biology

Question 1

what is reduced and oxidized in cellular respiration

Answer 1

C6H12O6 is oxidized to 6CO2

6O2 is reduced to 6H2O

Question 2

what is reduced and oxidized in photosynthesis

Answer 2

6CO2 is reduced to C6H12O6

6H2O is oxidized t 6O2

Question 3

Dna replication, direction of strands

Answer 3

leading strand moves wth replication fork, lagging strand moves away

Question 4

if you denature all of the hydrogen bonds in a protein, what structure will remain

Answer 4

primary

Question 5

in the endomembrane system, protein is secreted by

Answer 5

ER>Golgi>vehicle>plasma membrane

Question 6

white blood cells engulf viruses through what process

Answer 6

phagocytosis

Question 7

2 heterozygote having a nondominant child

Answer 7

25%

Question 8

what is the importance of the cell cycle checkpoints

Answer 8

all of the above

Question 9

why do DNA bound viruses have less mutations than RNA viruses

Answer 9

DNA viruses have less mutations because they have more proofreading done on them

Question 10

what is an example of a peptide bond

Answer 10

2 amino acids coming together

Question 11

why do unsaturated fatty acids stay fluid at room temperature

Answer 11

they have kinked double bonds

Question 12

metabolism effects

Answer 12

mitochondria

Question 13

if there is something wrong with the mitochondria what could still produce energy?

Answer 13

glycolysis

Question 14

if a cell has 6 valence electrons (carbon) how many covalent bonds could be made

Answer 14

2

Question 15

if a compound that reduces the surface tension of water loses surface tension..

Answer 15

you take away it’s ability to create a strong layer

Question 16

steps of mitosis

Answer 16

interphase, prophase, metaphase, anaphase, telophase, cytokinesis

Question 17

mitosis

Answer 17

1 tetraploid> 2 diploid (identical to parent)

Question 18

meiosis

Answer 18

1 diploid> 4 haploid (genetically different)

Question 19

DNA is always synthesized

Answer 19

5’>3’

Question 20

4 levels of proteins

Answer 20

primary, secondary, tertiary, quaternary

Question 21

primary structures bond

Answer 21

peptide bonds

Question 22

secondary structures bonds

Answer 22

hydrogen

Question 23

tertiary structures bonds

Answer 23

disulfide, ionic, hydrogen, vanderwals

Question 24

quaternary structures bonds

Answer 24

disulfide, ionic, hydrogen, vanderwals

Question 25

name 3 ways sexual reproduction increases diversity

Answer 25

random, independent assortment, crossing over

Question 26

amino acid groups found on all amino acids

Answer 26

OH-C=O (carboxyl group)

H-N-H (amino group)

Question 27

diagram of nucleotide

Answer 27

phosphate group, 5 carbon sugar, nitrogenous base

Question 28

choose something in a cell and write about it

Answer 28

vacuole: largest vesicle derived by ER and golgi, types: food vacuoles, contractile vacuole, storage of organic molecules (keeps cell from exploding)

Question 29

how is premRNA modified before translation

Answer 29

adding a 5’ cap and poly-A-tail, and splicing it

Question 30

example of controlling gene expression at each level

Answer 30

DNA: methylation
RNA: alternative RNA splicing
Proteins: degration