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Biology Chapters 17 & 18 Study Guide – Genetics, Gene Expression, Evolution & Practice Questions

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Prepare for Biology Chapters 17 and 18 with a comprehensive study guide covering gene expression, DNA regulation, mutations, evolution, natural selection, and exam-style practice questions. Ideal for high school and college biology students.

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Pearson Biology Test Bank Questions: Chapter 17&18
Study online at https://quizlet.com/_jmvzxm

1. During which one of the following phases of the cell D) S phase
cycle is DNA replicated?
A) G2 phase
B) prophase
C) metaphase
D) S phase
E) G1 of interphase

2. During which one of the following phases of the cell E) mitotic phase
cycle does the cell divide?
A) G2 phase
B) interphase
C) S phase
D) late into G0
E) mitotic phase

3. DNA is organized and arranged in the nucleus as B) chromosomes.
A) mitotic spindles.
B) chromosomes.
C) histones.
D) the nucleolus.
E) ribosomes.

4. Which one of the following statements is TRUE regard- C) Duplicated DNA is divid-
ing the mitotic phase of the cell cycle? ed and distributed equally
A) The mitotic phase is longer than interphase. to the daughter cells.
B) It takes 18-24 hours to complete.
C) Duplicated DNA is divided and distributed equally to
the daughter cells.
D) DNA of the cell is replicated during this phase.
E) Most of the growth of the cell occurs during this
phase.


, Pearson Biology Test Bank Questions: Chapter 17&18
Study online at https://quizlet.com/_jmvzxm

5. Which one of the following statements is TRUE regard- B) Neurons and osteocytes
ing the G0 phase of the cell cycle? enter the G0 phase after
A) The G0 phase comes between the G1 and G2 phas- adolescence.
es.
B) Neurons and osteocytes enter the G0 phase after
adolescence.
C) Most cancer cells have entered the G0 phase.
D) All cells enter the G0, phase after mitosis.
E) Stems cells in the bone marrow are typically in the
G0 phase.

6. During which one of the following stages of the cell C) interphase
cycle do the chromosomes exist in the
form of chromatin that is not clearly visible under the
microscope?
A) metaphase
B) anaphase
C) interphase
D) early part of telophase
E) all stages of mitosis

7. The process of creating a strand of mRNA from a gene E) transcription.
sequence is called
A) replication.
B) reproduction.
C) translation.
D) metabolism.
E) transcription.

8. Once an mRNA molecule has been made from a gene, E) protein.
it is transported to the cytoplasm of the
cell where it is used to produce a

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