Portage learning genetics BIOD 210 module 3 exam questions and correct answers
Except for , all living things are
RNA viruses
made of DNA
1. Replication
What are the four critical characteristics 2. Storage
of genetic flow? 3. Expression (turning them on or off)
4. Variation
The bacteria that Griffith used in the
D. pneumoniae
transformation experiment was
The virulent version of the D. pneumoni-
ae bacteria has a that protects it Polysaccharide capsule
from the rat's immune system
1. Injecting mice with virulent bacteria:
died
2. Injecting mice with avirulent bacteria:
What trials did Griffith run in his experi-
don't die
ment, and what happened to the mice in
3. Injecting mice with heat-killed virulent
each one?
bacteria: don't die
4. Injecting mice with heat-killed virulent
bacteria and avirulent bacteria: died
Nuclei are only present in the cells of
eukaryotes
Cytoplasm is filled with and
holds everything in the cell in place using cytosol; microtubules, microfilaments
and
Smooth endoplasmic reticulum is where
fatty acids, phospholipids
and are formed
Rough endoplasmic reticulum is where
RNA; translated into protein
is
Both arms of the chromosome are con-
centromere
nected by a
Metacentric centromere in middle
Submetacentric centromere slightly off center
Acrocentric centromere close to end
Telocentric centromere at end
, Portage learning genetics BIOD 210 module 3 exam questions and correct answers
P arm short arm of chromosome (petite)
Q arm long arm of chromosome
Locus Location of a gene on a chromosome
The gene for cystic fibrosis is CFTR
The CFTR gene is also referred to as 7: the chromosome number
7q31.2. Explain what the parts of this q: gene is on the q arm
nomenclature mean 31.2: distance from the centromere
means that for every gene that
you have, for any species that repro-
biparental inheritance
duces sexually, you have two copies of
both of those genes
The exception to biparental inheritance
Sex
are what chromosomes?
The most decondensed form of DNA in
chromatin
the nucleus is
Octomer consists of: group of 8 histones
Chromatin consists of linear arrays of
nucleosomes
spherical particles called
How is chromatin remodeled so DNA Histones are modified, opening up small
can be accessed for replication? area of DNA at a time
DNA has a charge, and histones a
Negative; positive
charge
1. Acetylation
In what ways is chromatin altered to
2. Phosphorylation
make DNA available for replication? (3)
3. Methylation
Not until that it became clear
that DNA was the basis for genetic trans- 1944
fer
Watson and Crick proposed the double
1953
helix model in
DNA actually discovered in by
1869; Miescher
, In , Levene developed the
1910; four nucleotides
idea of
In order for genetic material to be passed
replicated
along, it must first be
True or false: while a person's full genet-
ic code is stored in every somatic cell's
True
nucleus, cells are specialized to only use
certain genes.
Draw a simple diagram for how DNA is
expressed as protein
What is the source of variation within a
Mutation
population, that evolution relies on?
When virulent cells were plated on agar,
they produced colonies, where-
Shiny, smooth (S); rough (R)
as avirulent strains produced
colonies
In his experiments, Griffith used IIR (rough, no capsule, avirulent); IIIS
serotypes and (smooth, capsule, virulent)
Griffith called the process of injecting a
mixture of avirulent bacteria and filtrate
transformation
from heat-killed, virulent bacteria, which
lead to the mice dying:
Because newly encapsulated bacteria
able to reproduce to make infectious
bacterial offspring, Avery, McLeod, and inheritable
McCarty deduced that something about
the capsule was
A medically relevant example of bacteria
MRSA
"transforming" is
When is chromatin visible? When the cell is dividing
Except for , all living things are
RNA viruses
made of DNA
1. Replication
What are the four critical characteristics 2. Storage
of genetic flow? 3. Expression (turning them on or off)
4. Variation
The bacteria that Griffith used in the
D. pneumoniae
transformation experiment was
The virulent version of the D. pneumoni-
ae bacteria has a that protects it Polysaccharide capsule
from the rat's immune system
1. Injecting mice with virulent bacteria:
died
2. Injecting mice with avirulent bacteria:
What trials did Griffith run in his experi-
don't die
ment, and what happened to the mice in
3. Injecting mice with heat-killed virulent
each one?
bacteria: don't die
4. Injecting mice with heat-killed virulent
bacteria and avirulent bacteria: died
Nuclei are only present in the cells of
eukaryotes
Cytoplasm is filled with and
holds everything in the cell in place using cytosol; microtubules, microfilaments
and
Smooth endoplasmic reticulum is where
fatty acids, phospholipids
and are formed
Rough endoplasmic reticulum is where
RNA; translated into protein
is
Both arms of the chromosome are con-
centromere
nected by a
Metacentric centromere in middle
Submetacentric centromere slightly off center
Acrocentric centromere close to end
Telocentric centromere at end
, Portage learning genetics BIOD 210 module 3 exam questions and correct answers
P arm short arm of chromosome (petite)
Q arm long arm of chromosome
Locus Location of a gene on a chromosome
The gene for cystic fibrosis is CFTR
The CFTR gene is also referred to as 7: the chromosome number
7q31.2. Explain what the parts of this q: gene is on the q arm
nomenclature mean 31.2: distance from the centromere
means that for every gene that
you have, for any species that repro-
biparental inheritance
duces sexually, you have two copies of
both of those genes
The exception to biparental inheritance
Sex
are what chromosomes?
The most decondensed form of DNA in
chromatin
the nucleus is
Octomer consists of: group of 8 histones
Chromatin consists of linear arrays of
nucleosomes
spherical particles called
How is chromatin remodeled so DNA Histones are modified, opening up small
can be accessed for replication? area of DNA at a time
DNA has a charge, and histones a
Negative; positive
charge
1. Acetylation
In what ways is chromatin altered to
2. Phosphorylation
make DNA available for replication? (3)
3. Methylation
Not until that it became clear
that DNA was the basis for genetic trans- 1944
fer
Watson and Crick proposed the double
1953
helix model in
DNA actually discovered in by
1869; Miescher
, In , Levene developed the
1910; four nucleotides
idea of
In order for genetic material to be passed
replicated
along, it must first be
True or false: while a person's full genet-
ic code is stored in every somatic cell's
True
nucleus, cells are specialized to only use
certain genes.
Draw a simple diagram for how DNA is
expressed as protein
What is the source of variation within a
Mutation
population, that evolution relies on?
When virulent cells were plated on agar,
they produced colonies, where-
Shiny, smooth (S); rough (R)
as avirulent strains produced
colonies
In his experiments, Griffith used IIR (rough, no capsule, avirulent); IIIS
serotypes and (smooth, capsule, virulent)
Griffith called the process of injecting a
mixture of avirulent bacteria and filtrate
transformation
from heat-killed, virulent bacteria, which
lead to the mice dying:
Because newly encapsulated bacteria
able to reproduce to make infectious
bacterial offspring, Avery, McLeod, and inheritable
McCarty deduced that something about
the capsule was
A medically relevant example of bacteria
MRSA
"transforming" is
When is chromatin visible? When the cell is dividing
