Which of the following describes arteries?

A. They have thick muscular walls.

B. They usually contain valves.

C. They carry blood towards the heart.

D. They carry blood from the lungs.

Where do we get our genes?

What type of mutation occurred for mutated sequence #1 and what was the result? Substitution - -Silent mutation Addition - - Frameshift Deletion - -Missense Substitution - - Missense

What is the best description of a macromolecule

Is hipnotism related with darkness?

Pea plant clones are given different amounts of water for a three-week period. First pea plant receives 400ml. Second pea plant receives 200ml. Third pea plant receives 100ml.

What process of desalination uses high pressure and selectively permeable membranes to remove salt from seawater?

Why does the carbon dioxide concentration in an occupied classroom change during a class period?

What is terrae on the moon

The largest continent is OA) Africa OB) Eurasia OC) North America OD) South America

What problem would most likely to occur if a haploid cell attempted to perform meiosis? the cell could not replicate its dna prior to meiosis. the cell could not pair homologous chromosomes during meiosis i.