Which of the following is true for a cell that has a flagellum?

It cannot be a part of a multicellular organism.

It cannot be a part of the oldest known fossil.

It cannot have a cell membrane.

It cannot have ribosomes.

Mrs. olson was diagnosed as having a malignancy characterized by a progressive increase of abnormal leukocytes. this type of cancer is known as

Cells are the basic a0 a1 of our bodies.

What is precipitation in the water cycle?

You isolate some muscle fibers to examine what regulates muscle contraction. When you bathe the muscle fibers in a solution containing ATP and Ca^2, you see muscle contraction (experiment 3).

Vascular plant is to nonvascular plant as cactus is to

At which age range does the most intensive myelination of nerve cells occur?

The role of the excretory system is to rid the body of toxic waste products. Which of the following body systems also plays a direct role in removing waste products from the body? A) endocrine B) nervous C) respiratory D) skeletal

What supplement might be recommended by the food and nutrition board?

Which reflex constricts pupils when we view lose objects?

What survival stimulus makes an animal thirsty?