What structure in euglena indicate that they can carry out photosynthesis? A. eyespot B. contractile vacuole C. chloroplast D. flagella

The process by which large molecules are expelled from a cell

What is the best description of the salinity of ocean water Number of grams of mineral salt in one liter of water Number of grams of dissolved chlorine in one kilogram of water Number of grams of salt in one kilogram of water.

Which of the following statements are true of muscle diseases? Select all that apply. Polio is caused by an infection. Cancer in muscle is quite rare. Polio is caused by lack of vitamins, Muscle diseases are always congenital.

The prfix auto means

Abnormal cells crowd out what kind of cells and steal nutrients

In peas, yellow color is dominant to green. What will be the colors of the offspring of the following crosses? a. homozygous yellow x green b. heterozygous yellow x green c. heterozygous yellow x homozygous yellow d.

Why do scientists believe that there used to be a single continent, and what was it called?

This type of membrane protein enables cells to catalyze specific chemical reactions at the inner or outer surface of their plasma membrane

Which of the following statements about genes and health is not true?

How is the DNA described and what does this mean?