Genetics and Developmental Biology

Coactivators are proteins that bind to:

Coactivators are proteins that bind to:

Coactivators are proteins that bind to:

▸ other proteins to enhance transcription.

▸ promoters.

▸ enhancers.

▸ promoters and enhancers.

▸ histone proteins.

meghan.binge   20   1 Reply

Grem

Deacetylated chromatin tends to be:

Deacetylated chromatin tends to be:

[html]Deacetylated chromatin tends to be:

▸ more relaxed; less condensed than acetylated chromatin.

▸ more condensed than acetylated chromatin.

▸ about the same density as acetylated chromatin.

▸ still associated with core histones but mis

coleshear   20   1 Reply

kady_kelsey2

In the active state of chromatin:

In the active state of chromatin:

[html]In the active state of chromatin:

▸ histone octamer binding to the DNA is modified to facilitate transcription factor binding.

▸ histone octamers are associated with the DNA and prevent transcription factor binding.

▸ the basal transc

dcooper78   20   1 Reply

kniemeier2

The yeast two-hybrid assay is used to identify:

The yeast two-hybrid assay is used to identify:

The yeast two-hybrid assay is used to identify:

▸ protein-DNA interactions.

▸ protein-protein interactions.

▸ protein-RNA interactions.

▸ DNA-RNA interactions.

▸ DNA-histone interactions.

calcrismore   20   1 Reply

timmcgraw1994

True or False? In yeast cells grown in low glucose levels, the GAL genes are repressed.

True or False? In yeast cells grown in low glucose levels, the GAL genes are repressed.

True or False? In yeast cells grown in low glucose levels, the GAL genes are repressed.

▸ true

▸ false

tara.harris.9   20   1 Reply

dmp7474

RNA-dependent RNA polymerases are found in:

RNA-dependent RNA polymerases are found in:

RNA-dependent RNA polymerases are found in:

▸ plants only.

▸ all animals only.

▸ plants and all animals.

▸ some animals only.

▸ plants and some animals.

nisha   20   1 Reply

gamblawc

Which of the following is not a mechanism involved in the control of reinitiation of replication in E. coli?

Which of the following is not a mechanism involved in the control of reinitiation of replication in E. coli?

[html]Which of the following is not a mechanism involved in the control of reinitiation of replication in E. coli?

▸ Physical sequestration of the origin

▸ Delay in remethylation

▸ Competition for DnaA binding at different sites

▸ I

anatomy66   20   1 Reply

duankong-fei

What is typically the slowest step of translation?

What is typically the slowest step of translation?

What is typically the slowest step of translation?

▸ Initiation

▸ Elongation

▸ Translocation

▸ Termination

▸ All steps occur at about the same rate.

usmc2rn   20   1 Reply

shanelljac204

The portion of the DNA molecule that is translated is composed of

The portion of the DNA molecule that is translated is composed of

The portion of the DNA molecule that is translated is composed of
 
  a. introns.
  b. anticodons.
  c. exons.
  d. transcriptons.
  e. exons and introns.

meli3198   21   1 Reply

fuzzycoconut20

Discuss how the therapy for PKU would be different if the disease was not caused by the essential ...

Discuss how the therapy for PKU would be different if the disease was not caused by the essential ...

Discuss how the therapy for PKU would be different if the disease was not caused by the essential amino acid phenylalanine, but rather by a non-essential amino acid. Would the disorder be potentially more or less life-threatening? Explain your reason

brunex16013   21   1 Reply

Slim1928

List the three factors required for gene therapy, and explain the difference between ex vivo and in ...

List the three factors required for gene therapy, and explain the difference between ex vivo and in ...

List the three factors required for gene therapy, and explain the difference between ex vivo and in vivo gene therapy.
 
  What will be an ideal response?

Basketball1121   21   2 Replies

Basketball1121

The name of the enzyme that replicates DNA is ____________________. (Fill in the blank)

The name of the enzyme that replicates DNA is ____________________. (Fill in the blank)

The name of the enzyme that replicates DNA is ____________________.
 
  Fill in the blank(s) with correct word

Shaquantta   21   1 Reply

48hiam

In Mendel's pea plant experiment, the trait of pea shape was represented by the two variations ...

In Mendel's pea plant experiment, the trait of pea shape was represented by the two variations ...

In Mendel's pea plant experiment, the trait of pea shape was represented by the two variations ____________________ and ____________________.
 
  Fill in the blank(s) with correct word

rahrah23   21   1 Reply

sns3guppy

Recombinant DNA technology has been used for over 30 years to produce ____________________ in ...

Recombinant DNA technology has been used for over 30 years to produce ____________________ in ...

Recombinant DNA technology has been used for over 30 years to produce ____________________ in bacteria for the treatment of diabetes.
 
