Unit 2 Test

Question 1

DNA stands for

Answer 1

Deoxyribonucleicacid

Question 2

DNA is the

Answer 2

Molecule of Heredity

Question 3

How many nucleotides are in each stand of DNA

Answer 3

3 billion

Question 4

The 4 nitrogen bases are

Answer 4

Ardenine
Thymine
Guanine
Cytosine

Question 5

Adenine compliments what

Answer 5

Thymine

Question 6

Guanine compliments what

Answer 6

Cytosine

Question 7

Cytosine compliments what

Answer 7

Guanine

Question 8

Thymine compliments what

Answer 8

Adenine

Question 9

Adenine and Guanine are

Answer 9

Purines

Question 10

Thymine and Cytosine are

Answer 10

Pyrimidines

Question 11

Replication of DNA

Answer 11

Unzips at base pairs; Complements are created

Question 12

Angeogenesis

Answer 12

Construction of the new blood vessels

Question 13

Palpating

Answer 13

Feeling on throat

Question 14

Metastisis

Answer 14

Moves/ migrating by throwing off cells onto blood vessels

Question 15

Replicitive Senensance

Answer 15

Enzyme that makes sure cells are replicating properly.

Question 16

Palindrome

Answer 16

A word that it spelt the same way forwards and backwards
EX: tacocat
RacecaR

Question 17

What is a Sickeled blood cell?

Answer 17

A misshapen bloodcell that gets stuck.

Question 18

How long would it take for your finger to fall off if you wrap a rubber band around it?

Answer 18

A couple days

Question 19

CRISPR

Answer 19

Clustered Regularly Interspaced

Question 20

What does CRIPSR do?

Answer 20

It can go to any enzyme and cut it.

Question 21

What are Mutagenic Agents?

Answer 21

UV Radiation

Viruses

Question 22

What is a monosomy?

Answer 22

A word used to describe the absense of one pair of chromosomes.

Question 23

Describe Chromatin?

Answer 23

Substance within a chromosome consisting of DNA and Protein.

Question 24

How common is triploidy in animals?

Answer 24

Not very at all.

Question 25

Comparisons between triploidy and trisomy.

Answer 25

Both are chromosome problems. Triploidy is an entire extra set of chromosomes. Trisomy is when a normal pair of chromosomes gets a third added to it.

Question 26

What pairs in DNA replication?

Answer 26

Replication relies on complementary base pairing Adenine to Thymine Guanine to Cytosine

Question 27

Define Replication

Answer 27

The action of copying or reproducing something

Question 28

Which is largest: DNA, chromosome and nucleotide?

Answer 28

Chromosome is the largest of the three. Largest to smallest order is Chromosome, DNA, Nucleotide

Question 29

Where does translation occur?

Answer 29

The ribosome

Question 30

What structres are made up of RNA?

Answer 30

Ribosomes

Question 31

What does a tRNA molecule carry?

Answer 31

Amino acids

Question 32

Define translation

Answer 32

The process which a cell makes proteins using the genetic information carried in a messenger RNA.

Question 33

Define monosomy.

Answer 33

The condition when a diploid chromosome complement in which one chromosome lacks a partner.

Question 34

What is the process of converting RNA code into an amino acid sequence?

Answer 34

Translation

Question 35

Define Point Mutation

Answer 35

A mutation affecting only one or very few nucleotides in a gene sequence.

Question 36

What brings amino acids to the ribosomes for assembly into proteins?

Answer 36

tRNAs

Question 37

Define codon

Answer 37

A sequence of three nucleotides which together form a unit of genetic code in a DNA or RNA molecule.

Question 38

What do you call it when DNA copies itself?

Answer 38

Replication

Question 39

Who were the major players in the race for DNA?

Answer 39

Francis Crick and James Watson

Question 40

Define Transcription

Answer 40

Process of copying a segment of DNA into RNA.

Question 41

Cell cycle parts

Answer 41

Interphase and Mitosis

Question 42

Parts of a chromosome are?

Answer 42

Chromatid, Centromere, short arm and long arm.

Question 43

What is a chromatid?

Answer 43

One of the two identical parts of the chromosome after S phase.

Question 44

What is the Centomere?

Answer 44

There point where the two chromatids touch.