1.3 DNA and production of proteins

Question 1

the structure of a DNA molecule

Answer 1

DNA is a double stranded helix held together by complementary base pairs

Question 2

four bases that are involved in determimg the DNa code of an organisms

Answer 2

Adenine
Thymine
Cytosine
Guanine

Question 3

bonds between DNA codes

Answer 3

A and T
C and G

Question 4

how are two complementary strands of DNA molecule are held together

Answer 4

the bonding between the complementary base pairs are two strands of DNA molecule held together like rungs of a ladder straight letters go together and curly letter go together

Question 5

what is dna code contained with

Answer 5

The dna code is contained within the sequence of the bases. The base sequence of a gene determines the amino acid sequence for its protein that it codes for

Question 6

term used to describe a section of dna which codes for one protein

Answer 6

gene

Question 7

ribosome

Answer 7

ribosomes are a site of protein synthesis where the mRNA strand is read and an amino acid chain is built

Question 8

messenger mRNA in protein synthesis

Answer 8

carries complementary copy of dna gene code from nucleus to ribosome

Question 9

simplest sub unit of a protein

Answer 9

amino acid 20 diff types of amino acid sub unit in proteins

Question 10

explain DNA code in determimg the shape and function of protein

Answer 10

dna code is determined by sequence of bases. this then determines the sequence of amino acids in the protein chain. the order of amino acids in the protein chain then determines the shape of the protein and the shape of protein determins it’s function