The control group is the group that does not receive the experimental treatment. Experimenters use the control group to compare it to the experimental group in order to determine if the treatment had an effect. So, if there is the same result in both groups (decrease in the grass blades) it means that the given treatment had no effect on the experimental group and that the decrease is due to some other conditions.
Answer :
(a) The angular speed of this bacterial motor is 
(b) The time taken by the motor to make one revolution is 
Explanation :
(a) To determine the angular speed of this bacterial motor.
Angular speed : It is defined as the rate at which an object changes its angle.
Formula used :
where,
= angular speed
v = tangential speed = 
r = radius = 
Now put all the given values in the above formula, we get:
Thus, the angular speed of this bacterial motor is
(b) to determine the time taken by the motor to make one revolution.
Formula used :
where,
T = time
Now put all the given values in this formula, we get:
Thus, the time taken by the motor to make one revolution is
<u>Answer:</u>
The codons that signal the end of a polypeptide chain are called the terminators.
<u>Explanation:</u>
The codons that signal the end of a polypeptide chain are called the terminators.
A codon is a series of 3 DNA (deoxyribonucleic acid) or RNA (ribonucleic acid) nucleotides which corresponds to a particular amino acid or just stop the signals which are sent during the protein synthesis.
The terminators are the codons (also called termination codons) which signal the end of the polypeptide chain during the process of translation.
Answer:
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Explanation:
