucrose

  • d. ribose

Explanation

Question 17 of 50

1

17. Where might we find glycogen in the human body?

Select one of the following:

  • a. muscle

  • b. liver

  • c. fat cells

  • d. a and b

  • e. b and c

Explanation

Question 18 of 50

1

18. Which of these is NOT a function for proteins?

Select one of the following:

  • a. adhesion

  • b. cell signalling

  • c. receptors

  • d. energy storage

Explanation

Question 19 of 50

1

T or F The sodium pump moves potassium from a high concentration to a low concentration.

Select one of the following:

  • True
  • False

Explanation

Question 20 of 50

1

20. An unsaturated fat has a ___________ bond between at least two carbons.

Select one of the following:

  • a. ionic

  • b. polar covalent

  • c. non-polar covalent

  • d. double covalent

Explanation

Question 21 of 50

1

Triglycerides have three fatty acids attached to a _____________ molecule.

Select one of the following:

  • a. carbon

  • b. glycerol

  • c. protein

  • d. glucose

Explanation

Question 22 of 50

1

22. Steroid molecules are all derivatives of :

Select one of the following:

  • a. testosterone

  • b. estrogen

  • c. Cortisol

  • d. Cholesterol

Explanation

Question 23 of 50

1

3. Which of these is NOT a function of lipids?

Select one of the following:

  • a. energy storage

  • b. enzymes

  • c. membrane component

  • d. vitamins

Explanation

Question 24 of 50

1

Which monomers make up proteins?

Select one of the following:

  • a. fatty acids

  • b. nucleic acids

  • c. amino acids

  • d. any acids

Explanation

Question 25 of 50

1

Which of these is NOT a nucleotide?

Select one of the following:

  • a. ATP

  • b. GTP

  • c. cAMP

  • d. DNA

Explanation

Question 26 of 50

1

Which of the following is NOT a major component of cell membranes?

Select one of the following:

  • a. phospholipids

  • b. amino acids

  • c. proteins

  • d. cholesterol

Explanation

Question 27 of 50

1

Which type of junction allows passage between cells (not from the inside of one cell to the inside of another)?

Select one of the following:

  • a. tight junctions

  • b. desmosomes

  • c. gap junctions

  • d. a and b

Explanation

Question 28 of 50

1

Which of these is NOT involved in facilitated diffusion?

Select one of the following:

  • a. movement from high concentration to low

  • b. protein helper

  • c. ATP

  • d. all are needed

Explanation

Question 29 of 50

1

Which of these molecules can cross the membrane by simple diffusion?

Select one of the following:

  • a. water

  • b. small ions

  • c. glucose

  • d. small proteins

Explanation

Question 30 of 50

1

A cell is placed in a solution. Over time the cell begins to shrink. The solution is:

Select one of the following:

  • a. isotonic

  • b. hypertonic

  • c. hypotonic

  • d. isoosmotic

Explanation

Question 31 of 50

1

The sodium–potassium pump (Na-K-ATPase; sodium pump) produces which situation?

Select one of the following:

  • a. high sodium inside, high potassium concentration outside cell

  • b. high sodium and potassium inside cell

  • c. high sodium and potassium outside cell

  • d. high potassium inside, high sodium concentration outside cell

Explanation

Question 32 of 50

1

Which type of molecules can diffuse across a lipid bilayer?

Select one of the following:

  • a. small, polar

  • b. small ions

  • c. lipids

  • d. all can

Explanation

Question 33 of 50

1

Which organelle is the site of ATP production/energy conversion?

Select one of the following:

  • a. Golgi

  • b. mitochondria

  • c. ER

  • d. Centriole

Explanation

Question 34 of 50

1

. Which organelle is the main site of protein production?
a. rough ER b. mitochondria c. ribosome d. Golgi

Select one of the following:

  • a. rough ER

  • b. mitochondria

  • c. ribosome

  • d. Golgi

Explanation

Question 35 of 50

1

What protein is needed to be in the membrane for endocytosis to occur?

Select one of the following:

  • a. colchicines

  • b. clathrin

  • c. collagen

  • d. microtubules

Explanation

Question 36 of 50

1

Which organelle is involved in modifying and packaging molecules for transport within and to the outside of the cell ?

Select one of the following:

  • a. ribosomes

  • b. mitochondria

  • c. golgi

  • d. centriole

Explanation

Question 37 of 50

1

Which cytoskeletal elements are composed of tubulin?

Select one of the following:

  • a. microtubules

  • b. microfilaments

  • c. intermediate fibers

  • d. all are

Explanation

Question 38 of 50

1

Which of these is NOT part of the endomembrane system?

Select one of the following:

  • a. Golgi

  • b. ER

  • c. Nuclear membrane

  • d. all are part of the system

Explanation

Question 39 of 50

1

Where are ribosomes formed?

Select one of the following:

  • a. nucleolus

  • b. centrosome

  • c. golgi

  • d. cilia

Explanation

Question 40 of 50

1

Which of these would NOT be a function for a lysosome?

Select one of the following:

  • a. formation of lipids

  • b. destroying bacteria

  • c. breaking down bone

  • d. recycling organelles

Explanation

Question 41 of 50

1

What is produced in the smooth ER

Select one of the following:

  • a. ribosome

  • b. proteins

  • c. DNA

  • d. lipids

Explanation

Question 42 of 50

1

A cell replicates its DNA/chromosomes during:

Select one of the following:

  • a. G1

  • b. S

  • c. G2

  • d. Mitosis

Explanation

Question 43 of 50

1

T or F The receptors which are linked to “G” proteins both bind to hormones and cause those hormones to enter the cell.

Select one of the following:

  • True
  • False

Explanation

Question 44 of 50

1

. T or F Cell membranes have proteins in them, some of which are enzymes.

Select one of the following:

  • True
  • False

Explanation

Question 45 of 50

1

. What occurs during G1 of the cell cycle?

Select one of the following:

  • a. growth for functioning

  • b. DNA replication

  • c. growth for division

  • d. separation of chromosomes

Explanation

Question 46 of 50

1

T or F TSH is released from the hypothalamus and causes the pituitary to produce TRH.

Select one of the following:

  • True
  • False

Explanation

Question 47 of 50

1

What occurs during metaphase?

Select one of the following:

  • a. spindles form

  • b. chromosomes line up in a straight line

  • c. chromosomes are pulled apart

  • d. new nuclei form

Explanation

Question 48 of 50

1

48. Which would occur with hyperthyroidism?

Select one of the following:

  • Cold intolerance

  • b. weight gain

  • c. sluggishness

  • d. none is correct

Explanation

Question 49 of 50

1

T or F The main hormone produced by the thyroid gland is T3, but the most active hormone is T4.

Select one of the following:

  • True
  • False

Explanation

Question 50 of 50

1

The structural and functional unit of life is:
a. atom b. molecule c. cell d. tissue

Select one of the following:

  • a. atom

  • b. molecule

  • c. cell

  • d. tissue

Explanation