Year 12 Human Biology Quiz
Topics covered
 Cell Transport
 Protein Synthesis
 Hormones/Anterior and Posterior
1. Lipid Soluble Hormones include?- Steroid Hormones
2. Water Soluble Hormones include?- Amine Hormones
3. The main structure of the cell membrane is composed of?Phospholipid molecules
4. Hydrophilic means?- Water loving
5. Hydrophobic means?- water hating
6. Name all four functions of the cell membranea. Physical Barrier
b. Regulation of the passage
c. Sensitivity
d. Support
7. What detects changes in the extracellular fluid- on the
membrane?- Receptor Proteins.
8. Name 2 molecules which can easily diffuse through the
membrane.- Lipids, Alcohol, Steroids and fatty acids- O2 and
CO2.
9. Carrier Proteins are specific and will only bind to a particular
molecule.
10.
What does it mean when a carrier protein becomes
saturated?- All carrier proteins are occupied and the
concentration won’t increase.
11.
Name all 3 major cell transport.- Diffusion, Carrier
Mediated, Vesicular Transport.
12.
Which transport system goes from a low concentration
gradient to a high concentration?- Active Transport
13.
What consists of a nucleotide?- Phosphate molecule,
Ribose sugar (5 sided), Nitrogenous Base (A, T, C, G).
14.
Name two major differences between DNA and RNA.
DNA
RNA
Double stranded
Single Stranded
Thymine
Uracil
15.
How many protein functions are there?- 6.
16.
Name the catabolic and anabolic example for proteins?Catabolic= Protein, Anabolic= Amino Acid.
17.
A sequence of 3 bases is the code for a particular acid and
is called?- Triplet or base triplet.
18.
Transcription occurs where?- The nucleus.
19.
What enzyme begins the process of making mRNA?- RNA
Polymerase.
20.
RNA molecules consists of what Nitrogenous bases?- U, A,
C, G.
21.
Which DNA strand is copied?= Template strand.
22.
Which bases are removed on the mRNA strand?= Introns.
23.
Where does Translation occur= In a ribosome in the
cytoplasm.
24.
Anticodon = ACG, what is the matching codon?= UGC.
25.
A tertiary structured protein is produced by?= more
bending and folding of the sheets and spiral’s.
26.
What system model is responsible for maintaining the
body at a steady state?= Feedback system.
27.
Give an example of an Exocrine gland= Sweat glands,
mucous glands, salivary glands etc.
28.
What does TSH stand for?= Thyroid Stimulating hormone.
29.
Which lobe secretes hormones in the extracellular fluid
which is carried by the blood?= Anterior Lobe.
30.
Gonadotropins are hormones that affect what?= Gonads
(Testes and ovaries)