Question 1

Which of the following is an example of asexual reproduction in eukaryotes?

Accepted Answer

A) budding in Hydra 
B) binary fission in Escherichia coli 
C) meiosis in plants 
D) the union of sperm and egg in sea urchins 
A) budding in Hydra 
B) binary fission in Escherichia coli 
C) meiosis in plants 
D) the union of sperm and egg in sea urchins

Question 2

How many different types of nitrogen-containing bases are found in DNA?

Accepted Answer

The answer of How many different types of nitrogen-containing bases...

Question 3

In prokaryotes, the DNA strand is:

Accepted Answer

A) more than 1.8 meters (6 feet)long when uncoiled. 
B) circular. 
C) single-stranded. 
D) not made of deoxyribose. 
A) more than 1.8 meters (6 feet)long when uncoiled. 
B) circular. 
C) single-stranded. 
D) not made of deoxyribose.

Question 4

How many haploid cells are produced by one diploid cell during meiosis?

Accepted Answer

A) one 
B) two 
C) four 
D) 8 million 
A) one 
B) two 
C) four 
D) 8 million

Question 5

In meiosis, sister chromatids separate during:

Accepted Answer

A) cytokinesis. 
B) prophase I. 
C) prophase II. 
D) anaphase I. 
E) anaphase II. 
A) cytokinesis. 
B) prophase I. 
C) prophase II. 
D) anaphase I. 
E) anaphase II.

Question 6

In flowering plants, pollen represents the:

Accepted Answer

A) haploid stage. 
B) diploid stage. 
C) zygote. 
A) haploid stage. 
B) diploid stage. 
C) zygote.

Question 7

Nucleotides are the building blocks of ________.

Accepted Answer

DNA and RN

Question 8

What would be a consequence of a mutation that disables the production of Cdk's?

Accepted Answer

A) Cyclins would not be produced. 
B) Cell-cycle control would not be possible. 
C) The nuclear envelope would disintegrate. 
D) Telomere length would be shortened significantly. 
A) Cyclins would not be produced. 
B) Cell-cycle control would not be possible. 
C) The nuclear envelope would disintegrate. 
D) Telomere length would be shortened significantly.

Question 9

In a typical human body cell, how many sex chromosomes are there?

Accepted Answer

A) 1 
B) 2 
C) 23 
D) 46 
A) 1 
B) 2 
C) 23 
D) 46

Question 10

During which phase of the eukaryotic cell cycle do growth and nutrient acquisition occur?

Accepted Answer

A) the S phase of interphase 
B) the G1 phase of interphase 
C) the mitotic phase 
D) cytokinesis 
A) the S phase of interphase 
B) the G1 phase of interphase 
C) the mitotic phase 
D) cytokinesis

Question 11

During which phase of mitosis do the centromeres line up along the cell equator?

Accepted Answer

A) anaphase 
B) prophase 
C) metaphase 
D) telophase 
A) anaphase 
B) prophase 
C) metaphase 
D) telophase

Question 12

The uncoiled DNA in a eukaryotic cell is much longer than the cell itself. True or False?

Accepted Answer

A) True 
 B)False

Question 13

During meiosis, maternal and paternal chromosomes can exchange genetic material at sites called:

Accepted Answer

A) chiasmata. 
B) centrioles. 
C) centromeres. 
D) chromatids. 
A) chiasmata. 
B) centrioles. 
C) centromeres. 
D) chromatids.

Question 14

How does anaphase of mitosis differ from anaphase I of meiosis?

Accepted Answer

A) In anaphase of mitosis, sister chromatids separate, but in anaphase I of meiosis, homologous chromosomes separate. 
B) In anaphase of mitosis, homologous chromosomes separate, but in anaphase I of meiosis, sister chromatids separate. 
C) Sister chromatids do not separate in mitosis, but in anaphase I of meiosis, sister chromosomes do separate. 
D) In anaphase of mitosis, sister chromatids join together, but in anaphase I of meiosis, homologous chromosomes join together. 
A) In anaphase of mitosis, sister chromatids separate, but in anaphase I of meiosis, homologous chromosomes separate. 
B) In anaphase of mitosis, homologous chromosomes separate, but in anaphase I of meiosis, sister chromatids separate. 
C) Sister chromatids do not separate in mitosis, but in anaphase I of meiosis, sister chromosomes do separate. 
D) In anaphase of mitosis, sister chromatids join together, but in anaphase I of meiosis, homologous chromosomes join together.

Question 15

Most prokaryotes reproduce via a form of asexual reproduction called binary fission. True or False?

