HESI A2 Biology Exam Question & Answers
1. Which movement requires carrier protein but no direct cellular energy?
Facilitated transport
2. Which term denotes the movement of glucose molecules from an area of
lower concentration to an area of higher concentration?
Active transport
3. Plasmolysis is a term describing?
Cellular shrinkage, which occurs when cells are immersed in hypertonic solurion
4. The movement of substances from lesser concentration to higher
concentration is called?
Active transport
5. Which particular structure is present in both eukaryotic and prokaryotic
cells?
Cell membrane
6. Plant cells differ from animal cells in?
The plant cells have a cell wall and animal cells do not
7. Which cell type is characterized by the lack of true nucleus and the
absence of membrane-bound organelle?
Prokaryotic cell
8. Which organelle is associated with hydrolytic enzymes and is sometimes
referred to as a "suicide bag"
Lysosomes
9. Pinocytosis is the process of?
Enclosing a liquid substance in a membrane and secreting it into the cell
10. The plasma membrane of the eukaryotic cell determines selectively
which substances can enter and leave the cell. Such a membrane is said to
be ?
Selectively permeable
11. What primarily determines the shape of cells that lack cell walls?
Microtubule and microfilaments
12. Which pair of organelles is responsible foe energy supply to
eukaryotic cells?
Chloroplast and mitochondria
13. Whit which organelle is the synthesis of ATP associated?
Mitochondrion
14. The plasma membrane is soluble to?
Lipids
15. The process whereby muscle cell produce lactic acid is called?
Fermentation
16. During aerobic respiration, which one of the following substances is
released?
36ATP
17. Noncyclic-photophosphorylation takes place inside the?
Thylakoids
, 18. The dark reaction of photosynthesis takes place in ?
Stroma
19. Aerobic cellular respiration is more important to sustaining life than
anaerobic because it produces?
More energy
20. Which organelle is responsible for oxygen production?
Chloroplast
21. An organic catalyst that enhances the chemical reaction is called?
An enzyme
22. The first stage of aerobic cellular respiration is?
Glycolysis
23. Glycolysis occurs in the?
Cytoplasm
24. For the aerobic pathway, electron transport systems are located in
the?
Mitochondrion
25. Codominance occurs when?
Both the alleles in a heterozygote are expressed phenotypically in a individual
26. Mitosis in a single human cell usually results in the formation of ?
2 diploid cells
27. Meiosis in a single human cell usually results in the formation of?
4 haploid cells
28. If you reproduce sexually, you produce gametes via?
Meiosis
29. If you reproduce asexually, you produce offspring via?
Mitosis
30. What type of allele is expressed in the phenotype of only a
homozygous individual?
Dominant
31. The sex of a human child is determined by the sex chromosome
from?
The father
32. Cell division occurs most rapidly in?
Cancerous tissue
33. Which blood type would be a universal donor?
O
34. Passage of water through the membrane of a cell is called ?
Osmosis
35. Which term includes all others?
Organism
36. The kreb cycle produces?
CO2 and H2
37. The presence of which substance is most important for all cell
activity ?
Water
38. The basic structure of a cell membranes is a ?
Protein-impregnated phospholipid bilayer
, 39. Cytoplasmic structures that contain powerful hydrolysis enzymes,
which could lead to cell destruction in the absence of surrounding
membranes, are?
Lysosomes
40. Organic substances made up of several amino acids bound together
are?
Proteins
41. The smallest known microorganisms are?
Viruses
42. The end product of protein metabolism is ?
Amino acids
43. Carbohydrates are absorbed into the blood as ?
Glucose
44. The substance basic to life is?
Proteins
45. The body obtains most of its nitrogen from ?
Proteins
46. The basic unit of living organism is ?
Cell
47. The diffusion of water through a semipermeable membrane is known
as ?
Osmosis
48. The process in which carbon dioxide and water are combined under
the influence of light in green plants is called ?
Photosynthesis
49. A protein substance that initiates and accelerates a chemical
reaction is called ?
Enzyme
50. Amino acids that cannot be manufactured by the body are called ?
Essential amino acids
51. The body's continual response to changes in the external and
internal enviroment is called ?
Homeostasis
52. The ability of a cell to reproduce is called ?
Mitosis
53. The part of the cell necessary for reproduction is the ?
Nucleus
54. Proteins are polymers of ?
Amino acids
55. In cellular metabolism glycolysis ?
Does not require O2
56. Cellular proteins are synthesized in ?
Ribosomes
57. In eukaryotic cells, the phase of division that produces two daughter
cells is ?
