Water is formed when two hydrogen atoms bond to an oxygen atom.

When a substance is made of two or more atoms like this, we call it

A) a mixture.

B) a complex.

C) a compound.

D) an element.

True or false. Most of the DNA in the human genome codes forgenes.

The cells in your body need nutrients and other materials to stay alive. To be used by your cells, the materials must be a. slightly acidic b. eukaryotic c. dissolved in fluid d. transgenic

Abdominal aorta is located in

About 13 different species of finches inhabit the galápagos islands today, all descendants of a common ancestor from the south american mainland that arrived a few million years ago.

The organisms of which domain are organized according to their shape? A. Bacteria B. Archaea C. Eukaryota

Plant A and Plant B are heterozygous for a gene that expresses their tall trait (Tt). Upon crossing, what is expected in the offspring, assuming random chromosome segregation?

Which is a main princip of confucianism ap human geography?

Identify the type of chromosomal abnormality described below. A person has a missing copy of X chromosome. A baby has an extra copy of chromosome 18. A fetus is found to have four copy's of chromosome 1. 1. Aneuploidy 2. Trisomy 3. Polysomy

Hudson's voyages greatly increased Europeans' knowledge of the Antarctic. a. True b. False

Structure of a capsid