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WorksheetsDNA & The Cell Cycle
Total questions: 14
Worksheet time: 1hrs 6mins
Name
Class
Date
1.
a)
I
b)
II
c)
III
d)
IV
2.
Scientists can bioengineer skin in a laboratory to treat severe burns and other types of skin injuries. This bioengineered tissue is grown from living cells. The cellular process that enables the cells to grow and develop into tissue is -
a)
conjugation
b)
meiosis
c)
budding
d)
mitosis
3.
a)
The nuclear membrane disintegrates.
b)
DNA replicates.
c)
Centrioles form.
d)
The nucleolus divides.
4.
Telophase is a stage of a cellular process that begins after the chromosomes have moved to opposite poles of the cell. During which cellular processes does telophase occur?
a)
Translation
b)
Interphase
c)
Transcription
d)
Mitosis
5.
a)
Prophase
b)
Metaphase
c)
Anaphase
d)
Telophase
6.
Which of these must occur during S phase of the cell cycle so that two daughter cells can be produced during M phase?
a)
The DNA must be replicated.
b)
The chromosomes must be joined.
c)
The cytoplasm must be separated.
d)
The cell membrane must be expanded.
7.
a)
As a sequence of nucleotides
b)
In the double-helix shape of the condensed chromosome
c)
In the ration of adenines to thymines
d)
As a pattern of phosphates and sugars
8.
a)
C-T-A-C-C-G-A-C
b)
G-U-C-G-G-U-A-G
c)
G-T-C-G-G-A-A-G
d)
G-T-C-G-G-T-A-G
9.
The sequence of nitrogenous bases in DNA varies widely. The sequence of the bases in DNA is most important for which of the following?
a)
Providing instructions for the traits of an organism
b)
Preventing mutations from occurring during DNA replication
c)
Allowing the DNA to have the shape necessary for replication
d)
Helping form the sugar-phosphate backbone of DNA molecules
10.
a)
role of DNA in protein synthesis
b)
mutation of nucleotide sequences in DNA
c)
sequence of DNA that makes up the human genome
d)
double-helix structure of DNA
11.
a)
the bond between adjacent phosphate and deoxyribose molecules
b)
the junction of introns and exons in the sense strand of DNA
c)
the hydrogen bond between complementary nucleotides
d)
the junction of a codon and a DNA triplet
12.
Characteristics such as a widow's peak or attached earlobes are determined by the genetic code. Which components of DNA are referred to as the genetic code?
a)
Phosphate groups
b)
Nitrogenous bases
c)
Deoxyribose sugars
d)
Hydrogen bonds
13.
How does DNA in cells determine an organism's complex traits?
a)
DNA contains codes for proteins, which are necessary for the growth and functioning of an organism.
b)
DNA separates into long single strands that make up each part of an organism.
c)
DNA produces the energy an organism needs in order to grow.
d)
DNA folds into the nucleus of each of the cells of an organism.
14.
Nucleotide sequences comparisons are possible because all organisms share which of the following?
a)
DNA bases
b)
Cellular organelles
c)
Division of the nuclear chromosomes
d)
Types of proteins needed for cellular functions
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