Which of the following is a symptom of vitamin A deficiency?
a) severe combined immunodeficiency disease (SCID)
b) blindness
c) anemia
d) fast-flushing
e) overstimulation of the immune system
Ans: b) blindness
You might also like to view...
Bees are currently suffering from disease, and population numbers are decreasing. What is a likely consequence for flowers if this continues?
1.There would be no need for stamens for pollination, so flowers would evolve with just carpels.
2.Other insects would take over the role of pollination for the plant.
3.Plants could go extinct if there isn’t any pollination by other organisms.
4.The plant would be forced to rely on wind for pollination.
A process which takes place at constant temperature is
What will be an ideal response?
Turner syndrome is an example of a __________ condition
a. monosomic b. disomic c. trisomic d. polyploid
e. fragile siteMany archaeal genomes include plasmids.
Answer the following statement true (T) or false (F)