B1.2 Flashcards
1
Q
Long molecule of dna is called a
A
Chromosome
2
Q
Short sections of dna that code for a characteristic are called
A
Genes
3
Q
Describe dna structure
A
Double helix
Strands are joined by bases
Dna is made of units called nucleotides
4
Q
Nucleotides consist of
A
Deoxyribose, phosphate group and a base (T,A,C,G)
5
Q
A
A
Adenine
6
Q
C
A
Cytosine
7
Q
T
A
Thymine
8
Q
G
A
Guanine
9
Q
To hold the strands of dna together, there is
A
Complimentary base pairing (A-T, C-G)
10
Q
mRNA
A
a copy of a dna strand that is small enough to leave the nucleus
11
Q
What is produced in transcription
A
mRNA
12
Q
What is there instead of thymine?
A
Uracil
13
Q
Proteins are made in the
A
Ribosome, cytoplasm
14
Q
Proteins are made from
A
Amino acids
15
Q
Translation
A
When proteins are made
