An exocrine gland that has an unbranched duct would be classified as a . a. unicellular simple gland b. unicellular compound gland c. multicellular compound gland d. multicellular simple gland

What are the types of mutations, and how does each alter the encoded protein? college level answer

In which situations is the principle of cross-cutting relationship useful in determining relative age?

Plz will mark! the diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?