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A bacterial cell divides into two new cells by an asexual process called \_\_\_\_\_\_\_\_\_\_.

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A bacterial cell divides into two new cells by an asexual process called \_\_\_\_\_\_\_\_\_\_. - PowerPoint PPT Presentation


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A bacterial cell divides into two new cells by an asexual process called \_\_\_\_\_\_\_\_\_\_. A) duplication. B) meiosis. C) binary fission. D) mitosis. . Mitosis is completed with the production of two genetically identical cells which are both:

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Presentation Transcript
slide1
A bacterial cell divides into two new cells by an asexual process called __________.

A) duplication.

B) meiosis.

C) binary fission.

D) mitosis.

slide2
Mitosis is completed with the production of two genetically identical cells which are both:

A) diploid with unpaired chromosomes.

B) diploid with paired chromosomes.

C) haploid with unpaired chromosomes.

D) haploid with paired chromosomes.

E) sperm or egg cells.

slide3
Sister chromatids are

A) replicated chromosomes held together by a common centromere.

B) specialized gamete-forming cells.

C) non-functional chromosomes.

D) homologous pairs of chromosomes.

E) different in their genetic content.

slide4
Chromosome replication occurs during

A) G1 phase

B) G0 phase

C) Prophase

D) S phase

E) none of the above are correct

slide5
The mitotic spindle is primarily composed of ________ which are sent out to attach to and separate chromosomes.

A) actin fibers

B) intermediate filaments

C) microtubules

D) keratin

E) motor proteins

slide6
The protein complex on each centromere where the spindle fibers attach is called the

A) Chromosome

B) Basal body

C) Kinetochore

D) Centriole

E) Metaphase plate

slide7
Sister chromatids are pulled apart and move to opposite ends of the cell

A. metaphase

B. prophase

C. telophase

D. anaphase

E. cytokinesis

slide8
Chromosomes line up along the equator of cell

A. metaphase

B. prophase

C. telophase

D. anaphase

E. cytokinesis

slide9
Cells are divided into two approximately equal halves, each getting about the same amount of cytoplasm

A. metaphase

B. prophase

C. telophase

D. anaphase

E. cytokinesis

slide10
Duplicated chromosomes condense; Spindle microtubules form; Chromosomes attach to spindle

A. metaphase

B. prophase

C. telophase

D. anaphase

E. cytokinesis

slide11
Chromosomes uncoil into chromatin; Nuclear envelope reforms

A. metaphase

B. prophase

C. telophase

D. anaphase

E. cytokinesis

slide12
Progression through the check points of the cell cycle is regulated by fluctuating concentrations of ______.

A) kinetochore

B) cyclin

C) ATP

D) cyclin-dependent kinases

slide13
Which one of the following is true about cancer cells?

A) Mitosis is strictly regulated and is regulated by contact inhibition.

B) Cancer cells form tumors only when strongly anchored to surrounding tissues.

C) Cancer cells display uncontrolled cell division typically caused by insertion or activation of oncogenes.

D) Tumors formed by cancer cells become encapsulated and always remain isolated in one location.

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