Answer:
A.
Explanation:
in DNA, G matches with C and A matches with T. G cannot match with G, A cannot match with A, etc.
Answer:
A, O
Explanation:
O is oxygen, which is a gas at room temperature. It cannot conduct electricity as there are no delocalised electrons free to carry and electric charge.
trans fats can be reduced to less than 1 percent of calories
Reduction in the consumption of trans fats can
reduce blood cholesterol and these will consequently lower the risk of coronary
heart diseases. Thus, food made from animals such as milk and meat products
contain small quantities of Trans fats. However, trans fats can be reduced to
less than 1 percent of calories to avoid build of plagues in the arteries called atherosclerosis.
Answer:
E. Chromatium, Thiospirillum, Thidictyon
Explanation:
- There are some bacteria which are capable of conducting photosynthesis without producing oxygen in the process and bacteriochlorophyll is the main structural unit of the photosynthetic component of such bacteria.
- Purple a green sulfur bacteria are the ones that contain bacteriochlorophyll.
- bacteriochlorophyll's function is the same as that of chlorophyll in plants.
- <em>Chromatium, Thiospirillum, Thidictyon </em>are the bacteria that contain bacteriochlorophyll.