  Fill in the blank(s) with correct word

tiffanygaebel   21   1 Reply

itsbouttim

LacId mutations (Multiple Choice)

LacId mutations (Multiple Choice)

lacId mutations
 
  a. can inactivate the repressor even if only one of the four subunits is mutant.
  b. occur in the region of the gene encoding the inducer binding site.
  c. are cis-acting.
  d. can only inactivate the r

cnv02   21   1 Reply

dawkins0126@aol

A regulatory circuit in which an inactive repressor is produced and requires a corepressor to be ...

A regulatory circuit in which an inactive repressor is produced and requires a corepressor to be ...

A regulatory circuit in which an inactive repressor is produced and requires a corepressor to be activated is said to be
 
  a. negative inducible.
  b. negative repressible.
  c. constitutive.
  d. positive inducible.

amui10   21   1 Reply

fuzzycoconut20

A situation in which certain exons could either be included or spliced out is called _______.

A situation in which certain exons could either be included or spliced out is called _______.

A situation in which certain exons could either be included or spliced out is called _______.
 
  a. alternative splicing
  b. mature splicing
  c. translation
  d. protein splicing
  e. none of the above

costfrost   21   1 Reply

ginam19pj

The counterpart to the use of mtDNA to reconstruct maternal lineages is the use of chloroplast DNA ...

The counterpart to the use of mtDNA to reconstruct maternal lineages is the use of chloroplast DNA ...

The counterpart to the use of mtDNA to reconstruct maternal lineages is the use of chloroplast DNA to reconstruct paternal lineages.
 
  Indicate whether the statement is true or false

Drea Anna   21   1 Reply

EmilyMM265

In limb-positioning in tetrapods, the _______ acts as an organizer to promote digit formation at the ...

In limb-positioning in tetrapods, the _______ acts as an organizer to promote digit formation at the ...

In limb-positioning in tetrapods, the _______ acts as an organizer to promote digit formation at the distal ends of limb buds.
 
  Fill in the blank(s) with correct word

ekmj   21   1 Reply

ninja320

What were the genotypes of the sinistral female and dextral male that were initially chosen?

What were the genotypes of the sinistral female and dextral male that were initially chosen?

What were the genotypes of the sinistral female and dextral male that were initially chosen?
 
  A) dd female and Dd male
  B) Dd female and dd male
  C) dd female and DD male
  D) DD female and dd male
  E) Dd female a

vincent_pijen   21   1 Reply

applebeeds

The differences in evolutionary rates of change revealed by relative rate tests may be attributable ...

The differences in evolutionary rates of change revealed by relative rate tests may be attributable ...

The differences in evolutionary rates of change revealed by relative rate tests may be attributable to
 
  A) differential strength of selection.
  B) generation time.
  C) average DNA repair efficiency.
  D) differential ex

Sauce1387   21   1 Reply

fahadr

What was the significance of the 1978 finding by Philip Leder's research group that the 0.7 kb ...

What was the significance of the 1978 finding by Philip Leder's research group that the 0.7 kb ...

What was the significance of the 1978 finding by Philip Leder's research group that the 0.7 kb -globin mRNA is not colinear with the gene that encodes it, but the nuclear 1.5 kb pre-mRNA is?
 
  What will be an ideal response?

jeremy.l32   21   1 Reply

aboudyb

Indels are : (Multiple Choice)

Indels are : (Multiple Choice)

Indels are
 
  A) index deletions used to identify a species.
  B) parsimonious trees.
  C) transitions and transversions combined.
  D) small deletions or insertions that produce gaps in sequence alignments.
  E) the r

bezel   21   1 Reply

slayah92

Explain how transcriptional control by the NrpR protein of the archaeon Methanococcus maripaludis is ...

Explain how transcriptional control by the NrpR protein of the archaeon Methanococcus maripaludis is ...

Explain how transcriptional control by the NrpR protein of the archaeon Methanococcus maripaludis is similar to transcriptional control in bacteria. It is known that 2-oxoglutarate (2OG) is used by cells as an indicator of nitrogen deficiency.
 

rocketleague   21   1 Reply

elementalsulfur

Which of the following secondary structures may be a DNA-binding domain?

Which of the following secondary structures may be a DNA-binding domain?

Which of the following secondary structures may be a DNA-binding domain?
 
  A) Zinc finger
  B) Leucine zipper
  C) Helix-turn-helix
  D) A and B only
  E) A, B, and C

chayes2321   21   2 Replies

chayes2321

Hormones can be considered : (Multiple Choice)

Hormones can be considered : (Multiple Choice)

Hormones can be considered
 
  A) inducers.
  B) repressors.
  C) transcription regulators.
  D) translation regulators.
  E) enzymes.

