Answer:
nitrogenous bases from the cytoplasm link up with an exposed complementary base
Measuring photosynthesis via the production of oxygen. Oxygen can be measured by counting bubbles evolved from pondweed, or by using the Audus apparatus to measure the amount of gas evolved over a period of time.
The answer is A, 'a mammal' because it goes with the copulative verb 'to be', i. e., 'is'.
there is a zero percent chance do to the sterilization and cleaning of all equipment as well as it being illegal to reuse needles in hospitals