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WorksheetsBiomedical Unit 3
Total questions: 35
Worksheet time: 1hrs 10mins
Name
Class
Date
1.
Which component is needed for clotting?
a)
white blood cells
b)
red blood cells
c)
platelets
d)
plasma
2.
How many chromosomes do humans have?
a)
23 chromosomes
b)
23 pairs
c)
46 chromosomes
d)
46 pairs
3.
How many cells are created at the end of meiosis?
a)
2
b)
4
c)
6
d)
8
4.
How many copies of the sickle cell gene are needed for a person to have the disorder?
a)
0
b)
1
c)
2
d)
3
5.
If two parents who do NOT have a disorder have a child with a disorder, the disorder is
a)
dominant
b)
recessive
c)
neutral
6.
What is the PRIMARY factor that determines the 3D shape of a protein?
a)
the order of amino acids
b)
the sequence of peptide bonds
c)
the structure of amino acids
d)
the genes involved
7.
When a protein is surrounded by water, where will the hydrophobic molecules be located?
a)
on the exterior of the protein
b)
on the interior of the protein
c)
evenly distributed throughout the protein
d)
there will not be any hydrophobic molecules
8.
What is the term for distinct segments of DNA that differ from person to person?
a)
genes
b)
traits
c)
chromosomes
d)
nucleotides
9.
Sickle red blood cells have a decreased ability to carry
a)
nutrients
b)
wastes
c)
oxygen
d)
proteins
10.
If someone has a low hematocrit count, then they have a reduced amount of what?
a)
plasma
b)
red blood cells
c)
white blood cells
d)
platelets
11.
Where in the cell are proteins produced?
a)
cytoplasm
b)
ribosome
c)
nucleus
d)
mitochondria
12.
Which is NOT a symptom of sickle cell disease?
a)
shortness of breath
b)
pain and tissue damage
c)
increased infections
d)
enlarged blood vessels
13.
Which component is needed to carry oxygen?
a)
white blood cells
b)
red blood cells
c)
platelets
d)
plasma
14.
During transcription
a)
DNA is used to make mRNA
b)
mRNA is used to make proteins
c)
DNA is used to make proteins
d)
mRNA is used to make DNA
15.
Why can a child have sickle cell, but their parents do not?
a)
it is recessive
b)
it is dominant
c)
it only shows in males
d)
it only shows if a person is sick
16.
Which molecule is made up of amino acids?
a)
carbohydrates
b)
lipids
c)
proteins
d)
water
17.
What is the name for the test shown that measures number of red blood cells?
a)
GTT test
b)
Insulin test
c)
Hematocrit test
d)
CBC differential
18.
In this pedigree, individual I-2 would be what genotype?
a)
AA
b)
Aa
c)
aa
d)
cannot determine
19.
If two parents are both carriers (heterozygous) for a genetically inherited DOMINANT trait, what is the probability that their children will have the trait?
a)
25%
b)
50%
c)
75%
d)
100%
20.
In a pedigree, fully shaded circles represent _________.
a)
A male with the trait
b)
A female with the trait
c)
A male without the trait
d)
A female without the trati
21.
The chromosome number in cells after mitosis is ______ the parent cell chromosome number.
a)
the same as
b)
half
c)
twice
d)
four times
22.
Which of the following is a genotype?
a)
AA
b)
Brown Eyes
c)
Sickle Cell Disease
d)
None of these
23.
When sperm and egg combine, it forms a _______.
a)
Fetus
b)
Zygote
c)
Teenager
d)
Mutant
24.
A codon contains 3 ________.
a)
Amino Acids
b)
Nucleotides
c)
Fatty Acids
d)
Bears
25.
In DNA, A pairs with _____
a)
T
b)
C
c)
G
d)
U
26.
In RNA A pairs with _____
a)
T
b)
U
c)
G
d)
C
27.
In DNA C pairs with _____
a)
A
b)
T
c)
G
d)
U
28.
In RNA G pairs with _____.
a)
A
b)
T
c)
C
d)
U
29.
If the DNA sequence is CAT TAG, what will the resulting mRNA sequence be?
a)
GUA AUC
b)
GTA ATC
c)
CUA AAC
d)
GUU AUG
30.
Pale yellow fluid portion of blood.
a)
Plasma
b)
Erythrocytes (Red Blood Cells)
c)
Leukocytes (White Blood Cells)
d)
Thrombocytes (Platelets)
31.
What is the difference between normal and sickle cells at the amino acid level?
a)
The second to last base changes from GLU to VAL
b)
The first amino acid is changed from THR to GLY
32.
What effect does the sickle mutation have on hemoglobin and red blood cells?
a)
It causes the protein to fold differently changing the shape of the RBCs
b)
It causes the protein to become completely hydrophilic, changing how the RBCs interact with plasma.
33.
Carriers of sickle cell disease are more likely to survive malaria that non carriers or affected individuals.
a)
True
b)
False
34.
Henrietta Lacks' family has been included in all decision making cells regarding the immortal HeLa cell line created from her cervical tumor.
a)
True
b)
False
35.
What would the genotype of the box containing the question mark be?
a)
AA
b)
Aa
c)
aa
d)
Cannot Determine
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