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BIOL 100 Final Questions With Correct Answers
BIOL 100 Final Questions With Correct Answers
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BIOL 100 Final Questions With Correct AnswersWhich of the following correctly describes proteins?
Proteins are synthesized from amino acids
Proteins catalyze chemical reactions (enymes)
The primary protein structure is a precise sequence of amino Acids
Enzymes (proteins) act upon their substrate
All are correct ✔️Ans - All are correct
Enzymes are never consumed or altered while fulfilling their catalytic function
(T or F) ✔️Ans - True
An Assumption and a Hypothesis are the same thing (T or F) ✔️Ans - T
Which of the following accurately describes the role or function of Bromelain
✔️Ans - A naturally occuring enzyme
An experimental design must have: ✔️Ans - An assumption, control, and
experimental protocol
The Results and Discussion of a scientific experiment are one and the same. (T
or F) ✔️Ans - True
This experiment has no ramifications for human health (T or F) ✔️Ans -
False
The primary purpose of meiosis is to reduce the number of chromosomes in
sex cells (gametes). (T or F) ✔️Ans - True
How many chromosomes are in a human gamete? ✔️Ans - 23
The products of meiosis are: ✔️Ans - four genetically different, haploid cells
In which phase of meiosis does recombination, or crossing over, occur? ✔️Ans
- prophase I
What is the purpose of recombination (crossing over)? ✔️Ans - to create
chromosomes that are a new combination of paternal and maternal material
, In a human cell that is haploid, how many chromosomes are there, and what
type are the chromosomes? ✔️Ans - 22 autosomes and 1 sex chromosome
A human male has: ✔️Ans - an X from his mother and a Y from his father
Why does ova production result in one egg and three polar bodies? ✔️Ans -
This allows the egg to receive most of the cytoplasm.
When a cutting from a plant sprouts roots and eventually becomes a new,
complete plant, the process that has occurred is called self-fertilization. (T or
F) ✔️Ans - True
If an egg is fertilized by a sperm carrying an X chromosome, we would see a
✔️Ans - cell with XX, which would be female.
A chromosome is a(n) ✔️Ans - DNA molecule
What is the relationship between a genome and a gene? ✔️Ans - A genome is
an entire collection of genes for an organism.
Which molecule is made in the nucleus, but exits to function on an organelle in
the cytoplasm? ✔️Ans - mRNA
During the S phase of the cell cycle, DNA is being replicated. (T or F) ✔️Ans -
True
A chemical that could inhibit microtubule formation might be able to inhibit
cancer growth in humans. (T or F) ✔️Ans - True
During cell division, mitochondria, lysosomes, ribosomes and other cell
components are divided between the two daughter cells during ✔️Ans -
cytokinesis
If a cell contains 20 chromosomes, how many chromatids will be present
during prophase? ✔️Ans - 40
During mitosis, sister chromatids are moved to opposite poles in the cell in
✔️Ans - anaphase
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