self MC Quizzes

Question 1

Identify the function group from A to G

Answer 1

A- Hydroxyl
B- Methyl
C- Keto
D- Carboxyl
E- Amine
F- Phosphate
G- Sulfhydrl

Question 2

What is glycogen

Answer 2

A polysaccharide found in animals that’s used as a way of storing glucose

Question 3

What’s this compound

Answer 3

Adenosine triphosphate

Question 4

What’s this compound

Answer 4

Testosterone

Question 5

What’s this compound

Answer 5

Tyrosine

Question 6

Epimers can be described as…

Answer 6

Sugars that differ in the position of a hydroxyl group at only one of their asymmetric carbons

Question 7

What this structure

Answer 7

A fatty acid with two cis double bonds

Question 8

The differences between DNA and RNA include

Answer 8

DNA is generally double stranded, has deoxyribose in its sugar-phosphate backbone and contains thymine instead of uracil
RNA is generally single-stranded, has ribose in its sugar-phosphate backbone and contains uracil instead of thymine

Question 9

The three-dimensional shape of a protein is best described as its

Answer 9

Tertiary structure

Question 10

What components are required to make a nucleotide?

Answer 10

A nitrogen-containing base, a phosphate group and a sugar

Question 11

Name this compound

Answer 11

Lactose

Question 12

A theory is defined as

Answer 12

A well-substantiated, and testable, explanation for a phenomenon that allows us to make predictions of what we would observe if the theory was true

Question 13

A positive control is used to

Answer 13

ensure that all the elements of an experiment are performing as required, giving confidence in the validity of the experimental result

Question 14

How many micrometres (microns) are there in 1 metre?

Answer 14

1 000 000

Question 15

Convert 38 nanometres into millimetres

Answer 15

0.000038 mm

Question 16

Which of the following is not a domain of life on Earth?

Answer 16

Virus

Question 17

Most cell diameters are in the range

Answer 17

1 -100 um

Question 18

A light microscope is best used to

Answer 18

observe living specimens

Question 19

A transmission electron microscope is best used to

Answer 19

study intracellular structures at high resolution

Question 20

A scanning electron microscope is best used to

Answer 20

observed detailed surface structures on a cell

Question 21

Name the function of the organelle:
1. Golgi Apparatus
2. Lysosome
3. Smooth ER
4. Nucleus
5. Rough ER
6. Mitochondria
7. Vacuole
8. Cytoskeleton
9. Chloroplast
10. Cilia/flagella

Answer 21

Question 22

The organelles that give flowers their colour are called

Answer 22

chromoplasts

Question 23

The endomembrane system contains

Answer 23

endoplasmic reticulum, Golgi apparatus, lysosomes, vacuoles

Question 24

What’s entropy

Answer 24

a measure of the amount of disorder in a system

Question 25

What’s this reaction: sucrose + H2O -> glucose + fructose + energy

Answer 25

A Catabolic

Question 26

Autotrophs are organisms that

Answer 26

make energy-containing organic molecules from inorganic raw materials using an energy source such as light

Question 27

Mathematically, how can the relationship between enthalpy (H), free energy (G) and entropy (S) in a biochemical reaction be expressed?

Answer 27

∆G = ∆H - T∆S

Question 28

The second law of thermodynamics states that

Answer 28

the universe tends towards disorder

Question 29

Exergonic reactions are those in which

Answer 29

∆G is negative

Question 30

Endergonic reactions are those in which

Answer 30

∆G is positive

Question 31

If the second law of thermodynamics states that all systems in the universe tend towards disorder, how is it that biological systems are able to maintain a high degree of order?

Answer 31

The creation of order in biological systems is coupled to the generation of disorder

Question 32

Nicotinamide adenine dinucleotide (NAD+/NADH) and nicotinamide adenine dinucleotide phosphate (NADP+/NADPH) are different in that

Answer 32

NADPH is used mostly in anabolic reactions while NADH is used in catabolic reactions

Question 33

The energy in adenosine triphosphate (ATP) is stored in

Answer 33

the phophoanhydride bond between the second and third phosphate groups