LL06   21   2 Replies

LL06

A proto-oncogene that gains function due to amplification, translocation to a more transcriptionally ...

A proto-oncogene that gains function due to amplification, translocation to a more transcriptionally ...

A proto-oncogene that gains function due to amplification, translocation to a more transcriptionally active area of the genome, or a mutation that causes either an increase in function or the suppression of down-regulation, is
 
  A) a pse

Trejo92   21   1 Reply

ninja320

The blending theory would predict that the phenotype seen in the F1 generation from a cross between ...

The blending theory would predict that the phenotype seen in the F1 generation from a cross between ...

The blending theory would predict that the phenotype seen in the F1 generation from a cross between a pure breeding plant with dark purple flowers and a pure breeding plant with white flowers would be __________.
 
  A) dark purple
 

littlescientist   21   1 Reply

mrdominic

The visual proof that chromosomes exchange pieces of information during crossing over was provided ...

The visual proof that chromosomes exchange pieces of information during crossing over was provided ...

The visual proof that chromosomes exchange pieces of information during crossing over was provided by __________.
 
  A. Bateson and Punnett
  B. Morgan and Bridges
  C. Creighton and McClintock
  D. Watson and Crick

gltech99   21   2 Replies

gltech99

An individual who contains cells that are mutated is called a chimera. (True or false?)

An individual who contains cells that are mutated is called a chimera. (True or false?)

An individual who contains cells that are mutated is called a chimera.
 
  Indicate whether the statement is true or false

kyrabunga   21   1 Reply

awintinedebbie1

The absence of a band when the linker is present at about -25 indicates that

The absence of a band when the linker is present at about -25 indicates that

The absence of a band when the linker is present at about -25 indicates that
 
  A. This region is critical for the in vitro transcription reaction
  B. this region is not critical for the in vitro transcription reaction
  C. i

WadeChl   21   1 Reply

EmilyMM265

After calculating a correlation coefficient you discover that the value is not significant at the 5 ...

After calculating a correlation coefficient you discover that the value is not significant at the 5 ...

After calculating a correlation coefficient you discover that the value is not significant at the 5 level. What can be done to produce a significant difference?
 
  A. Increase the sample size
  B. Decrease the sample size
  C. N

Yvonne98   21   1 Reply

imtherealslimsh

Huntington disease in humans is an example of a(n) ____________.

Huntington disease in humans is an example of a(n) ____________.

Huntington disease in humans is an example of a(n) ____________.
 
  A. essential gene
  B. lethal allele
  C. semilethal allele
  D. nonessential gene
 
  E. conditional lethal allele

dillosunion   21   1 Reply

ltauzzy

If an allele is inherited on the X chromosome, but not the Y, it is said to be an example of ...

If an allele is inherited on the X chromosome, but not the Y, it is said to be an example of ...

If an allele is inherited on the X chromosome, but not the Y, it is said to be an example of ________.
 
  A. autosomal inheritance
  B. X-linked inheritance
  C. chromosome theory of inheritance
  D. homogametic sex

Trejo92   21   1 Reply

Dasaherals

The building blocks of DNA are called _________.

The building blocks of DNA are called _________.

The building blocks of DNA are called _________.
 
  A. amino acids
  B. codons
  C. nucleotides
  D. alleles

Trejo92   21   1 Reply

kylelin

Describe three common developmental abnormalities of the kidneys.

Describe three common developmental abnormalities of the kidneys.

Describe three common developmental abnormalities of the kidneys.
 
  What will be an ideal response?

coltenyeske@aub   21   1 Reply

SamWats0n

Match the type of cancer listed below to the physical symptom that is often associated with it. ...

Match the type of cancer listed below to the physical symptom that is often associated with it. ...

Match the type of cancer listed below to the physical symptom that is often associated with it.
 
  __ Colon cancer
  __ Breast cancer
  __ Cervical cancer
  __ Melanoma
  __ Hodgkin lymphoma
 
  A. Enlarged

vincent_pijen   21   2 Replies

vincent_pijen

Sixty percent of all breast tumors are responsive to this hormone.

Sixty percent of all breast tumors are responsive to this hormone.

Sixty percent of all breast tumors are responsive to this hormone.
 
  A. Estrogen
  B. Progesterone
  C. Prolactin
  D. Testosterone
  E. HCG

hihihihihihi   21   2 Replies

hihihihihihi

What is a neoplasm of blood cells?

What is a neoplasm of blood cells?

What is a neoplasm of blood cells?
 
  A. Hematoma
  B. Leukemia
  C. Carcinoma of the blood
  D. Sarcoma of the blood

dillosunion   21   1 Reply

russinhacker

What are the major types of cleft lip?

What are the major types of cleft lip?

What are the major types of cleft lip?
 
  What will be an ideal response?

lavagirl   21   2 Replies

lavagirl