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(HESI A2) Exam Readiness Guide Q & S - Biology V1 $14.49   Add to cart

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(HESI A2) Exam Readiness Guide Q & S - Biology V1

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(HESI A2) Exam Readiness Guide Q & S - Biology V1(HESI A2) Exam Readiness Guide Q & S - Biology V1(HESI A2) Exam Readiness Guide Q & S - Biology V1(HESI A2) Exam Readiness Guide Q & S - Biology V1

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  • October 15, 2024
  • 17
  • 2024/2025
  • Exam (elaborations)
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  • Hesi A2
  • Hesi A2
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HESI A2



Biology




EXAM READINESS GUIDE
Q&S




©2024/2025

,1. Which of the following cellular organelles is primarily
responsible for protein synthesis?
- A) Mitochondria
- B) Ribosome
- C) Golgi apparatus
- D) Lysosome

Answer: B) Ribosome
Rationale: Ribosomes are the cellular structures where
protein synthesis occurs. They translate mRNA into
polypeptide chains.

2. What phase of the cell cycle does DNA replication
occur?
- A) G1 phase
- B) S phase
- C) G2 phase
- D) M phase

Answer: B) S phase
Rationale: During the S (synthesis) phase of the cell
cycle, the cell duplicates its DNA.

3. Which type of bond is formed between the oxygen and
hydrogen atoms within a water molecule?
- A) Ionic bond
- B) Covalent bond
- C) Hydrogen bond
- D) Van der Waals forces

Answer: B) Covalent bond
Rationale: Water molecules are held together by polar
©2024/2025

, covalent bonds between oxygen and hydrogen atoms.

4. In the context of genetic inheritance, which of the
following represents a homozygous recessive genotype?
- A) Aa
- B) aa
- C) AA
- D) AaBb

Answer: B) aa
Rationale: A homozygous recessive genotype consists
of two identical recessive alleles.

5. What is the main function of the smooth endoplasmic
reticulum?
- A) Protein synthesis
- B) Lipid synthesis
- C) DNA replication
- D) ATP production

Answer: B) Lipid synthesis
Rationale: The smooth ER is primarily involved in the
synthesis of lipids and hormones.

### Fill-in-the-Blank

6. The __________ is often referred to as the powerhouse
of the cell because it generates ATP.

Answer: Mitochondria
Rationale: Mitochondria are responsible for producing
ATP through cellular respiration.

©2024/2025

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