Accepted Answer

A) True 
 B)False

Question 16

Which of the following occurs during meiosis?

Accepted Answer

A) Haploid nuclei with unpaired chromosomes are produced from diploid parent nuclei with paired chromosomes. 
B) Diploid nuclei with unpaired chromosomes are produced from haploid parent nuclei with paired chromosomes. 
C) Haploid nuclei with paired chromosomes are produced from diploid parent nuclei with unpaired chromosomes. 
D) Diploid nuclei with paired chromosomes are produced from haploid parent nuclei with unpaired chromosomes. 
A) Haploid nuclei with unpaired chromosomes are produced from diploid parent nuclei with paired chromosomes. 
B) Diploid nuclei with unpaired chromosomes are produced from haploid parent nuclei with paired chromosomes. 
C) Haploid nuclei with paired chromosomes are produced from diploid parent nuclei with unpaired chromosomes. 
D) Diploid nuclei with paired chromosomes are produced from haploid parent nuclei with unpaired chromosomes.

Question 17

Genetic inheritance is based on the "blueprint" of:

Accepted Answer

A) DNA. 
B) proteins. 
C) enzymes. 
D) mRNA. 
A) DNA. 
B) proteins. 
C) enzymes. 
D) mRNA.

Question 18

Nuclear envelopes form during which phase of mitosis?

Accepted Answer

A) anaphase 
B) prophase 
C) metaphase 
D) telophase 
A) anaphase 
B) prophase 
C) metaphase 
D) telophase

Question 19

When gametes fuse during fertilization, a(n)________ is produced.

Accepted Answer

A) egg 
B) sperm 
C) zygote 
D) haploid individual 
A) egg 
B) sperm 
C) zygote 
D) haploid individual

Question 20

In eukaryotic cells, chromosomes are composed of both DNA and proteins. True or False?

Accepted Answer

A) True 
 B)False

Exam 9: The Continuity of Life: Cellular Reproduction

Which of the following is an example of asexual reproduction in eukaryotes?

How many different types of nitrogen-containing bases are found in DNA?

In prokaryotes, the DNA strand is:

How many haploid cells are produced by one diploid cell during meiosis?

In meiosis, sister chromatids separate during:

In flowering plants, pollen represents the:

Nucleotides are the building blocks of ________.

What would be a consequence of a mutation that disables the production of Cdk's?

In a typical human body cell, how many sex chromosomes are there?

During which phase of the eukaryotic cell cycle do growth and nutrient acquisition occur?

During which phase of mitosis do the centromeres line up along the cell equator?

The uncoiled DNA in a eukaryotic cell is much longer than the cell itself. True or False?

During meiosis, maternal and paternal chromosomes can exchange genetic material at sites called:

How does anaphase of mitosis differ from anaphase I of meiosis?

Most prokaryotes reproduce via a form of asexual reproduction called binary fission. True or False?

Which of the following occurs during meiosis?

Genetic inheritance is based on the "blueprint" of:

Nuclear envelopes form during which phase of mitosis?

When gametes fuse during fertilization, a(n)________ is produced.

In eukaryotic cells, chromosomes are composed of both DNA and proteins. True or False?

An Introduction to Life on Earth

Atoms, Molecules, and Life

Biological Molecules

Cell Structure and Function

Cell Membrane Structure and Function

Energy Flow in the Life of a Cell

Capturing Solar Energy: Photosynthesis

Harvesting Energy: Glycolysis and Cellular Respiration

Patterns of Inheritance

Dna: the Molecule of Heredity

Gene Expression and Regulation

Biotechnology

Principles of Evolution

How Populations Evolve

The Origin of Species

The History of Life

Systematics: Seeking Order Amidst Diversity

The Diversity of Prokaryotes and Viruses

The Diversity of Protists

The Diversity of Plants

The Diversity of Fungi

Animal Diversity I: Invertebrates

Animal Diversity Ii: Vertebrates

Animal Behavior

Population Growth and Regulation

Community Interactions

How Do Ecosystems Work

Earths Diverse Ecosystems

Conserving Earths Biodiversity

Homeostasis and the Organization of the Animal Body

Circulation

Respiration

Nutrition and Digestion

The Urinary System

Defenses Against Disease

Chemical Control of the Animal Body: the Endocrine System

The Nervous System

The Senses

Action and Support: the Muscles and Skeleton

Animal Reproduction

Animal Development

Plant Anatomy and Nutrient Transport

Plant Reproduction and Development

Plant Responses to the Environment

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