4774013
Descripción
Test por Cindy Nguyen, actualizado hace más de 1 año
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Creado por Cindy Nguyen
hace alrededor de 8 años
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Pregunta 1
Respuesta
-
DNA
-
Transcription
-
mRNA
-
Nucleus
-
Cytoplasm
-
Ribosome
-
Protein
-
Translation
Pregunta 2
Pregunta
In DNA replication, a DNA [blank_start]template[blank_end] is used to produce 2 [blank_start]identical[blank_end] DNA strands. The process occurs in the [blank_start]nucleus[blank_end] of a cell.
Respuesta
-
template
-
identical
-
nucleus
Pregunta 3
Respuesta
-
helicase
-
SSB
-
DNA polymerase
-
DNA polymerase
-
Template DNA
-
DNA ligase
-
New DNA
Pregunta 4
Respuesta
-
Transcription
-
Translation
-
DNA
-
mRNA polymerase
-
Nuclear Membrane
-
mRNA
-
tRNA
-
amino acids
-
polypeptide chain
-
proteins
-
Ribosome
-
Anticodon
-
Codon
Pregunta 5
Respuesta
-
hydrogen bond
-
3'
-
3'
-
5'
-
5'
-
deoxyribose
-
purine
-
pyrimidine
-
thymine
-
adenine
-
cytosine
-
guanine
-
covalent bond
-
nucleotide
-
phosphate group
Pregunta 6
Respuesta
-
Cell membrane
-
cytoplasm
-
DNA
-
Nucleus
-
Transcription
-
mRNA
-
Translation
-
tRNA
-
Protein
-
Ribsome
-
mRNA
Pregunta 7
Respuesta
-
Transcription
-
mRNA
-
DNA
-
Ribosome
-
tRNA
-
Translation
-
codon
-
anticodon
-
amino acid
-
polypeptide chain
Pregunta 8
Pregunta
DNA stands for [blank_start]Deoxyribonucleic Acid[blank_end]
Respuesta
-
Deoxyribonucleic Acid
Pregunta 9
Pregunta
DNA is made of [blank_start]nucleotides[blank_end]. The nucleotide is made up of three parts: [blank_start]phosphate[blank_end], sugar ([blank_start]deoxyribose[blank_end]), and [blank_start]nitrogen base.[blank_end]
Respuesta
-
nucleotides
-
phosphate
-
deoxyribose
-
nitrogen base.
Pregunta 10
Pregunta
DNA has [blank_start]four[blank_end] nitrogen bases which are [blank_start]adenine[blank_end], [blank_start]thymine[blank_end], [blank_start]guanine[blank_end], and [blank_start]cytosine[blank_end]. Only [blank_start]adenine[blank_end] bonds with thymine. And only guanine bonds with [blank_start]cytosine[blank_end].
Respuesta
-
four
-
adenine
-
thymine
-
guanine
-
cytosine
-
adenine
-
cytosine
Pregunta 11
Respuesta
-
1'
-
2'
-
3'
-
4'
-
5'
Pregunta 12
Pregunta
There are [blank_start]two[blank_end] types of nitrogen bases. [blank_start]Purine[blank_end] & [blank_start]Pyrimidine[blank_end].
Respuesta
-
two
-
Purine
-
Pyrimidine
Pregunta 13
Pregunta
Purines have a [blank_start]double-ring structure[blank_end]. The purines are [blank_start]adenine[blank_end] and [blank_start]guanine[blank_end].
Respuesta
-
double-ring structure
-
adenine
-
guanine
Pregunta 14
Pregunta
Pyrimidines have a [blank_start]single-ring structure[blank_end]. [blank_start]Thymine[blank_end] and [blank_start]cytosine[blank_end] are pyrimidines.
Respuesta
-
single-ring structure
-
Thymine
-
cytosine
Pregunta 15
Pregunta
Always bond a purine with a pyrimidine.
Respuesta
- True
- False
Pregunta 16
Pregunta
DNA replication occurs during the [blank_start]interphase[blank_end] of a cell cycle.
Respuesta
-
interphase
Pregunta 17
Pregunta
[blank_start]Messenger[blank_end] RNA is made during [blank_start]transcription[blank_end] which occurs in the [blank_start]nucleus[blank_end] of a cell.
Respuesta
-
Messenger
-
transcription
-
nucleus
Pregunta 18
Pregunta
Translation occurs in the [blank_start]cytoplasm[blank_end] when [blank_start]ribosomes[blank_end] make proteins from [blank_start]mRNA[blank_end].
