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Total questions: 20

Worksheet time: 12mins

Name
Class
Date
1.

what functional group is this?

a)

ketone

b)

carboxylic acid

c)

alcohol

d)

phosphate

2.

which is NOT an essential element of life?

a)

water

b)

oxygen

c)

phosphorus

d)

nitrogen

e)

carbon

3.

what causes partial charges in polar covalent bonds?

a)

even sharing of electrons

b)

ionic bonding

c)

uneven sharing of electrons

d)

a lack or surplus of a full valence shell

4.

what is the bond that forms between two molecules of H2O?

a)

non-polar covalent bonding

b)

polar covalent bonding

c)

ionic bonding

d)

hydrogen bonding

5.

which of these bonds is the weakest?

a)

ionic bonding

b)

polar covalent bonding

c)

non-polar covalent bonding

d)

hydrogen bonding

6.

which is NOT a macromolecule of life?

a)

lipids

b)

proteins

c)

nucleic acids

d)

carbohydrates

7.

what is the monomer of a protein?

a)

nucleotide

b)

monosacchuride

c)

amino acid

d)

polysacchuride

8.

in biology, (a)   determines function.

9.

what are the 3 main components of a nucleotide?

a)

amino acid

b)

phosphate group

c)

protein

d)

sugar

e)

nitrogenous base

10.

is this lipid saturated or unsaturated?

a)

saturated

b)

unsaturated

11.

what does this organelle do?

a)

produce proteins

b)

produce lipids

c)

generate energy

d)

store DNA

12.

select everything that is found in a prokaryotic cell

a)

nucleus

b)

cell wall

c)

plasma membrane

d)

ribosomes

e)

mitochondria

13.

what do enzymes do in a reaction?

a)

slow down a reaction

b)

raise activation energy

c)

speed up a reaction

d)

lower activation energy

14.

in what type of enzyme inhibition is the active site covered?

a)

competitive

b)

feedback

c)

allosteric

d)

substrate

15.

fermentation : anaerobic, oxidative phosphorylation : (a)  

16.

select all that are steps in the calvin cycle

a)

reactivation

b)

reduction

c)

regeneration

d)

carbon fixation

e)

refixation

17.

what is the main goal of photosynthesis?

a)

use up carbon dioxide in the atmosphere

b)

release oxygen into the atmosphere

c)

create glucose to store energy

d)

use glucose to release energy

18.

during which process is the most ATP generated?

a)

glycolysis

b)

oxidative phosphorylation

c)

fermentation

d)

krebs cycle

19.

during which stage of meiosis does crossing over occur?

a)

prophase 1

b)

metaphase 1

c)

prophase 2

d)

metaphase 2

20.

a cell formed through fertilization is called a(n)

a)

sperm

b)

gamete

c)

ovum

d)

zygote

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