The macromolecules in biochemistry are proteins, carbohydrates, lipids and nucleic acids. What main elements do all of have in common?

A) carbon and sulfur

B) carbon and hydrogen

C) oxygen and nitrogen

D) oxygen and phosphorus

Unit Test Unit Test Review 0 2 3 4 Active 5 6 7 Which of the following best describes the uses of private land? a Private land cannot be used to operate businesses. b. After initial construction, the uses of private land do not change. C.

How do organisms differ in the ways they obtain their energy source or food

How do stabilizing and disruptive selection differ?

What kind of macromolecule (biomolecule) is DNA?

A network database utilizes these special connections between parent nodes and child nodes that allow multiple connections between records

Genetic variation is important for evolution because

What is the term for a structure that has no use in an organism? A) homologous B) Index C) Vestigial D) Sedimentary

Which is the greatest benefit of sexual reproduction? Select one: a. capable of reproducing by meiosis b. ability to reproduce without a mate c. ability to produce genetically different offspring d.

When sea ice forms in the ocean, the salinity of the surrounding ocean water decreases increases remains the same.

Why do you think the processes of photosynthesis and respiration are interrelated? because in plants, both photosynthesis and respiration are continuous processes that take place through day and night because the oxygen produced in photosynthesis is