Question 1

-The cell in the accompanying figure is in ____.

Accepted Answer

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

Question 2

Match the correct term with its corresponding description:
-cancer

Accepted Answer

A) process in which malignant cells spread from one part of the body to another 
B) gene that helps transform a normal cell into a tumor cell 
C) enzyme that lengthens telomeres 
D) accumulation of abnormally dividing cells 
E) disease that occurs when a malignant neoplasm physically and metabolically disrupts body tissues
F)tumors form when these gene products are missing
G)noncoding DNA sequence at the end of chromosomes that protects coding sequences from degradation
H)gene that, by mutation, can become an oncogene 
A) process in which malignant cells spread from one part of the body to another 
B) gene that helps transform a normal cell into a tumor cell 
C) enzyme that lengthens telomeres 
D) accumulation of abnormally dividing cells 
E) disease that occurs when a malignant neoplasm physically and metabolically disrupts body tissues
F)tumors form when these gene products are missing
G)noncoding DNA sequence at the end of chromosomes that protects coding sequences from degradation
H)gene that, by mutation, can become an oncogene

Question 3

In animal cells, the cytoplasm divides by formation of a ____, while in plant cells, cytoplasmic division occurs by formation of a ____.

Accepted Answer

A) cell plate; contractile ring 
B) contractile ring; cell plate 
C) cleavage furrow; contractile ring 
D) contractile ring; cleavage furrow 
E) cell plate; cleavage furrow 
A) cell plate; contractile ring 
B) contractile ring; cell plate 
C) cleavage furrow; contractile ring 
D) contractile ring; cleavage furrow 
E) cell plate; cleavage furrow

Question 4

During interphase, the chromosomes are loose and thread-like but they tightly condense in preparation for mitosis. Why?

Accepted Answer

Chromosomes must condense into

Question 5

The chromosomes have arrived at opposite poles by the beginning of ____.

Accepted Answer

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

Question 6

Which cell structure is present during plant cell division but not animal cell division?

Accepted Answer

A) cleavage furrow 
B) cytokinesis 
C) spindle 
D) sister chromatids 
E) cell plate 
A) cleavage furrow 
B) cytokinesis 
C) spindle 
D) sister chromatids 
E) cell plate

Question 7

Any gene that can transform a normal cell into a tumor cell is called a(n) ____.

Accepted Answer

A) proto-oncogene 
B) oncogene 
C) neoplasm 
D) checkpoint gene 
E) carcinoma 
A) proto-oncogene 
B) oncogene 
C) neoplasm 
D) checkpoint gene 
E) carcinoma

Question 8

Match each stage with the events listed.
A)sister chromatids separate
B)chromosomes start to condense
C)new nuclei form
D)all duplicated chromosomes are aligned at the spindle equator _______ metaphase
_______ prophase
_______ telophase
_______ anaphase

Accepted Answer

The answer of Match each stage with the events listed.
A)sister...

Question 9

Match each term with its corresponding description.
-centromere

Accepted Answer

A) formed from lengthening microtubules 
B) a band of actin and motor proteins that forms under the plasma membrane during anaphase 
C) disk-shaped structure that forms and partitions descendant cells during cytokinesis in a plant cell 
D) location at which spindle microtubules assemble and bind to chromosomes 
E) in a dividing animal cell, the indentation where cytoplasmic division will occur 
A) formed from lengthening microtubules 
B) a band of actin and motor proteins that forms under the plasma membrane during anaphase 
C) disk-shaped structure that forms and partitions descendant cells during cytokinesis in a plant cell 
D) location at which spindle microtubules assemble and bind to chromosomes 
E) in a dividing animal cell, the indentation where cytoplasmic division will occur

