others Flashcards
what is disruptive selection
acts against intermediate traits
what is stabilizing selection
selects intermediate traits
what is balancing selection
favors extreme trait favors multiple alleles like polymorphism (malaria and sickle cell)
what is direction selection
favors one extreme
what is the cortical reaction
it is the slow block of polyspermy - cortical granule to form a fertilization membrane to
what is the acrosome reaction
sperm releases hydrolytic enzyme from sperm to fuse with egg
what is the slow and fast block
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
what phyla has joint appendadges
anthropoda
what skips genations auto/xlink dom/rec
autosomal recessive
all generations affected auto/xlink dom/rec
auto dominant
if father is affected all daughters affected auto/xlink dom/rec
x link dominant
male increase affected father never to son auto/xlink dom/rec
x link recessive
SDS page is for
seperating proteins by mass
gel electrophoresis is for
seperates dna based on charge
southern blotting is for
is for dna (SNOW DROP)
northern blotting is for
rna
western blotting is for
proteitns
xylem is for _____ phloem is for ______
xylem is for water phloem is for nutrients
PTH ____ Ca+
Calcitonin ____ Ca+
Calcitrol ____ Ca+
PTH __increases__ Ca+
Calcitonin __decreases__ Ca+
Calcitrol ___increases_ Ca+ (via digestive system)
layers of skin
come lets get some beer, corneum, lucidum granulosome spinosum basale
G1, G2,M, S put in order and what do they do
G1 growth
s - synthesis (dna replication)
G2 growth
M itosis (cell division)
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
E ribosomes
what are pili
bridges between bacteria for conjugation
what ion leaks into cell for resting membrane
K+
Limbic system is for
emotional and memory processing
medulla is for
breathing and heart rate
amygdal
memory considation
cerebellum
motor control balance
occipital lobe
vision
what directly effects the sa node
- central nervous system
- autonomic nervous system
central
what is tranduction
when a phage infects a bacteria
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
C. Increase in the amount of water in filtrate
what pairs during meiosis that mitosis does not (sister chromatids or homologous chromosomes)
homologous chromosomes
when does Homologous chromosomes pair
meoisis prophase 1
when does A Separating of sister chromatids happen
anaphase 2 (meoisis) and anaphase in mitosis
what describes a yeast
B. Prokaryotic
C. A type of fungi
C
slime mold is under what kingdom and what domain
protist eukarya
non disjunction for meisosis 1 vs 2
1: 3,3,1,1
2: 3,2,2,1
what is commensalism
a free loading organisms that does not harm the animal that is helping it
How many nucleotides is required for 90 codons?
270
what phase happens when the corpus luteum is there
lueteal phase
what causes a oxygen curve to shift right? Does this mean oxigen is held, or released?
CO2, Acid, DPG, Exercise, Temp (CADET face right) oxigen is held
what is binary fission
bacteria cell division
what is binary fission
bacteria cell division
what phase does synapses occur
in prophase 1
deuterostome
radial of spiral cleavage
determinate or indeterminate
deuterostome
radial
indeterminate
