1175 cards
During muscle contraction, Ca 2+ binds to troponin, causing a shift in ____, causing exposure of the myosin-binding sites on the actin fila…
During muscle contraction, Ca 2+ binds to troponin, causing a shift in tropomyosin, causing ____.
During muscle contraction, shortening of the sarcomere occurs as myosin heads bind to the exposed sites on actin, forming ____ and pulling…
During muscle contraction, ____ of the sarcomere occurs as myosin heads bind to the exposed sites on actin, forming cross bridges and pulli…
During muscle contraction, shortening of the sarcomere occurs as ____, forming cross bridges and pulling the actin filament along the thick…
During muscle contraction, shortening of the sarcomere occurs as myosin heads bind to the exposed sites on actin, forming cross bridges and…
Muscles relax when ____, terminating the signal and allowing Ca 2+ to return to the sarcoplasmic reticulum.
Muscles relax when acetylcholine is degraded by acetylcholinesterase, terminating the signal and allowing Ca 2+ to ____
Muscles relax when acetylcholine is degraded by acetylcholinesterase, terminating the signal and allowing ____ to return to the sarcoplasmi…
____ binds to the myosin head, allowing it to release from actin .
ATP binds to the ____, allowing it to release from actin .
ATP binds to the myosin head, allowing it to release from ____.
A/an ____ is when only one muscle fiber responds to a brief stimulus.
A/an single twitch is when ____.
Frequency summation is the addition of ____ before the muscle has a chance to fully relax.
____ is the addition of multiple simple twitches before the muscle has a chance to fully relax.
Frequency summation is the addition of multiple simple twitches before ____.
In muscles, ____ is what adds a phosphate group to ADP, forming ATP.
In muscles, creatine phosphate is what adds a phosphate group to ____.
In ____, creatine phosphate is what adds a phosphate group to ADP, forming ATP.
A/an ____ is a variant form of a gene located at the same position on a chromosome.
A/an allele is a ____ located at the same position on a chromosome.
A/an allele is a variant form of a gene located ____
____ alleles only require one copy in order to be expressed.
Dominant alleles only require ____ copy in order to be expressed.
____ alleles require two copies in order to be expressed.
Recessive alleles require ____ copies in order to be expressed.
____ is the combination of alleles one has at a given locus.
Genotype is ____.
A/an ____ genotype has two of the same alleles.
A/an homozygous genotype has ____ alleles.
A/an ____ genotype has two different alleles.
A/an heterozygous genotype has ____alleles.
A recessive allele is only expressed if an organism is ____ for that trait.
A ____ allele is only expressed if an organism is homozygous for that trait.
____ is the observable manifestation of a genotype.
Phenotype is ____.
____ is a form of dominance in heterozygous condition wherein the allele that is regarded as dominant completely masks the effect of the al…
Complete dominance is a form of dominance ____.
____ is a form of intermediate heterozygous inheritance in which one allele for a specific trait is not completely expressed over its paire…
Incomplete dominance is a form of in____heritance in which one allele for a specific trait is not completely expressed over its paired alle…
Incomplete dominance is a form of intermediate heterozygous inheritance in which one allele for a specific trait is ____, has to have two h…
____ is in which both alleles are simultaneously expressed in the heterozygote.
Codominance is in which ____.
____ is the proportion of individuals carrying a particular variant of a gene that also express an associated trait.
Penetrance is ____.
____ is when a phenotype is expressed but to a different degree among individuals with the same genotype.
Variable expressivity is when ____.
____ is when genes flow from one species to another via hybrid offspring.
Genetic leakage is when ____.
____ is when the composition of the gene pool changes as a result of chance .
Genetic drift is when the composition of the gene pool changes as a result of ____.
Genetic drift is when ____as a result of chance .
The ____ is the loss of genetic variation that occurs when a new population is established by a very small number of individuals .
The founder effect is ____ .
Give the 7 taxonomic ranks in order: Most specific: ____
Mendel's ____ states that the alleles of two (or more) different genes get sorted into gametes independently of one another.
Mendel's law of independent assortment states that ____.
____ are much larger than nucleotide mutations and affect whole segments of DNA .
Chromosomal mutations are much larger than nucleotide mutations and affect ____.