Cell Cycles and DNA Replication

Cell Cycles and DNA Replication

By ms. sciencedonewright

Multiple Choice

What is the longest stage of the cell cycle called?

• Cytokinesis

• M phase

• Interphase

• G1 Phase

Multiple Choice

During what stage does the G₁, S and G₂ phases happen?

• Interphase
• M phase
• Mitosis
• Cytokinesis

Multiple Choice

During which stage of the cell cycle does mitosis and cytokinesis occur?

• Interphase
• S phase
• M phase
• G1 phase

Multiple Choice

During what phase of the cell cycle is DNA replicated?

• G1 phase
• S phase
• G2 phase
• M phase

Multiple Choice

During what phase of the cell cycle does the cell grow?

• G1 phase
• S phase
• M phase
• Cytokinesis

Multiple Choice

During what phase of the cell cycle does the cell prepare for mitosis?

• G1 phase
• S phase
• G2 phase
• M phase

Multiple Choice

What must occur during the cell cycle to ensure proper division of the chromosomes?  

• The cell must grow in size
• The mitochondria must divide 
• The DNA of the cell must replicate
• The cell membrane must dissolve

Multiple Choice

The main purpose of DNA replication is to ___.  

• Capture sunlight
• Store energy in the bonds of a glucose molecule
• Synthesize proteins 
• Copy genetic information 

Mitosis

Let's look at the part of the cell cycle labeled "M Phase" or MITOSIS.

​

• the goal of mitosis is to create 2 IDENTICAL DAUGHTER CELLS, or DIPLOID cells.

• There are 4 main phases...​

Biology | Cells

Cell Cycle: Mitosis

Multiple Choice

In mitosis, the two resulting cells are

• different from the starting cell and identical to each other.

• different from the starting cell and different from each other.

• identical to the starting cell and different from each other.

• identical to the starting cell and identical to each other.

Multiple Choice

How many stages are in mitosis?

• 1

• 2

• 3

• 4

Multiple Choice

What is the diploid number of chromosomes in the above diagrams?   

• 2
• 4
• 6
• 8

Multiple Choice

A daughter cell that resulted from a mitotic division has 24 chromosomes.  How many chromosomes did the parent cell have?   

• 6
• 12
• 24
• 48

Multiple Choice

Put the following stages of mitosis in order: anaphase, prophase, metaphase, and telophase.

• prophase, metaphase, telophase, anaphase

• prophase, anaphase, metaphase, telophase

• prophase, metaphase, anaphase, telophase

• prophase, telophase, metaphase, anaphase

Multiple Choice

The stages of the cell cycle are shown in random order to the left.  Starting with prophase, sequence the diagrams to show the stages of mitosis.                          

• 5-3-1-2-4
• 3-1-4-2-5
• 4-1-2-5-3
• 2-3-1-5-4

Multiple Choice

What phase of Mitosis is pictured here?

• Prophase

• Metaphase

• Anaphase

• Telophase

Multiple Choice

What phase of Mitosis is pictured here?

• Prophase

• Metaphase

• Anaphase

• Telophase

Multiple Choice

What phase of Mitosis is pictured here?

• Prophase

• Metaphase

• Anaphase

• Telophase

Multiple Choice

What phase of Mitosis is pictured here?

• Prophase

• Metaphase

• Anaphase

• Telophase

Multiple Choice

Mitosis results in how many cells, and of what type?

• 2, Haploid

• 2 Diploid

• 4 Haploid

• 4 Diploid

Multiple Choice

Uncontrolled cell division results in what?

• Cell growth

• Cell death

• tumors/cancer

• none of these

Mitosis vs Meiosis

Now let's look at a very similar process to Mitosis, called MEIOSIS.

​

• meiosis creates 4 NON-IDENTICAL DAUGHTER CELLS, or HAPLOID cells

• Has 4 phases, just goes through it TWICE :0

  ​

Biology | Cells

Some text here about the topic of discussion

Multiple Choice

What is the result when a single cell reproduces by meiosis?

