Jan noticed that when she put a tomato in water, it sank. When she put an apple in water, it floated. Why did the tomato sink while the apple floated?

Which of the following describes the role that enzymes play in the process of metabolism? A: Enzymes carry the genetic instructions required for a cell to initiate metabolism.

Consider a double-stranded DNA molecule with 109 base pairs. a. Calculate its length in meters. b. Determine the minimum volume needed to contain it.

When a molecule of doubled stranded DNA undergoes replication, results in

What are the three terms used to discribe organisms such as sharks

earths atmosphere is moderately dense and is composed of 78 percent oxygen and 21 percent nitrogen true or false

Which part of the root contains transport tubes?

The sugar found in dna is?

How do scientists use letters to represent alleles

Which feature is not used to classify a virus? Question 4 options: genetic material size shape of the capsid shape of its nucleus

When the levels of glucose and leptin circulating in the blood are sufficiently low, the impulse will be to stop (not eat) ?