Answer:B
Explanation:provitamin A is preformed vitamin A .. The best source of these are animal sources than plant sources.. Best sources include diary foods,, meat and fish.
Answer:
A?
Explanation:
The first step of protein synthesis is transcription, and transcription occurs in the nucleus of the cell... so...
Answer:
Taking shorter showers or turning off the faucet while brushing your teeth can reduce water waste in your home. Only use your dishwasher or washing machine when there is a full load, and switch to energy-saving appliances if possible.
Explanation:
Answer:
3' ACU 5'
Explanation:
Adenine (A) pairs with Thymine (T) in DNA and with uracil (U) in RNA, while Guanine (G) pairs with Cytosine (C)
Answer:
here
Explanation:
In a negative feedback loop, an increase in a factor will result in a change in the body that'll reduce the value of this factor to the set point.
For example, an increase in the blood glucose levels after a meal will cause an increase in the levels of insulin in the blood which will lower the glucose levels.
However, in this example, an increase in the pressure generated by the fetus also increases the frequency of uterus contractions. So the more the pressure, the more the contractions.