Biology Answers

Which type of microscope would be necessary to view the spikes (surface structure) on SARS-CoV-2 virus?

1.3.Blood glucose levels for obese patients have a mean of 100 with a standard deviation of 15. A researcher thinks that a diet high in raw cornstarch will have a positive or negative effect on blood glucose levels. A Sample of 30 patients who have tried the raw cornstarch diet has a mean glucose level of 140.Test the hypothesis that the raw cornstarch had an effect.

9. Stretching of the stomach wall by food intake will inhibit the releasing of:
a- Leptin
b- Glucagon
c- Ghrelin
d- Peptide YY

10. Which cells produce glucagon and what is its function?
a- F cells/inhibit somatostatin secretions
b- Alpha cells/raise blood glucose
c- Beta cells/lower blood glucose
d- Delta cells/inhibit alpha and beta cells

7. Synthesis of Glucose from amino acids is termed as:
a- Gluconeogenesis
b- Lipogenesis
c- Glycogenesis
d- Glycolysis

8. In anabolism there is:
a- ( -ΔH )
b- ( Release of free energy. )
c- ( -ΔG )
d- ( +ΔΗ )

6. An example of Positive feedback is one of the following:
a- Blood clotting
b- Ovulation
c- Hyperglycaemia
d- Homeostasis

Is pigmentation, caused on face due to acne, permanent or it can be removed?

Name the site where protein digestion occurs

The number of alveoli in two human lungs are

How many times a woman can have sex before pregnancy?