N5 1.3 DNA & Production of Proteins Quizs

Which base does Adenine (A) pair with in DNA?

• Cytosine (C)

• Guanine (G)

• Thymine (T)

What is a gene?

• A type of chromosome

• A small section of DNA that codes for a protein

• A form of RNA

• An enzyme

The bases in a strand of DNA make up the code for the production of

proteins. The DNA for every individual person varies.

Describe the way in which this code differs from person to person.

• the sequence of bases
• sequence of bases
• order of bases
• the order of bases
• base sequence

What does each group of three bases in a gene specify?

• A specific lymphocyte

• A specific gene

• A specific amino acid

• A specific phospholipid

What are the four bases that make up DNA?

• A, C, T, G

• A, B, C, D

• X, Y, Z, W

• U, C, A, G

What is the name of the molecule that carries a copy of the complementary code from the DNA to the ribosome for protein synthesis?

• messenger RNA
• messenger DNA

• amino acid

• receptor protein

Where are genes located?

• On chromosomes

• Within cell membranes

• In a vacuole

What are the thread-like structures found in the nucleus called?

• Chromosomes
• Alleles

• Amino acids

• Antibodies

What shape does DNA have?

• Single-stranded helix

• Double-stranded helix

• Circular

• Biconcave

Where are proteins synthesised in the cell?

• Mitochondria

• Ribosomes
• Nucleus

• Plasmids