week 2

Question 1

difference between labile and stable cells

Answer 1

labile cells continuously replicate through mitosis and stable cells undergo mitosis when needed

Question 2

how does meiosis display genetic vulnerability?

Answer 2

independent assortment
crossing over (genetic recombination)
random fertilisation

Question 3

what is an example of a sex linked disease

Answer 3

deutranopia - red green colour blindness
X linked recessive
In female if both homozygous recessive it will be expressed but in males as there is no corresponding allele on the Y chromosome even if one copy allele is present the disease will be expressed

Question 4

what are some uses for glucose

Answer 4

used as fuel (especially for neuron’s and RBCs - rely only on glucose)
excess converted to glycogen
used to create pentose sugar, cells glycocalyx and secreted into ground substance

Question 5

2 essential fatty acids needed through our diet

Answer 5

Linoleic acid - omega 6 fatty acid
Linolenic acid - omega 3 fatty acid