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Introductory Biology 1010
Exam 2
Dr. K. S. Dulai
Introductory Biology - Autumn 2007 Exam 2
Answer ALL 43 questions by marking your answers on your scantron. Take your time and understand each question before
you answer. Good Luck! Please keep this document when finished. Just return your scantron to me and the page with
the bonus question. As you leave I will check to see that you are enrolled in this class. To save on paper, the format is
squeezed together in some places.
FIRST NAME______________________________
LAST NAME__________________________________
Q1
During glycolysis, how many net molecules of ATP energy are made from each molecule of glucose consumed?
a.
0
d.
24
b.
2
e.
36
c.
12
Q2
Where does glycolysis take place in eukaryotic cells?
a.
b.
c.
d.
e.
Q3
On the outer cell membrane
On the inner cell membrane
In the cytoplasm
In the nucleus
In mitochondrion
During fermentation what is one of the end products?
a.
Glycerol
b.
Lactate
c.
Glutamate
d.
e.
Glucagon
Glycerol
Q4
Where does the Krebs cycle take place (also known as the TCA cycle)?
a.
On the outer cell membrane
b.
On the inner cell membrane
c.
In the cytoplasm
d.
In the nucleus
e.
In mitochondrion
Q5
What is the fate of the oxygen atoms that you breath in cellular respiration?
a.
They end up as carbon dioxide
b.
They form glucose
c.
They form water
d.
They end up in pyruvate
Q6
The process of transcription; (select the best answer)
a.
Synthesizes new daughter DNA molecules from an existing DNA molecule
b.
Makes a RNA copy of a gene that is to be translated
c.
Pairs thymine (T) with adenine (A)
d.
Occurs on ribosomes
e.
None of the above
Q7
Translation results in the production of?
a.
RNA
b.
DNA
c.
protein
Q8
Q9
d.
e.
How many amino acids are there in nature, which are used to make proteins?
a.
10
d.
b.
20
e.
c.
30
A definition of metabolism,
a.
is the generation of energy from the breakdown of glucose
b.
is how fast you gain weight
c.
is ‘you are what you eat’
d.
is the complete set of chemical reactions that occur in living cells
e.
is the aerobic reactions which take place in living cells
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individual amino acids
transfer RNA molecules
40
50
Introductory Biology 1010
Q10
Dr. K. S. Dulai
What is the universal energy currency of life?
a.
glucose
b.
protein
c.
DNA
Q11
During aerobic respiration what is consumed?
a.
Glucose & oxygen
b.
Carbon dioxide and water
c.
Carbon dioxide & oxygen
d.
Oxygen and water
e.
None of the above
Q12
A yeast is a(n)?
a.
b.
c.
bacteria
animal
plant
d.
e.
RNA
None of the above
d.
e.
protozoan
None of the above
Q13
What is the main function of insulin?
a.
stimulates release of glucagon by the liver
b.
stimulates glucose uptake by cells
c.
causes glucose uptake by the blood
d.
stimulates glucose uptake by the pancreas
e.
None of the above
Q14
An average body stores 78 percent of its reserves as fat. The next highest category of energy reserves are?
a.
Monosaccharides
d.
Proteins
b.
Lipids
e.
None of the above
c.
Glycogen
Q15
Which kind of life forms reproduce by fission?
a.
Prokaryotes
b.
Animal
c.
Plant
d.
e.
Fungi
None of the above
Sperm and eggs together are known as?
a.
spores
b.
gametes
c.
chromosomes
d.
e.
glyph cells
stem cells
Q16
Q17
What is a sister chromatid?
a.
Individual chromosomes
b.
A chromosome and its copy
c.
Two chromosomes that come together
d.
Sterols
e.
None of the above
Q18
Cancer is a loss of control over?
a.
Glucose storage
b.
Chromosome replication
c.
The cell cycle
d.
e.
The growth of the cell
None of the above
There are how chromosomes in a normal (diploid) human cell?
a.
19
b.
20
c.
22
d.
e.
23
46
d.
e.
Spermicide
All of the above
Q19
Q20
Q21
Which is the correct order of the four stages of mitosis:
a.
Prophase, Metaphase, Telophase, Anaphase
b.
Prophase, Metaphase, Anaphase, Telophase
c.
Metaphase, Telophase, Prophase, Anaphase
d.
Prophase, Anaphase, Metaphase, Telophase
e.
Metaphase, Prophase, Telophase, Anaphase
The process of making sperm is known as?
a.
Oogenesis
b.
Genesis
c.
