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1. (A) Krebs Cycle
2. (I'm pretty sure) is B
Answer:
C. The bacteria that survived were transformed with plasmid that contains the resistance gene for ampicillin.
Explanation:
Plasmids are small, circular double stranded DNA molecules that are found in bacteria. It carries genes that provides the bacteria with an advantage.
There are five types of plasmids namely, Fertility F-plasmids, resistance plasmids, Virulence plasmids, degenerative plasmids and the Col plasmids.
Ampicillin is an antibiotic that is supposed to kill the bacteria. However, most bacteria have resistance plasmids that can lead to antibiotic resistance.
That explains why some of the bacteria survived.
Answer:
a. Recall and master the procedure in using a salinometer
Explanation:
Salinometer, which is also known as salimeter is a laboratory equipment used to measure the salinity of a solution. Salinity refers to the concentration/amount of salt in a solution.
According to this question, a student was instructed by his/her teacher to measure the salinity of brine used in curing fish. This means that to do this, the student will have to make use of a SALINOMETER. In order to use the salinometer, the student has to recall and master the procedure in using a salinometer.
Answer:
<h2>The Cornea in the ear is the only part of the human body to get directly an oxygen from the air and not from the blood.</h2>
