Which statement is true of Y chromosomes?

A. Only men have them.

B. Women have two of them.

C. Only women have them.

D. All babies have them.

When you lift an object, you do work on the object?

What is the enzyme that assebles RNA during transcription

Diffusion of water molecules through a selectively permeable membrane is

A scientist has an uncharacterized pea plant. She wants to determine the plant's genotype for seed color. In order to be certain that she will get conclusive results from a single cross, with what plant could she cross it?

Rank the following types of water on Earth, from lowest salinity to highest salinity. A) salt water; brackish water; fresh water B) fresh water; brackish water; salt water C) fresh water; salt water; brackish water D) salt water; fresh water;

What is an unusual property of magnetite?

Which describes the scientific view's order of earth's first living things to the most recent? A. cyanobacteria, hagfish, crocodilians, giant ground sloths B. cyanobacteria, crocodilians, hagfish, giant ground sloths C. cyanobacteria.

At what stage of mitosis does the cell grow and make copies of its hereditary material

A landform that has high elevation and a more or less level surface is a ...

Which of the following contain only prokaryotes? A) Domains Bacteria and Eukarya B) Domains Archaea and Bacteria C) Only Domany Eukarya D) Domains Archaea and Eukarya