Lecture Exam #2

Lecture Exam #2

University

54 Qs

quiz-placeholder

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Lecture Exam #2

Lecture Exam #2

Assessment

Quiz

Science

University

Easy

Created by

Jocelyn Pitts

Used 8+ times

FREE Resource

54 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 5 pts

Somatic cell division differs from reproductive cell division in all of the following ways EXCEPT?

somatic cell division involves any call of the body except germ cells

Somatic cell division is termed mitosis while reproductive cell division is termed meiosis

Somatic cell division produces identical cells with the same number and kind of chromosomes while reproductive cell division produces cell with half the number of chromosomes

Somatic cell division only occurs in the ovaries and testes

2.

MULTIPLE CHOICE QUESTION

5 mins • 5 pts

Which of the following is mismatched?

Prophase- Chromatin fibers condense into paired chromatids

Metapahse- Centromeres of chromatid pairs line up at the metaphase plate

Anaphase- Centromeres split and identical sets of chromatids move to opposite ends of the cell

Telophase- Nuclear envelopes and nucleoli reappear

Interphase- Mitotic spindle disappears

3.

MULTIPLE CHOICE QUESTION

5 mins • 5 pts

On the way to class, carl tripped and injured his arm. The next morning his arm was badly bruised and showed signs of inflammation. were the injured cells in his arm undergoing apoptosis necrosis?

Apoptosis

Necrosis

4.

MULTIPLE CHOICE QUESTION

5 mins • 5 pts

Media Image

In the below image, look carefully at the structure labeled C. What happens to it during anaphase in somatic cell division?

the entire structure goes into one of the new cells being formed

the structure duplicates itself, and each new cell will get a complete "X" shaped structure

the center region splits, and each identical new cell gets one half of the "X" shaped structures

the center region splits, and both halves replicate, and two identical sections go into each new cell

none of these are correct statements on what is happening

5.

MULTIPLE CHOICE QUESTION

5 mins • 5 pts

Sister chromatids of a pair of homologous chromosomes form tetrads, and crossing-over (exchange of genetic information between regions of non-sister chromatids in the tetrad) occurs during which phase?

mitotic prophase

meiotic prophase l

mitotic metaphase

meiotic metaphase l

meiotic metaphase ll

6.

MULTIPLE CHOICE QUESTION

5 mins • 5 pts

cells are genetically programmed to die, responding to cell signals that can come from outside or inside the cell. this process is called necrosis and is a normal way to regulate cell numbers during fetal development and within tissues and organs after birth

true

false

7.

MULTIPLE CHOICE QUESTION

5 mins • 5 pts

DNA replication

can also be called mitosis

requires the use of mRNA, rRNA, and tRNA

takes place during S interphase of the cell cycle

reduces the number of chromosomes by half

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