WorksheetsT and T and Replication
Total questions: 25
Worksheet time: 5hrs 18mins
The G in G1 phase stands for
(a)
The S in S Phase stands for
(a)
DNA is made up of ____________________.
amino acids
glucose
nucleotides
bases
In the cell cycle, G1 and S phase are part of
Interphase
Cell Division
A single nucleotide is made up of
proteins
a sugar, a phosphate group, and a base
amino acids
adenosine triphosphate
Humans have _______ chromosomes or 23 pairs of chromosomes.
46
92
11.5
23
In DNA, A pairs with...
A
U
T
C
True or False: Each pair of chromosomes contains the same genes (not including the sex chromosomes)
true
false
True or False: A chromosome is a large chunk of DNA that contains sections called genes. Genes are coded DNA sequences that contain the instructions to make a specific protein.
True
False
In RNA, A pairs up with
G
T
U
A
Which of the following is true about DNA? (check all that apply)
DNA is stuck in the nucleus
DNA is double stranded
Genes on DNA are copied into mRNA
DNA leaves the nucleus to run everything in the cell
In genetic code, the "words" are all three bases long and code for a specific amino acid. What is the name for these "words"?
(a)
What is the name of the protein that makes the mRNA copy of a gene?
DNA polymerase
RNA polymerase
ATP synthase
DNA helicase
What happens to the DNA after the gene has been copied?
It is destroyed
It leaves the nucleus
Nothing happens
tRNA has two sides. One side has the anticodon and the other side has the
(a)
Where does transcription occur?
the nucleus
the cytoplasm
the ribosome
Where does translation occur?
the nucleus
the vacuole
the ribosome
What is made at the end of transcription?
mRNA
tRNA
ribosome
protein
Which of the following is true of translation? Check all that apply
it translates from protein language to DNA language
it translates from DNA language to protein language
It reads the mRNA to determine the order of the amino acids
it makes a copy of a gene
If there is a mistake in the DNA, it is called a
(a)
Which of the following is true of mutations? Check all that apply
The vast majority go unnoticed
Some can be passed on, but most are not
Some are caused by external factors
Some are caused by random mistakes during replication
Is DNA replication more similar to the process of transcription or translation?
transcription
translation
What is the name of the protein that adds nucleotides to make a new piece of DNA?
DNA polymerase
RNA polymerase
ATP Synthase
Helicase
When copying DNA, the original strand is used as a template. This is important because.... (check all that apply)
it means DNA polymerase only has to do half the work
the new strands will contain a portion of the original
it makes the process much more accurate
it makes mistakes more obvious so that they can be fixed
The two strands of DNA run in opposite directions. This makes DNA replication __________ difficult.
more
less
