What is a base?

a substance that can accept an OH - ion

a substance that has a low pH value

a substance that is alkaline

a substance that can donate an H + ion

What is the mitochondrial sheath of a sperm cell?

Which two characteristics are archaea different from bacteria

What of the following organisms is located only in the 3rd trophic level of the soil food chain? A. bacteria b. fungi c. protozoa d. nematodes

Humans are known as complex organisms and are more advanced than other complex organisms Give your reasons.

Which generation of nursing professionals, being exposed to both terrorism and natural disasters, should be key members for disaster planning initiatives?1. Veteran2. Generation X3. Generation Y4. Baby Boomer

Explain the goals of a sustainable development.

When are to animals classified as belonging to the same species?

Process of biological change by which descendants come to differ from their ancestors

What types of cells would be produced by meiosis?

Gregor Mendel studied the inheritance of traits in pea plants. One trait he examined was the height of the plant. Pea plants with the dominant 'T' allele grew tall, and pea plants with the recessive allele 't' were short.