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HESI A2 BIOLOGY (100 Questions and Answers) A+ 2023
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HESI A2 BIOLOGY A+HESI A2 BIOLOGY (100 Questions
and Answers) A+
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 eucaryotic 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 reffered 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 eurokaryotic 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 eurokaryotic cells?
Chloroplast and mitochondria
, HESI A2 BIOLOGY A+
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 gamets via?
, HESI A2 BIOLOGY A+
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 ?
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