nucleic acids (DNA)

Question 1

what is a genome?

Answer 1

The entire / total DNA of an organism

Question 2

what is a chromosome?

Answer 2

A straight strand of DNA . Most cells have 2 strands with the same genes

Question 3

what is a gene?

Answer 3

A short section of DNA within a chromosome.
Has code for specific protein

Question 4

what is DNA?

Answer 4

A double stranded molecule containing information for making proteins. Controls reactions needed in cells.

Question 5

the double strands of DNA form into a ?

Answer 5

Double helix

Question 6

what is a nucleotide formed of?

Answer 6

A sugar, a phosphate and a nitrogenous base

Question 7

what are the 4 nucleotide bases?

Answer 7

Adenine, Thymine, Cytosine, Guanine

Question 8

what does Adenine always pair with?

Answer 8

Thymine

Question 9

what does Cytosine always pair with?

Answer 9

Guanine

Question 10

name two nucleic acids?

Answer 10

DNA and RNA

Question 11

elements of Carbohydrates?

Answer 11

Carbon, hydrogen and oxygen

Question 12

smallest units of Carbohydrates?

Answer 12

Simple sugars which are soluble

Question 13

is Starch a soluble or insoluble molecule?

Answer 13

Insoluble - why it’s used for storage

Question 14

name two simple sugars?

Answer 14

Glucose, fructose

Question 15

DNA is made from

Answer 15

two chains of nucleotides

Question 16

a DNA molecule is

Answer 16

two strands coiled to form a double helix the strands being linked by a series of paired bases
A&T C&G