Q1. A subject extends his arm palm up to catch a falling object. The contact of object with the hand triggers a reflexive response in the biceps muscle. But this response is different and opposite if the object is a raw egg instead of a ball. Explain why with reason? […]

Q1. Define growth and note how it applies to bacteria. Q2. Describe the process of cell division in bacteria. List and describe the four phases of growth in a bacterial culture. Q3. List and describe at least four methods used to measure bacterial growth. Q4. List at least six physical […]

Assume your TA gives you a bacterial culture and claims there are 4.8 x 107 bacteria/mL in the culture. To check up on her, you prepare serial dilutions of 10-4 – 10-7. You prepare pour plates from each of the dilutions (4 plates in all). a) Draw a dilution scheme […]

1. A scientist discovers a DNA-based test for the allele of a particular gene. This and only this allele, if homozygous, produces an effect that results in death at or about the time of birth. Of the following, which is the best use of this discovery? A) To screen all […]