Diatoms have a cell wall made of two halves called

valves.

nuclei.

thylakoids.

none of the above

What describes nuclear division in stem cells? A. Clonal selection B. Mitosis C. Cytokinesis D. Meiosis

Which of the following actions would be most likely to increase the protection of ecological systems in national forests?

What is it in sound that we "hear"?

Describe the body cavities and what organs are found in each

How can karyotype analysis detect genetic disorders worksheet answers?

What would happen if capillaries were thicker?

Is light energy changed to cell energy in stage 1 of photosynthesis

What is the most important genetic factor influencing whether someone will develop osteoporosis? A. Age B. Exercise C. Gender D. Diet

What is one difference between a cell wall and a cell membrane? a. cell walls do not connect cell to cell. Cell membranes connect cell to cell b. only plant cells have cell walls. Only animal cells have cell membranes. c.

When cells divide during meiosis homologous chromosomes are randomly distributed to daughter cells and different chromosomes segregate what of each other?