DNA - RNA

Review

DNA

What is the abbreviation for deoxyribonucleic acid?

Nucleotide

What is the subunit of DNA?

Phosphate group

A nucleotide is made up of 3 parts

1. 5 carbon sugar2. nitrogen base3. ?

AdenineGuanineCytosineThymine

What are the 4 nitrogenous bases of DNA?

Franklin

Who studied the DNA molecule using a technique called x-ray diffraction?

Watson & Crick

Who used this to figure out the structure of DNA & won the nobel prize?

Double helix

What did Watson and Crick discover about the structure of the DNA molecule?

Chromosome

What is this?

CytosineThymine

Which of the nitrogen bases of DNA are pyrimidines?

How many main types of RNA are there?

a. 1b. 3c. hundredsd. thousands

What are they?

tRNA

mRNA

rRNA

AdenineGuanine

Which of the nitrogen bases of DNA are purines?

Adenine

Thymine pairs with . . .

hydrogen

What type of bonds are there between the nitrogen bases?

2

How many hydrogen bonds are between adenine and thymine?

TAG-CAT

What bases would complimentary base pair with . . . ATC-GTA

replication

Coping process by which a cell duplicates its DNA -

46 What is the human chromosome number?

1

How many strands does RNA have?

tRNA

Which RNA decodes the information by transferring the amino acid to the ribosome as it is specified by coded messages

DNA polymerase

The principle enzyme involved in DNA replication is . . .

3

How many hydrogen bonds are between cytosine and guanine?

In the nucleus

In eukaryotes, where is DNA located?

histones

Chromatin consists of DNA that is tightly coiled around proteins called . . .

AdenineUracilCytosineGuanine

What are the 4 nitrogen bases of RNA?

ribose

RNA contains the sugar . . .

mRNA

Which type of RNA functions as a blueprint of the genetic code?

In the nucleus

Where does the process of transcription take place?

uracil

Unlike DNA, RNA contains the nitrogen base . . .

The genetic code

What is this called?

ribosome

Where does the process of translation take place?

Cytosine

Guanine pairs with . . .

Centromere

What is this protein disk called?

Fill in the missing RNA nitrogen bases-

DNA = TAC - CTGRNA =AUG - GAC

How many strands does DNA have?

2

What is the abbreviation for ribonucleic acid?

RNA

What type of RNA carries the codons?

mRNA What type of RNA carries the anti-codons?

tRNA

Diploid

A cell that contains both sets of chromosomes is said to be . . .

haploid

A cell that contains only a single set of chromosomes is said to be . . .

Sister chromatids

What are these

called?