BIOLOGY FINALLLLLL

Question 1

What happens in a CONDENSATION REACTION

Answer 1

Monomers join to form polymers, releasing water

Question 2

what happens in HYDROLYSIS

Answer 2

polymers break down into monomers using water

Question 3

what is an example of CONDENSATION

Answer 3

glucose monomers joining to form glycogen

Question 4

what is an example of HYDROLYSIS

Answer 4

glycogen breaking down into glucose monomers

Question 5

what do BOTH PLANT AND ANIMAL CELLS have in common

Answer 5

nucleus, mitochondria, golgi apparatus and other membrane bound organelles

Question 6

what is a key DIFFERENCE in STRUCTURE

Answer 6

plant cells have a rigid cell wall

animal cells have a flexible membrane

Question 7

how do plant cells make glucose

Answer 7

using chloroplasts and photosynthesis

Question 8

how do animal cells get glucose

Answer 8

by consuming food

Question 9

does passive transport require energy?

Answer 9

No.

Question 10

which direction do molecules move in passive transport

Answer 10

from HIGH to LOW concentration

Question 11

what are some examples of passive transport

Answer 11

DIFFUSION, FACILITATED DIFFUSION AND OSMOSIS

Question 12

what are some examples of active transport

Answer 12

sodium potassium pump, endocytosis and exocytosis

Question 13

what are the reactants of photosynthesis

Answer 13

Co2 + H2O + Sunlight (carbon+ water)

Question 14

what are the products of photosynthesis

Answer 14

6CH12O6 + 6O2 (glucose + oxygen)

Question 15

what are the reactants of cellular respiration

Answer 15

C6H12O6 + 6O2 (glucose + oxygen)

Question 16

what are the products of cellular respirations

Answer 16

6CO2 + 6H2O + ATP

Question 17

why are they a cycle

Answer 17

each process uses the other’s products

Question 18

How many divisions are in mitosis

Answer 18

one

Question 19

how many cells are formed in mitosis

Answer 19

2 identical diploid cells

Question 20

how many divisions are in meiosis

Answer 20

2, meiosis I and meiosis II

Question 21

how many cells are formed in meiosis

Answer 21

4 haploid gametes which are GENETICALLY DIFFERENT

Question 22

what’s synapsis and where does it happen

Answer 22

homologous chromosomes pair up and it happens only in Prophase I of meiosis

Question 23

what type of inheritance does CF follow

Answer 23

autosomal recessive

Question 24

what genotype must a person have to show the disease

Answer 24

ff (two recessive alleles)

Question 25

can a carrier show symptoms

Answer 25

no

Question 26

what enzyme unzips the DNA

Answer 26

helicase

Question 27

what enzyme adds new nucleotides

Answer 27

DNA polymerase

Question 28

What base pairs match

Answer 28

A-T, C-G

Question 29

why is it called semi conservative

Answer 29

each new DNA has one old and one new strand

Question 30

what are the 2 stages of protein synthesis

Answer 30

transcription and translation

Question 31

where does transcription occur

Answer 31

nucleus

Question 32

where does translation occur

Answer 32

ribosome

Question 33

what does mRNA do

Answer 33

carries genetic info to the ribosome

Question 34

what does tRNA do

Answer 34

brings amino acids to ribsome

Question 35

what does rRNA do

Answer 35

forms peptide bonds between amino acids

Question 36

what is the main energy source for ecosystems

Answer 36

the sun

Question 37

who captures energy from the sun

Answer 37

producers such as plants

Question 38

how much energy is passed on at each level

Answer 38

10%

Question 39

what happens to the other 90%

Answer 39

lost as heat