Cytokinesis
1. Which movement requires carrier protein but no direct cellular energy?
Facilitated transport
2. Which term denotes the movement of glucose molecules from an area of
lower concentration to an area of higher concentration?
Active transport
3. Plasmolysis is a term describing?
Cellular shrinkage, which occurs when cells are immersed in hypertonic solurion
4. The movement of substances from lesser concentration to higher
concentration is called?
Active transport
5. Which particular structure is present in both eukaryotic and prokaryotic
cells?
Cell membrane
6. Plant cells differ from animal cells in?
The plant cells have a cell wall and animal cells do not
7. Which cell type is characterized by the lack of true nucleus and the
absence of membrane-bound organelle?
Prokaryotic cell
8. Which organelle is associated with hydrolytic enzymes and is sometimes
referred to as a "suicide bag"
Lysosomes
9. Pinocytosis is the process of?
Enclosing a liquid substance in a membrane and secreting it into the cell
10. The plasma membrane of the eukaryotic cell determines selectively
which substances can enter and leave the cell. Such a membrane is said to
be ?
Selectively permeable
11. What primarily determines the shape of cells that lack cell walls?
Microtubule and microfilaments
12. Which pair of organelles is responsible foe energy supply to
eukaryotic cells?
Chloroplast and mitochondria
13. Whit which organelle is the synthesis of ATP associated?
Mitochondrion
14. The plasma membrane is soluble to?
Lipids
15. The process whereby muscle cell produce lactic acid is called?
Fermentation
16. During aerobic respiration, which one of the following substances is
released?
36ATP
17. Noncyclic-photophosphorylation takes place inside the?
Thylakoids
, 18. The dark reaction of photosynthesis takes place in ?
Stroma
19. Aerobic cellular respiration is more important to sustaining life than
anaerobic because it produces?
More energy
20. Which organelle is responsible for oxygen production?
Chloroplast
21. An organic catalyst that enhances the chemical reaction is called?
An enzyme
22. The first stage of aerobic cellular respiration is?
Glycolysis
23. Glycolysis occurs in the?
Cytoplasm
24. For the aerobic pathway, electron transport systems are located in
the?
Mitochondrion
25. Codominance occurs when?
Both the alleles in a heterozygote are expressed phenotypically in a individual
26. Mitosis in a single human cell usually results in the formation of ?
2 diploid cells
27. Meiosis in a single human cell usually results in the formation of?
4 haploid cells
28. If you reproduce sexually, you produce gametes via?
Meiosis
29. If you reproduce asexually, you produce offspring via?
Mitosis
30. What type of allele is expressed in the phenotype of only a
homozygous individual?
Dominant
31. The sex of a human child is determined by the sex chromosome
from?
The father
32. Cell division occurs most rapidly in?
Cancerous tissue
33. Which blood type would be a universal donor?
O
34. Passage of water through the membrane of a cell is called ?
Osmosis
35. Which term includes all others?
Organism
36. The kreb cycle produces?
CO2 and H2
37. The presence of which substance is most important for all cell
activity ?
Water
38. The basic structure of a cell membranes is a ?
Protein-impregnated phospholipid bilayer
, 39. Cytoplasmic structures that contain powerful hydrolysis enzymes,
which could lead to cell destruction in the absence of surrounding
membranes, are?
Lysosomes
40. Organic substances made up of several amino acids bound together
are?
Proteins
41. The smallest known microorganisms are?
Viruses
42. The end product of protein metabolism is ?
Amino acids
43. Carbohydrates are absorbed into the blood as ?
Glucose
44. The substance basic to life is?
Proteins
45. The body obtains most of its nitrogen from ?
Proteins
46. The basic unit of living organism is ?
Cell
47. The diffusion of water through a semipermeable membrane is known
as ?
Osmosis
48. The process in which carbon dioxide and water are combined under
the influence of light in green plants is called ?
Photosynthesis
49. A protein substance that initiates and accelerates a chemical
reaction is called ?
Enzyme
50. Amino acids that cannot be manufactured by the body are called ?
Essential amino acids
51. The body's continual response to changes in the external and
internal enviroment is called ?
Homeostasis
52. The ability of a cell to reproduce is called ?
Mitosis
53. The part of the cell necessary for reproduction is the ?
Nucleus
54. Proteins are polymers of ?
Amino acids
55. In cellular metabolism glycolysis ?
Does not require O2
56. Cellular proteins are synthesized in ?
Ribosomes
57. In eukaryotic cells, the phase of division that produces two daughter
cells is ?
Cytokinesis