Spermatogenesis
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Introductory Biology 1010
Dr. K. S. Dulai
Q22
What is fertilization;
a.
The formation of gametes
b.
The union of an egg with a sperm
c.
The delivery of a baby
d.
The formation of an egg in the mother
e.
None of the above
Q23
A gene locus is;
a.
b.
c.
d.
e.
The location of a gene on a chromosome
A form of locust
Another name for a chromosome
Another name for a gene
None of the above
Q24
What are homologous chromosomes?
a.
Opposite ends of the same chromosome
b.
Two parts of the same chromosome
c.
The same chromosome present in the human and chimp
d.
Chromosomes which pair during meiosis
e.
None of the above
Q25
The fruit fly is diploid and has a total of 8 chromosomes. How many linkage groups are there in its cells?
a.
2
d.
1
b.
4
e.
All of the above
c.
8
Q26
In a pedigree diagram of a human family, what shape is used to represent a daughter?
a.
Triangle
d.
Diamond
b.
Square
e.
None of the above
c.
Circle
Q27
Why does color blindness effect more males than females
a.
it is an x-linked trait
b.
it is a y-linked trait
c.
it is an autosomal dominant trait
d.
it is an autosomal recessive trait
e.
None of the above
Q28
For a woman, the chances of her giving birth to a Down’s child depends mostly on her;
a.
Sexual preferences
d.
Age
b.
Height
e.
None of the above
c.
Weight
Q29
Gregor Mendel is famous for his research on;
a.
Peas
b.
Teas
c.
Flies
d.
e.
Humans
Fishes
Q30
Griffith discovered which biological phenomenon?
a.
Translation
b.
Transcription
c.
Transduction
d.
Transformation
e.
None of the above
Q31
The first stage of cellular respiration is performed by all living things. What is it called?
a.
Photosynthesis
d.
Glycolysis
b.
Heterosynthesis
e.
None of the above
c.
Respiration
Q32
Which of the following is not a building block of RNA?
a.
sugar
b.
phosphate
c.
lipid
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d.
e.
base
None of the above
Introductory Biology 1010
Dr. K. S. Dulai
Q33
Which fact about plants and photosynthesis is most true?
a.
Plants produce oxygen and carbon dioxide just during the day
b.
They produce carbon dioxide and oxygen just during the day
c.
They produce carbon dioxide during the night and oxygen during the day
d.
Plants produce oxygen just during the night and carbon dioxide during the day
e.
None the above
Q34
Which of the following term is least like the others?
a.
monosaccharide
b.
phospholipid
c.
fat
d.
e.
steroid
lipid
Q35
A substance moving across a membrane against a concentration gradient is moving by?
a.
Passive transport
c.
Active transport
b.
Osmosis
d.
Diffusion
e.
Facilitated diffusion
Q36
Hydrogen atoms are composed of?
a.
1 electron
b.
1 proton
c.
2 electrons
d.
e.
2 protons
1 proton and 1 electron
Q37
What is the tertiary structure of a protein?
a.
The interaction between two or more polypeptides
b.
The sequence of amino acids
c.
The domains formed by ionic interactions in different parts of a polypeptide
d.
The overall configuration of a polypeptide chain
e.
None of the above
Q38
During a condensation reaction what happens?
a.
An oxygen and an hydrogen atom unite to form water.
b.
Two oxygen atoms are bonded two hydrogen atoms to form water
c.
Water is needed for the reaction
d.
Water is released from the reaction.
e.
None of the above
Match each cell component to its function, for the questions below.
Q39. Mitochondrion e
a. protein synthesis
Q40. Chloroplast d
b. initial modification of new polypeptide chains
Q41. Ribosome a
c. modification of new proteins, sorting, shipping tasks
Q42. rough ER b
d. photosynthesis
Q43. Golgi body c
e. formation of many ATPs
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Introductory Biology 1010
Dr. K. S. Dulai
BONUS QUESTION (up to 15 points). When finished please detach just this one page and submit it to me before you leave.
Please enter your name below (if you forget I will not give you any bonus points – sorry)
FIRST NAME______________________________
LAST NAME__________________________________
Q). Compare and contrast mitosis and meiosis in the space below. Enter as much information as you can
remember. Use the back if you need more room.
THE EXAM IS FINISHED. SHOULD YOU HAVE TIME PLEASE REVIEW YOUR ANSWERS. (NOTE: ANSWERS TO SOME
OF THE LATTER QUESTIONS MAY HELP YOU DEDUCE THE ANSWERS TO OTHER QUESTIONS.
THANK YOU!
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