Question 10

Match each term with its corresponding description.
-spindle

Accepted Answer

A) formed from lengthening microtubules 
B) a band of actin and motor proteins that forms under the plasma membrane during anaphase 
C) disk-shaped structure that forms and partitions descendant cells during cytokinesis in a plant cell 
D) location at which spindle microtubules assemble and bind to chromosomes 
E) in a dividing animal cell, the indentation where cytoplasmic division will occur 
A) formed from lengthening microtubules 
B) a band of actin and motor proteins that forms under the plasma membrane during anaphase 
C) disk-shaped structure that forms and partitions descendant cells during cytokinesis in a plant cell 
D) location at which spindle microtubules assemble and bind to chromosomes 
E) in a dividing animal cell, the indentation where cytoplasmic division will occur

Question 11

Normal checkpoint genes encoding proteins that promote mitosis are called ____.

Accepted Answer

A) carcinogens 
B) proto-oncogenes 
C) mitogens 
D) oncogenes 
E) growth inhibitor genes 
A) carcinogens 
B) proto-oncogenes 
C) mitogens 
D) oncogenes 
E) growth inhibitor genes

Question 12

During anaphase, homologous chromosomes separate.​

Accepted Answer

A) True 
 B)False

Question 13

Match the correct term with its corresponding description:
-metastasis

Accepted Answer

A) process in which malignant cells spread from one part of the body to another 
B) gene that helps transform a normal cell into a tumor cell 
C) enzyme that lengthens telomeres 
D) accumulation of abnormally dividing cells 
E) disease that occurs when a malignant neoplasm physically and metabolically disrupts body tissues
F)tumors form when these gene products are missing
G)noncoding DNA sequence at the end of chromosomes that protects coding sequences from degradation
H)gene that, by mutation, can become an oncogene 
A) process in which malignant cells spread from one part of the body to another 
B) gene that helps transform a normal cell into a tumor cell 
C) enzyme that lengthens telomeres 
D) accumulation of abnormally dividing cells 
E) disease that occurs when a malignant neoplasm physically and metabolically disrupts body tissues
F)tumors form when these gene products are missing
G)noncoding DNA sequence at the end of chromosomes that protects coding sequences from degradation
H)gene that, by mutation, can become an oncogene

Question 14

The mitotic spindle becomes visible during ____.

Accepted Answer

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

Question 15

​Explain National Geographic Explorer Iain Couzin's concept of the parallels between cancer cell migration and animal swarms.

Accepted Answer

As animals do in swarms, metastatic cell

Exam 11: How Cells Reproduce

-The cell in the accompanying figure is in ____.

Match the correct term with its corresponding description: -cancer

In animal cells, the cytoplasm divides by formation of a ____, while in plant cells, cytoplasmic division occurs by formation of a ____.

During interphase, the chromosomes are loose and thread-like but they tightly condense in preparation for mitosis. Why?

The chromosomes have arrived at opposite poles by the beginning of ____.

Which cell structure is present during plant cell division but not animal cell division?

Any gene that can transform a normal cell into a tumor cell is called a(n) ____.

Match each stage with the events listed. A)sister chromatids separate B)chromosomes start to condense C)new nuclei form D)all duplicated chromosomes are aligned at the spindle equator _______ metaphase _______ prophase _______ telophase _______ anaphase

Match each term with its corresponding description. -centromere

Match each term with its corresponding description. -spindle

Normal checkpoint genes encoding proteins that promote mitosis are called ____.

During anaphase, homologous chromosomes separate.​

Match the correct term with its corresponding description: -metastasis

The mitotic spindle becomes visible during ____.

​Explain National Geographic Explorer Iain Couzin's concept of the parallels between cancer cell migration and animal swarms.

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Filters

In animal cells, the cytoplasm divides by formation of a , while in plant cells, cytoplasmic division occurs by formation of a .

Match each stage with the events listed. A)sister chromatids separate B)chromosomes start to condense C)new nuclei form D)all duplicated chromosomes are aligned at the spindle equator ___ metaphase _ prophase _ telophase ___ anaphase

During anaphase, homologous chromosomes separate.

Explain National Geographic Explorer Iain Couzin's concept of the parallels between cancer cell migration and animal swarms.