Biology Genetics Dna/rna Test March 2013

Front 1

The offspring of sexual reproduction:

Back 1

receives half of its genetic material from each parent.

Front 2

The offspring of asexual reproduction:

Back 2

receives all of its genetic material from one parent.

Front 3

Using special enzymes, scientists have been able to isolate the gene that controls the production of Protein A from one type of bacteria and insert the gene into another type of bacteria that does not normally produce Protein A. These bacteria then produce Protein A. What is the name of this technique?

Back 3

genetic modification

Front 4

A ________ is a piece of DNA that contains instructions for the manufacturing of a protein.

Back 4

nitrogen base

Front 5

Prior to cell division, the cell’s DNA copies itself during ____ of the cell cycle.

Back 5

interphase

Front 6

The process of using DNA as a template to make more DNA is known as ___________.

Back 6

replication

Front 7

Before the strands of DNA can separate, the DNA must unwind and the bonds between the _________
must be broken.

Back 7

nitrogen bases

Front 8

Free floating nucleotides can then pair up with their ______ base

Back 8

complimentary

Front 9

The genetic code is passed from DNA to RNA through a process called _________ .

Back 9

transcription

Front 10

Proteins are made at the ___________ of the cell.

Back 10

ribosomes

Front 11

________________ are the subunits needed to make a protein.

Back 11

amino acids

Front 12

The process of making a protein is known as __________.

Back 12

translation

Front 13

Name a complementary base pair in DNA?

Back 13

Guanine-Cytosine

Front 14

The backbone (sides) of DNA is made of which 2 components?

Back 14

phosphate molecules and deoxyribose sugar

Front 15

A three-base sequence on mRNA that tells the ribosomes which amino acid to use is called a(n) ___ .

Back 15

codon

Front 16

What part of the nucleic acid (DNA or RNA) carries the genetic information?

Back 16

the nitrogen bases

Front 17

In the cells of most organisms, DNA is contained in the ____ .

Back 17

nucleus

Front 18

The nitrogen bases found in DNA are represented by the letters

Back 18

A, T, G, and C

Front 19

Four stages in the production of protein molecules in a cell are listed below.
1 - Transfer RNA molecules bring amino acids to the ribosome.
2 - DNA molecules serve as templates for messenger RNA molecules.
3 - Messenger RNA molecules move to ribosomes.
4 - A chain of amino acids forms on the ribosome.

Which sequence best represents the correct order of these stages?

Back 19

2 – 3 – 1 – 4

Front 20

Put the following cellular components in order of size from smallest to largest: nucleus, chromosome, cell, nucleotide, and gene:

Back 20

nucleotide, gene, chromosome, nucleus, cell

Front 21

T A C C G T A G T C G C A C C A C T
Transcribe the DNA code above into the corresponding mRNA codons.

Back 21

AUG GCA UCA GCG UGG UGA