Biology Unit Test Review for DNA and Mitosis

Below these questions are links to animations and other tutorial help on concepts from this unit

also go to click on the "Biology Place" then click on "Biocoach" to find specific tutorials for this unit

The cell cycle is___?

What is the basic structure of a DNA molecule?

What is produced during transcription?

What are phases of mitosis in their proper sequence?

Which type(s) of RNA is(are) involved in protein synthesis?

What happens during the process of translation?

What are the basic features or structures of a chromatid or chromosome?

Why is it possible for an amino acid to be specified by more than one kind of codon?

    What is the source of all RNAs in a cell?

    What are the components (parts) of the cell cycle? What is each part responsible for accomplishing?

A mutation that involves a single nucleotide is called a(an)____.

Cancer is a disorder in which some cells have lost the ability to control their ____.

During normal mitotic cell division, a parent cell having four chromosomes will produce two daughter cells, each containing ___ chromosomes.

During DNA replication, a DNA strand that has the bases TCGAAC produces a strand with the complimentary bases.....

One major difference between cell division in plant cells and in animal cells is that plant cells have____?

What is the role of the spindle fibers (microtubules) during mitosis?

DNA is copied during a process called ____?

What happens when a cell divides?

As a cell becomes larger, its surface to volume ratio _____?

What happens when cells come into contact with other cells?

Because of base pairing in DNA, the percentage of _____ matches the amount of _____.

A lac repressor turns off the lac genes by _____ ?

Which molecules are found in both DNA and RNA?

The process by which a cell divides into two daughter cells is called ____?

If a specific kind of protein is not continually used by a cell, the gene for that protein is___?

How many codons are needed to specify three amino acids?

During transcription, an RNA molecule is formed that is ________ to the DNA.

In eukaryotic cells, the timing of the cell cycle is regulated by a specific molecule called _____.

Genes contain instructions for assembling _____.

In eukaryotes, DNA is found ____?

DNA replication results in two DNA molecules that are ____?

Figure 12–2

What does Figure 12–2 show?

Translate the following mRNA code into protein (use figure 12-2)


How does transcription differ from DNA replication? Describe at least four differences.

Describe how cancer cells are different from other cells. Based on these differences, explain why cancer has been such a difficult condition to cure.

Describe the structure of a DNA molecule.

What might be the effects of a mutation in the gene that codes for the lac repressor in E. coli?

Describe what happens during the four stages of mitosis.

Mitosis/ Cell Cycle: Chapter 10


Mitosis Animation

Mitosis Tutorial

Cell Cycle Tutorial

Mitosis Animation 1

Animal Cell Mitosis

Mitosis Tutorial

Cell Cycle Tutorial

Metastasis (cancer)

Activity: Onion Root tips

Onion Root Tutorial

DNA: Chapter 12:

(DNA/RNA/ Central Dogma/ Gene Expression)

DNA structure

DNA replication



Central Dogma

RNA polymerase


mRNA splicing

Transcription Video


Translation video

DNA Review


LacOperon Info (click on “the operon model”