• two cells that have twice the genetic information as the parent cell

• four cells that have half the genetic information as the parent cell

Multiple Choice

Which process and type of resulting cells are represented?

• mitosis, gametes

• mitosis, body cells

• meiosis, gametes

• meiosis, body cells

Multiple Choice

CROSSING OVER TAKES PLACE DURING

• PROPHASE II

• PROPHASE I

• INTERPHASE

• METAPHASE I

Multiple Choice

What is it called when a sperm and egg meet?

• meiosis
• fertilization
• cell division
• mitosis

Multiple Choice

The chromosomes that pair up during meiosis, are called __________ chromosomes.  

• homozygous 
• asexual
• homologous
• genes

Multiple Choice

A male shark has 40 chromosomes in each of its sex cells. How many would be present in its body cells?

• 20
• 40
• 80
• 160

Multiple Choice

Which letter(s) in the diagram correspond to cells that are haploid? 

• A
• B
• C
• A and B

Multiple Choice

Compared to the number of chromosomes contained in a body cell, how many chromosomes would normally be contained in a gamete?

• The same number
• One-fourth as many
• Twice as many
• Half as many

Multiple Choice

A human zygote should have _____ chromosomes inside.

• 46
• 23
• 92
• 64

Multiple Choice

Females have ____ and males have _____ chromosomes.

• XX, XY
• XY, XX
• XX, XX
• XY, XY

Multiple Choice

A human being has a somatic cell that has 46 chromosomes.  What is the haploid number found in a gamete?

• 23
• 46
• 69
• 92

Multiple Choice

Diploid Cells are represented by

• 2n
• n
• 4n
• 1/2 n

Multiple Choice

This law describes how each member of a homologous pair is pulled randomly to one side or another in anaphase I

• Law of Segregation

• Law of Independent Assortment

• Law of Gravity

• Law of Mathematical Order

Multiple Choice

This law describes how each homologous pair separates independently of any other pairs during Anaphase I of meiosis

• Law of Segregation

• Law of Independent Assortment

• Law of Gravity

• Law of Mathematical Order

Multiple Choice

Any change in the sequence of DNA is a

• recombination

• mutation

• chromatin

• independent assortment

DNA and Nucleotides

DNA= Deoxyribonucleic Acid (aka your genes!)

​

• DNA is comprised of nucleotides. Nucleotides link together to form a double helix structure that links together compose chromosomes DURING REPLICATION in Interphase and Mitosis/Meiosis :)​

Subject | Subject

Some text here about the topic of discussion

Multiple Choice

What does DNA stand for?

• Deoxyribonucleic acid
• Denitrogenous acid
• Deribonucleic acid
• Diribonucleic acid

Multiple Choice

Which of the following best describes a DNA molecule?

• double helix
• contains ribose
• made of amino acids
• contains Uracil

Multiple Choice

DNA is a polymer made of:

• Nucleotides
• Ribosomes
• Purines
• Pyrimidines

Multiple Choice

Why is DNA important?

• it is very small and very complicated
• it's in everything
• it serves as the blueprint for traits of all living things
• because we eat it every day for energy

Multiple Choice

Which organelle is DNA usually found in?

• cell membrane
• vacuole
• ribosome
• nucleus

Multiple Choice

What are the three components of a nucleotide?

• sugar, hydrogen, nitrogen base
• sugar, oxygen, nitrogen base
• sugar, phosphate, nitrogen base
• sugar, phosphate, protein

Multiple Choice

DNA codes for...

• bases
• proteins
• amino acids
• phosphates

Multiple Choice

Name this structure

• double helix

• nucelotide

• twisted ladder

• hydrogen bond

Multiple Choice

Why is DNA important?

• It gives each cell instructions on how to do its job.

• It is what the cell membrane is made of.

• It helps the cell use water.

• It is food for the cell.