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Exam (elaborations) HESI A2 BIO 2020/2021
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Exam (elaborations) HESI A2 BIO 2020/2021
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HESI A2 BIO 2020/20211.Which of the following is not true of mitosis?
A.Mitosis produces daughter cells
B.Mitosis has five main stages
C.Mitosis can only be done by haploids
D.Following mitosis, daughter cells are identical to parent cells
2.In meiosis, the chromosome number is reduced from:
A.46 to 23
B.46 to 33
C.28 to 14
D.24 to 12
3.Cellular respiration takes place in which of the following?
A.Golgi apparatus
B.Mitochondrion
C.Chloroplast
D.Ribosome
4.Which of the following is the term used to represent two alleles that are the same type?
A.Homosynchronous
B.Hypersynchronous
C.Heterozygous
D.Homozygous The Punnett square shows that one parent carries the recessive gene for a cleft chin
(c) while the other parent does not.
5.What percentage of the parents' offspring is predicted to have a cleft chin?
A. 25%
B. 50%
C. 0%
D. 75%
6.Which of the following options identifies the products of cell respiration?
A.Water, carbon dioxide, and oxygen
B.Glucose and oxygen
C.Water, carbon dioxide, and adenosine triphosphate (ATP)
D.Water, glucose, and oxygen
7.Which stage of mitosis is occurring when the nuclear envelope begins to disappear and the chromosomes begin to attach to the spindle that is forming along the axis of the cell?
A.Prometaphase
B.Metaphase
C.Anaphase D.Prophase
8.In the hierarchic organizational system, which of these is the most restrictive category?
A.Genus
B.Class
C.Kingdom
D.Species
9.Water is a polar molecule that can be:
A.cohesive and corrosive
B.cohesive and adhesive
C.electrostatic and ionic
D.repellent and attractive
10.What is considered the main objective of the translation stage of protein
synthesis?
A.To produce amino acids
B.To produce nucleotides
C.To produce fatty acids
D.To produce nucleic acids
11.Prokaryotic cells lack which of the following?
A.A cell membrane
B.Genetic material
C.Cytoplasm
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