A substance has a volume of 20 mL and a density of 2.5 g/mL. What is its mass? 0.125 g

8 g

22.5 g

50 g

Darwin discovered that the same species of organisms had different traits from one island to the next. According to Darwin, this happened because the organism had

After many cell divisions, a segment of DNA has more base pairs than it originally did. Explain what happened.

During which phase of mitosis does the plasma membrane of the cell fold in and enclose each nucleus into two new diploid daughter cells?

What governs the size of animal bodies?

Who made billiard ball model

When a patient arrives in the emergency room, he is restless and irritable with unlimited energy and a rapid rate of speech. the attending psychiatrist believes the patient has taken cocaine or amphetamines and admits him for observation.

Explain how oral contraceptives work to prevent pregnancy

What are two non living things, cheetahs interact with?

A classmate states that mitochondria and chloroplasts descended from the same type of bacteria. Does the evidence support this? explain your reasoning

Can gel electrophoresis separate DNA fragments