Biology 11/30

Question 1

Name the three types of RNA and their function

Answer 1

mRNA: carriers genetic material the nucleus to the ribosome
tRNA: brings amino acids to ribosomes
rRNA: forms ribosomes

Question 2

What is a codon?

Answer 2

3 nucleotides = 1 codon

Question 3

What organelles make proteins ?

Answer 3

Ribosomes

Question 4

What chemical process provides most of the energy used by life on earth?

Answer 4

Photosynthesis

Question 5

Photosynthesis equation?

Answer 5

co2 HO2 sunlight C6H1206 O2

Question 6

What are two traits of lights dependent reactions?

Answer 6

Can only occur in the daytime

Fills battery molecules with the energy from sunlight

Question 7

What are two traits of both light dependent and independent reactions?

Answer 7

Transfers solar energy into chemical energy

Occurs only in producers

Question 8

What are two traits of light independent reactions?

Answer 8

Can occur in daytime or night

Empties the energy of battery molecules into sugar

Question 9

What is the function of light in photosynthesis?

Answer 9

Energizes electrons

Question 10

In what organelle does photosynthesis occur?

Answer 10

Chloroplast

Question 11

Example of long term and short term molecule

Answer 11

Long term: sugar

Short term: ATP

Question 12

In what organelle does cellular respiration occur?

Answer 12

Mitochondria

Question 13

Cellular respiration equation ?

Answer 13

C6H12O6 O2 CO2 H2O

Question 14

Difference between aerobic and anatomical respiration?

Answer 14

aerobic requires oxygen and anaerobic does not

Question 15

What kind of fermentation does yeast use?

Answer 15

Alcoholic

Question 16

What produces the most ATP from a single sugar molecule?

Answer 16

Aerobic

Question 17

What converts NADH back into NAD+, without collecting energy?

Answer 17

Fermentation: anaerobic

Question 18

Splits a 6 carbon sugar into two 3 carbon molecules, and produces 2 ATP

Answer 18

Glycolysis: anaerobic and aerobic

Question 19

Converts NADH into ATP

Answer 19

Electron transport chain: aerobic

Question 20

Recycles 3 carbon product of glycolysis by splitting carbon-carbon bonds and releasing energy. Also produces co2

Answer 20

Kreb’s cycle aerobic