November Paper 1 Content Revision Questions

What does the term degenerate mean?

• The DNA code is shared amongst all organisms

• In RNA T is replaced by U

• Multiple codons will result in the same amino acid

• Multiple codons will result in the same anti-codon during translation

Match the level of oxygen affinity to the different proteins.

• Fetal Haemoglobin

• Highest Affinity

• Adult Haemoglobin

• Lowest Affinity

• Myoglobinb

• 2nd Highest Affinity

What type of muscle is shown here;

• Skeletal

• Smooth

• Cardiac

• Involuntary

What is an Endocrine Gland?

• A group of cells that secretes Lipids

• A group of cells that secretes hormones into the blood

• A group of cells that secretes hormones out of the body

• A group of cells that secretes Carbohydrates

Are these terms associated with the presynaptic neurone, the post synaptic neurone, both or neither?

Groups:

(a) Presynaptic Neurone

,

(b) Postsynaptic Neurone

,

(c) Both

,

(d) Neither

• Receptors for Neurotransmitters

• Na+ Channels

• Vesicles containing neurotransmitters

• Depolarisation

• Myosin

• Ca2+ Ion Channels

• Actin

Select the correct answers to complete the paragraph about the Lac Operon. When no ​ (a)   is present in the environment the Lac operon is turned ​ (b)   . However is it does appear in the environment then it binds to the ​ (c)   allowing ​ (d)   to transcribe the section of ​ (e)   .

• lactose
• off
• repressor protein
• RNA Polymerase
• DNA
• lactase
• DNA Polymerase
• on
• Activator protein

Organize these options into the right categories;

R - Red

T - Tall

r - blue

t - short

Groups:

(a) Red Tall

,

(b) Red Short

,

(c) Blue Tall

,

(d) Blue Short

• RrTT

• RRTt

• RRtt

• RRTT

• rrtt

• RrTt

• rrTT

• Rrtt

• rrTt

Put these into the correct order from most general to most specific

• Family

• Class

• Phylum

• Domain

• Genus

Match the following descriptions of organisms to their kingdoms.

• Multicellular, vertebrate

• Animal

• Unicellular, No Nucleus

• Prokaryote

• Unicellular, Cell wall made of chitin

• Fungi

• Unicellular, Has a Nucleus

• Plant

• Contain chloroplasts, multicellular

• Protoctist

Which value is correct to prove significant for a spearman's rank test with 12 samples pairs.