others

Question 1

what is disruptive selection

Answer 1

acts against intermediate traits

Question 2

what is stabilizing selection

Answer 2

selects intermediate traits

Question 3

what is balancing selection

Answer 3

favors extreme trait favors multiple alleles like polymorphism (malaria and sickle cell)

Question 4

what is direction selection

Answer 4

favors one extreme

Question 5

what is the cortical reaction

Answer 5

it is the slow block of polyspermy - cortical granule to form a fertilization membrane to

Question 6

what is the acrosome reaction

Answer 6

sperm releases hydrolytic enzyme from sperm to fuse with egg

Question 7

what is the slow and fast block

Answer 7

slow is the cortical reaction ( cortical granules form a membrane)
fast is when the Ca+ is realised depolorizing the cell and prevents the sperm from entering

Question 8

what phyla has joint appendadges

Answer 8

anthropoda

Question 9

what skips genations auto/xlink dom/rec

Answer 9

autosomal recessive

Question 10

all generations affected auto/xlink dom/rec

Answer 10

auto dominant

Question 11

if father is affected all daughters affected auto/xlink dom/rec

Answer 11

x link dominant

Question 12

male increase affected father never to son auto/xlink dom/rec

Answer 12

x link recessive

Question 13

SDS page is for

Answer 13

seperating proteins by mass

Question 14

gel electrophoresis is for

Answer 14

seperates dna based on charge

Question 15

southern blotting is for

Answer 15

is for dna (SNOW DROP)

Question 16

northern blotting is for

Answer 16

rna

Question 17

western blotting is for

Answer 17

proteitns

Question 18

xylem is for _____ phloem is for ______

Answer 18

xylem is for water phloem is for nutrients

Question 19

PTH ____ Ca+
Calcitonin ____ Ca+
Calcitrol ____ Ca+

Answer 19

PTH __increases__ Ca+
Calcitonin __decreases__ Ca+
Calcitrol ___increases_ Ca+ (via digestive system)

Question 20

layers of skin

Answer 20

come lets get some beer, corneum, lucidum granulosome spinosum basale

Question 21

G1, G2,M, S put in order and what do they do

Answer 21

G1 growth
s - synthesis (dna replication)
G2 growth
M itosis (cell division)

Question 22

Which of the following organelles would you expect to find in a prokaryotic cell?
 A. Mitochondria 
 B. Endoplasmic Reticulum 
 C. Lysosome 
 D. Nucleus 
 E. Ribosome

Answer 22

E ribosomes

Question 23

what are pili

Answer 23

bridges between bacteria for conjugation

Question 24

what ion leaks into cell for resting membrane

Answer 24

K+

Question 25

Limbic system is for

Answer 25

emotional and memory processing

Question 26

medulla is for

Answer 26

breathing and heart rate

Question 27

amygdal

Answer 27

memory considation

Question 28

cerebellum

Answer 28

motor control balance

Question 29

occipital lobe

Answer 29

vision

Question 30

what directly effects the sa node - central nervous system - autonomic nervous system

Answer 30

central

Question 31

what is tranduction

Answer 31

when a phage infects a bacteria

Question 32

Which of the following would be the effect of a decrease in aldosterone on the distal convoluting tubule and collecting duct A. Increase water reabsorption B. Decrease water excretion C. Increase in the amount of water in filtrate

Answer 32

C. Increase in the amount of water in filtrate

Question 33

what pairs during meiosis that mitosis does not (sister chromatids or homologous chromosomes)

Answer 33

homologous chromosomes

Question 34

when does Homologous chromosomes pair

Answer 34

meoisis prophase 1

Question 35

when does A Separating of sister chromatids happen

Answer 35

anaphase 2 (meoisis) and anaphase in mitosis

Question 36

what describes a yeast B. Prokaryotic C. A type of fungi

Answer 36

C

Question 37

slime mold is under what kingdom and what domain

Answer 37

protist eukarya

Question 38

non disjunction for meisosis 1 vs 2

Answer 38

1: 3,3,1,1 2: 3,2,2,1

Question 39

what is commensalism

Answer 39

a free loading organisms that does not harm the animal that is helping it

Question 40

How many nucleotides is required for 90 codons?

Answer 40

270

Question 41

what phase happens when the corpus luteum is there

Answer 41

lueteal phase

Question 42

what causes a oxygen curve to shift right? Does this mean oxigen is held, or released?

Answer 42

CO2, Acid, DPG, Exercise, Temp (CADET face right) oxigen is held

Question 43

Answer 43

Question 44

what is binary fission

Answer 44

bacteria cell division

Question 45

what is binary fission

Answer 45

bacteria cell division

Question 46

what phase does synapses occur

Answer 46

in prophase 1

Question 47

deuterostome radial of spiral cleavage determinate or indeterminate

Answer 47

deuterostome radial indeterminate