Question 1

The cell itself begins to elongate during which phase of meiosis?

Accepted Answer

A) prophase I 
B) metaphase I 
C) anaphase I 
D) telophase I 
E) metaphase II 
A) prophase I 
B) metaphase I 
C) anaphase I 
D) telophase I 
E) metaphase II

Question 2

The series of events during which a newly formed cell grows and divides is ____.

Accepted Answer

A) the cell cycle 
B) reproduction 
C) meiosis 
D) M phase 
E) S phase 
A) the cell cycle 
B) reproduction 
C) meiosis 
D) M phase 
E) S phase

Question 3

Microfilaments are made from what protein?

Accepted Answer

A) myosin 
B) actin 
C) troponin 
D) histones 
E) chromatin 
A) myosin 
B) actin 
C) troponin 
D) histones 
E) chromatin

Question 4

Match between columns
                        Premises: The first new nuclear membrane forms.
New genetic combinations are present after this stage.
Recombination via crossing over occurs during this stage.
At the end of this phase, the number of homologous chromosomes is reduced in half.
During this stage, the sister chromatids separate.
All sister chromatids separate.
The chromosomes condense.
Chiasmata (points for crossing over)are present during this stage.
The formation of groups of four chromatids occurs during this stage.
Following this phase, each individual cell is haploid.
Four haploid cells are formed.
During this phase, the centromeres separate.

Accepted Answer

The Answer of telophase I and prophase I and telophase is...

Question 5

One of the major differences between meiosis and mitosis is that in meiosis ____.

Accepted Answer

A) there are two consecutive divisions 
B) DNA is not replicated 
C) diploid cells are formed 
D) cells with 46 chromosomes are formed 
E) all body cells are formed 
A) there are two consecutive divisions 
B) DNA is not replicated 
C) diploid cells are formed 
D) cells with 46 chromosomes are formed 
E) all body cells are formed

Question 6

The mature ovum is produced by maturation of the ____.

Accepted Answer

A) oogonia 
B) primary oocyte 
C) primary polar body 
D) secondary oocyte 
E) secondary polar body 
A) oogonia 
B) primary oocyte 
C) primary polar body 
D) secondary oocyte 
E) secondary polar body

Question 7

At which phase do built-in checkpoints stop the cell cycle from proceeding?

Accepted Answer

A) G1 phase 
B) S phase 
C) G2 phase 
D) M phase 
E) R phase 
A) G1 phase 
B) S phase 
C) G2 phase 
D) M phase 
E) R phase

Question 8

The typical number of ____________________ in humans is 46.

Accepted Answer

The answer of The typical number of ____________________ in humans...

Question 9

During which phase does the nuclear envelope begin to break down?

Accepted Answer

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

Question 10

A cell spends the least amount of time in which phase?

Accepted Answer

A) G1 phase 
B) S phase 
C) G2 phase 
D) M phase 
E) R phase 
A) G1 phase 
B) S phase 
C) G2 phase 
D) M phase 
E) R phase

Question 11

During which phase of gamete production do sister chromatids separate?

Accepted Answer

A) meiosis I 
B) meiosis II 
C) fertilization 
D) mitosis I 
E) mitosis II 
A) meiosis I 
B) meiosis II 
C) fertilization 
D) mitosis I 
E) mitosis II

Question 12

What protein forms ring around the membrane pinching the cell into two separate cells?

Accepted Answer

A) myosin 
B) microfilaments 
C) troponin 
D) histones 
E) chromatin 
A) myosin 
B) microfilaments 
C) troponin 
D) histones 
E) chromatin

Question 13

During which phase are sister chromatids separated?

Accepted Answer

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

Question 14

The part of interphase after chromosomes are duplicated is the ____.

Accepted Answer

A) G1 phase 
B) S phase 
C) G2 phase 
D) M phase 
E) R phase 
A) G1 phase 
B) S phase 
C) G2 phase 
D) M phase 
E) R phase

Question 15

Sperm are formed directly from the maturation of ____.

Accepted Answer

A) sperm mother cells 
B) spermatids 
C) spermatogonia 
D) primary spermatocytes 
E) secondary spermatocytes 
A) sperm mother cells 
B) spermatids 
C) spermatogonia 
D) primary spermatocytes 
E) secondary spermatocytes

Question 16

Which cell is NOT haploid?

Accepted Answer

A) polar bodies 
B) primary oocyte 
C) secondary spermatocyte 
D) spermatids 
E) sperm 
A) polar bodies 
B) primary oocyte 
C) secondary spermatocyte 
D) spermatids 
E) sperm

Question 17

Match between columns
                        Premises: occurs in somatic cells 
chromosomes duplicated once
occurs in ovaries and testes
two diploid cells produced
gamete production
chromosomes duplicated twice
growth and repair of all body cells
four haploid cells produced

Accepted Answer

The Answer of mitosis and meiosis is...

Question 18

Under favorable conditions, during which phase of meiosis will the chromosomes appear as packets of four chromatids?

Accepted Answer

A) anaphase I 
B) telophase II 
C) anaphase II 
D) prophase I 
E) metaphase II 
A) anaphase I 
B) telophase II 
C) anaphase II 
D) prophase I 
E) metaphase II

Question 19

The part of interphase when DNA is copied is the ____.

Accepted Answer

A) G1 phase 
B) S phase 
C) G2 phase 
D) M phase 
E) R phase 
A) G1 phase 
B) S phase 
C) G2 phase 
D) M phase 
E) R phase

Question 20

The divisions of the cytoplasm occur ____.

Accepted Answer

A) after prophase 
B) between prophase and metaphase 
C) after anaphase 
D) after telophase 
E) between anaphase and telophase 
A) after prophase 
B) between prophase and metaphase 
C) after anaphase 
D) after telophase 
E) between anaphase and telophase

Exam 18: Cell Reproduction

The cell itself begins to elongate during which phase of meiosis?

The series of events during which a newly formed cell grows and divides is ____.

Microfilaments are made from what protein?

One of the major differences between meiosis and mitosis is that in meiosis ____.

The mature ovum is produced by maturation of the ____.

At which phase do built-in checkpoints stop the cell cycle from proceeding?

The typical number of ____________________ in humans is 46.

During which phase does the nuclear envelope begin to break down?

A cell spends the least amount of time in which phase?

During which phase of gamete production do sister chromatids separate?

What protein forms ring around the membrane pinching the cell into two separate cells?

During which phase are sister chromatids separated?

The part of interphase after chromosomes are duplicated is the ____.

Sperm are formed directly from the maturation of ____.

Which cell is NOT haploid?

Under favorable conditions, during which phase of meiosis will the chromosomes appear as packets of four chromatids?

The part of interphase when DNA is copied is the ____.

The divisions of the cytoplasm occur ____.

Learning About Human Biology

Chemistry of Life

Cells and How They Work

Tissues, Organs, and Organ Systems

The Skeletal System

The Muscular System

Circulation: the Heart and Blood Vessels

Blood

Immunity and Disease

The Respiratory System

Digestion and Nutrition

The Urinary System

The Nervous System

Sensory Systems

The Endocrine System

Reproductive Systems

Development and Aging

Introduction to Genetics

Chromosomes and Human Genetics

DNA Genes and Biotechnology

Genes and Disease: Cancer

Principles of Evolution

Principles of Ecology

Human Impacts on the Biosphere

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