Respuesta
-
ribosomes
-
cytoplasm
-
mRNA
Pregunta 19
Pregunta
Proteins are chains of [blank_start]amino acids[blank_end] arranged in a specific order which is determined by the code in your [blank_start]DNA[blank_end].
Respuesta
-
amino acids
-
DNA
Pregunta 20
Pregunta
What is the enzyme helicase's function? Its function is to [blank_start]separate[blank_end] a DNA molecule into [blank_start]two strands[blank_end].
Respuesta
-
separate
-
two strands
Pregunta 21
Pregunta
SSB stands for [blank_start]single-stranded binding[blank_end] protein and they sit on strands to [blank_start]stabilize[blank_end] them.
Respuesta
-
single-stranded binding
-
stabilize
Pregunta 22
Pregunta
DNA polymerase [blank_start]adds[blank_end] deoxynucleotides in the [blank_start]template[blank_end] DNA.
Respuesta
-
adds
-
template
Pregunta 23
Pregunta
DNA ligase [blank_start]joins[blank_end] any [blank_start]unbound[blank_end] ends in the new DNA molecule.
Respuesta
-
unbound
-
joins
Pregunta 24
Pregunta
The [blank_start]three[blank_end] enzymes used during DNA replication are [blank_start]helicase[blank_end], DNA [blank_start]polymerase[blank_end], and DNA [blank_start]ligase[blank_end].
Respuesta
-
helicase
-
three
-
polymerase
-
ligase
Pregunta 25
Pregunta
DNA replication is considered "semi-conservative" because the [blank_start]new[blank_end] DNA molecule has one [blank_start]new[blank_end] strand and one [blank_start]old[blank_end] strand of DNA.
Respuesta
-
new
-
old
-
new
Pregunta 26
Pregunta
RNA is a [blank_start]single[blank_end]-stranded [blank_start]disposable[blank_end] copy of DNA.
Respuesta
-
single
-
disposable
Pregunta 27
Pregunta
RNA nucleotides consists of sugar ([blank_start]ribose[blank_end]), phosphate, and nitrogen base ([blank_start]uracil[blank_end] replaces thymine).
Respuesta
-
ribose
-
uracil
Pregunta 28
Pregunta
There are [blank_start]three[blank_end] types of RNA: [blank_start]messenger[blank_end], [blank_start]ribosomal[blank_end], and [blank_start]transfer[blank_end].
Respuesta
-
three
-
messenger
-
ribosomal
-
transfer
Pregunta 29
Pregunta
Messenger RNA ([blank_start]mRNA[blank_end]) [blank_start]copies[blank_end] the sequence from DNA (in the nucleus) and [blank_start]carries[blank_end] it to the cytoplasm.
Respuesta
-
mRNA
-
copies
-
carries
Pregunta 30
Pregunta
Transfer RNA (tRNA) transfers [blank_start]amino acids[blank_end] to the [blank_start]site[blank_end] of protein synthesis on the ribosome. It has an [blank_start]anticodon[blank_end] complementary sequence.
Respuesta
-
amino acids
-
site
-
anticodon
Pregunta 31
Pregunta
Ribosomal RNA has [blank_start]3[blank_end] binding [blank_start]sites[blank_end] for tRNA. Ribosomes are made up of [blank_start]protein[blank_end] & rRNA.
Respuesta
-
3
-
sites
-
protein
Pregunta 32
Pregunta
[blank_start]2[blank_end] ways that pre-mRNA is processed before leaving the [blank_start]nucleus[blank_end].
Respuesta
-
2
-
nucleus
Pregunta 33
Pregunta
RNA processing [blank_start]modifies[blank_end] pre-mRNA to produce [blank_start]mature[blank_end] mRNA for translation. [blank_start]Add[blank_end] pieces on both ends to increase [blank_start]stability[blank_end].
Respuesta
-
modifies
-
mature
-
Add
-
stability
Pregunta 34
Pregunta
RNA splicing [blank_start]removes[blank_end] introns and [blank_start]joins[blank_end] exons together. Introns are regions of mRNA that [blank_start]do not[blank_end] code for amino acids. Extrons are regions of mRNA that [blank_start]do[blank_end] code for amino acids.
Respuesta
-
removes
-
joins
-
do not
-
do
Pregunta 35
Pregunta
Codons are 3 nucleotides that [blank_start]code[blank_end] for one amino acid. Anticodons are 3 nucleotides at the [blank_start]bottom[blank_end] of tRNA.
Respuesta
-
code
-
bottom
Pregunta 36
Pregunta
Anticodons [blank_start]match[blank_end] with codons and reads them to find the right [blank_start]amino acid[blank_end] to input to the chain.
Respuesta
-
match
-
amino acid
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