Neuron/Endocrine
Reproduction
Cell Division
Molecular Biology
Population Dynamics
100
The central nervous system consists of
brain and spinal cord
100
Fertilization happens in the...
Fallopian tube
100
The formation of chromosomes with two sister chromatids happens during which stage of mitosis
prophase
100
This enzyme separates DNA strands
DNA helicase
100
The first species to arrive in an area are called
pioneer species
200
This part of your brain is responsible for balance
cerebellum
200
Fructose which helps with the movement of sperm is produced in the
seminal vesicle
200
A cancer cell would spend less time in this stage of the cell cycle than most healthy cells do
interphase
200
This enzyme synthesizes a new strand of DNA
DNA polymerase
200
In a population that is in Hardy-Weinberg equilibrium, the frequency of the homozygous recessive genotype of a certain trait is 0.09. Calculate the percentage of individuals that have the homozygous dominant genotype.
49%
300
During the depolarization stage of an action potential, what rushes into the cell?
Sodium ions
300
In increase in the hormone ____ occurs right before ovulation
LH
300
Synapsis occurs during which stage of meiosis
prophase 1
300
The short fragments of DNA built on the lagging strand are called
Okazaki fragments
300
A population of fruit flies live in your kitchen. There are an equal number of flies with wrinkled wings than there are of flies with normal wings. By random change (not natural selection) you happen to kill 50% of the normal winged flies with your fly swatter. What type of genetic drift is this?
bottleneck effect
400
During a reflex arc - which type of neuron is found in the CNS
interneuron
400
In the male feedback loop the hormone FSH is produced in the ___ and sent to the ___
pituitary; sertoli cells
400
The stage of mitosis shown in the picture is
anaphase
400
If the DNA sequence is TCGGAC, what are the amino acids produced
Serine, leucine
400
In a population that is in Hardy-Weinberg equilibrium, 38 % of the individuals are recessive homozygotes for a certain trait. In a population of 14,500, calculate how many individuals will be heterozygotes.
6859
500
TSH is produced in the ___ and sent to the ___
pituitary; thyroid
500
The luteal phase of the menstrual cycle happens on days ____ and the two hormones that increase are ____
15-28; estrogen and progesterone
500
The point of contact between two chromatids belonging to homologous chromosomes is called ___ (this is where crossing over occurs)
chiasmata
500
A point mutation changes a DNA sequence from AAA to AGA. What amino acid was originally made and what is the new amino acid made
phenylalanine becomes serine
500
A change in the CO2 levels in a particular environment is an example of?
a) density dependent factor
b) density independent factor
b