EXAM MEDICINE BIOLOGY
QUESTIONS AND
ANSWERS (LATEST)
What type of hormones enter their target cells? - ANSWERS-Being
lipids, steroid hormones enter the cell by simple diffusion across the
plasma membrane
What type of muscle is the diaphragm? - ANSWERS-skeletal muscle
Which vitamins are soluble in water? - ANSWERS-B and C
What is pepsin? - ANSWERS-Enzyme that breaks down proteins in
the stomach
What is pepsin made of? - ANSWERS-short polypeptides linked
together
What is tubulin? - ANSWERS-Hollow tubes 25 nanometers in
diameter
What are centrioles? - ANSWERS-Centrioles help organize cell
division and are formed from tubulin and located near the nucleus.
,What is triploidy? - ANSWERS-three sets of chromosomes
What is monoploidy? - ANSWERS-missing a chromosome in a set of
chromosomes
What is aneuploidy? - ANSWERS-Abnormal number of
chromosomes
What is a gonosome? - ANSWERS-synonym for sex chromosome
What is autosomal? - ANSWERS-chromosomes that are not sex
chromosomes
What is connective tissue? - ANSWERS-Framework of the body,
providing support and structure for the organs.
What is included in connective tissue? - ANSWERS-Loose ordinary
connective tissue
Adipose tissue
Blood and blood forming tissues
Dense ordinary connective tissue
Cartilage
Bone
, What is the epithelium? - ANSWERS-A tissue that lines internal and
external tissues in animals.
What are carbohydrates and lipids? - ANSWERS-Organic compounds
that are mostly composed of three types of atom; carbon, hydrogen
and oxygen
What do carbohydrates do? - ANSWERS-provide energy, in the form
of sugars like glucose and fructose, but they also make up structures
like cellulose, which form the cell wall of plant cells
What type of carbohydrate is the most important source of energy? -
ANSWERS-mono-, di- and poly-saccharides
What are mono and disaccharides? - ANSWERS-polar and soluble in
water
What are polysaccharides? - ANSWERS-Macromolecules resulting
from polymerisation (condensation) of sugars and are not soluble in
water
Examples of monosaccharides - ANSWERS-ribose, glucose, fructose,
galactose
What forms a disaccharide? - ANSWERS-two monosaccharides
linked together by condensation reactions with glycosidic bonds
releasing one H2O molecule