Worksheets23 BIO SOL Units 8, 9, 10
Total questions: 26
Worksheet time: 35mins
Name
Class
Date
1.
This molecule stores and transmits our genetic information and remains in the nucleus
a)
rRNA
b)
trna
c)
DNA
d)
mRNA
2.
A change in DNA is called a __________________.
a)
Nucleotide
b)
Mutation
c)
Radiation
d)
Transcription
3.
The human body has 23 homologous pairs of chromosomes. How many chromosomes does a somatic cell have?
a)
12
b)
23
c)
46
d)
92
4.
What is the monomer of proteins?
a)
amino acids
b)
polypeptides
c)
nucleotides
d)
monosaccharides
5.
I make proteins for the cell. What am I?
a)
ribosome
b)
mitochondria
c)
chloroplast
d)
lysosome
6.
Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG
ATG TGA CAG
a)
ATG TGA CAG
b)
TAC ACT GTC
c)
GTA AGT GAC
d)
CAT TCA CTG
7.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
8.
Which process is used to make mRNA from the DNA in the nucleus?
a)
transcription
b)
translation
c)
replication
9.
Which phrase best describes translation?
a)
converts mRNA into a polypeptide
b)
catalyzes bonds between amino acids
c)
produces RNA from DNA molecules
d)
recycles tRNA molecules for reuse
10.
Name the phase:
a)
Anaphase
b)
Telophase
c)
Metaphase
d)
Prophase
11.
What is the next phase of mitosis?
a)
Prophase
b)
Metaphase
c)
Anaphase
d)
Telophase
12.
In order to maintain a proper surface area to volume ratio, cells must routinely undergo -
a)
osmosis
b)
meiosis
c)
cell division
d)
active transport
13.
The weak bonds between the nitrogenous bases are
a)
peptide bonds
b)
hydrogen bonds
c)
covalent bonds
d)
sulfur bonds
14.
Which organic compounds are the building blocks of proteins?
a)
fatty acids
b)
amino acids
c)
monosaccarides
d)
peptides
15.
a nucleotide consists of what 3 parts
a)
rna,dna,phosphate
b)
5 carbon sugar,phosphate,nitrogenous base
c)
6 carbon sugar, phosphate, nitrogenous base
d)
carbon, sugar, oxygen
16.
The discovery that chromosomes are involved in inheritance was made possible by the invention of the —
a)
computer
b)
microgram scale
c)
mercury thermometer
d)
microscope
17.
Which of the following scientific achievements best represents a collaborative effort among scientists?
a)
Robert Koch studied infectious diseases, and Louis Pasteur demonstrated that life only comes from life.
b)
Francis Crick and James Watson worked together to design the double-helix model of DNA.
c)
Anton van Leeuwenhoek invented the microscope in the 1600s, which was later used by others to study cells.
d)
Gregor Mendel’s study of pea plants enabled Thomas Morgan to become the first to locate a gene on a chromosome in Drosophila.
18.
Gametes are formed and the chromosome number is reduced in this type of cell division
a)
Mitosis
b)
Meiosis
c)
Cytokenesis
d)
Translation
19.
One codon for STOP is?
a)
AAA
b)
UUA
c)
UAA
BB/bb
BB/bb
d)
AAG
White fur
White fur
20.
Chromosomes that make up a pair (one chromosome from each parent) are called _________ chromosomes.
a)
Heterozygous
b)
Homozygous
c)
Homologous
d)
Tetrad
21.
Tissue samples taken from the heart and stomach of a grasshopper would be expected to have the same:
a)
Cell Size
b)
Metabolic Rate
c)
DNA
d)
Cell Shape
Cell shape
Cell shape
22.
During the process of protein synthesis, a section of DNA molecule is copied into which other molecule?
a)
DNA
b)
r-RNA
c)
m-RNA
d)
t-RNA
23.
Unlike mitosis, meiosis in male mammals results in the formation of
a)
one haploid gamete
b)
three diploid gametes
c)
four diploid gametes
d)
four haploid gametes
24.
When an area of a chromatid is exchanged with the matching area on a chromatid of its homologous chromosome, _________________ occurs
a)
crossing over
b)
mutagenesis
c)
hybridization
d)
fertilization
25.
What did Rosalind Franklin contribute to the understanding of DNA molecules?
a)
An image indicating the shape of a DNA molecule
b)
An analysis of the chemical makeup of a DNA molecule
c)
A though that DNA carries genetic information
d)
A theory about how DNA conveys genetic information
26.
The weakness of hydrogen bonds between the bases of DNA allows-
a)
rearrangement of the sequence of bases to take place
b)
base pairs to separate during transcription and replication
c)
new bases to be incorporated into the DNA molecule
d)
conversion of bases to amino acids in the event of cell starvation
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