Repetitive dna sequences account for approximately what proportion of the human genome?

A body of cell that is undergoing abnomal cell division is mostly

What is the last spot where csf circulates before being resorbed by the circulatory system?

To refine their model of deep-sea biological communities, the researchers investigated areas of the seafloor that are distant from any active hydrothermal vents.

What is the goal of selective breeding? combine traits from two different species choose the most desirable traits to keep breeding create a new species test whether two species can breed to produce a viable offspring

In tomato's, red fruit (R) is dominant over yellow fruit (r). What is the probability that an offspring of plants that are heterozygous (Rr) produce plants with the homozygous recessive (rr) genotype?

Egg laying land animals have evolved to produce eggs with tough shells to ensure that

Which of the following statements describes a proton of an atom? A has a negative charge and is located in the nucleus. B has no charge and is located in the nucleus C has a positive charge and is located in outer energy levels.

What are reasons scientists use models? To study objects far away To study objects too large To study objects too small. To study objects easily found in a lab. To study events that take place over long periods of time.

1. true false Carbon atoms form the building blocks of most living things.

Inhibiting enzymes involved in cell wall synthesis leads to which of the following? A) cell death by osmotic lysisB) a reduction in protein synthesisC) the incomplete synthesis of the bacterial cell wallD) a reduction in the amount of usable energy