What is a tetrad?

A. A chromatid before meiosis

B. Another term for a sperm cell

C. A haploid cell produced by meiosis

D. Two sets of sister chromatids

The sun is A. luminous; it gives off its own light. B. illuminated; it gives off its own light. C. luminous; it reflects light.

A conglomeration is a rock that forms as result of

What is the definition of chemical bond

All cells exhibit basic structural similarities. The general plan of cellular organization varies between different organisms, but despite these modifications, all cells resemble one another in certain fundamental ways.

What type of interactions hold the phospholipid bilayer of the cell membrane and nuclear membrane together?

What is a tough and rigid layer that surrounds plant cells as well as some algal bacterial cells

Which of the following statements about natural selection is TRUE? A. Natural selection results in those individuals within a population who are best-adapted surviving and producing more offspring. The traits that promote survival are heritable. B.

Explain how temperature and salinity affect the formation of deep currents.

What substance is added during hydrolysis in order to break down food macromolecules?

What would happen if grasses and shrubs were removed from an ecosystem? A. the primary consumers would increase B. the primary consumers would become secondary consumers C. the primary consumers would die out or move elsewhere D.