Whats is Phospholipid ... ?

A.) Structure of cell membranes

B.) insulation

C.) energy ... ?

Which explanation is most likely the reason for the evolution of a larger brain in humans?4

Which component is affected when a catalyst is added to a chemical reaction

Which type of operon, an inducible one or a repressible one, would an organism likely use to produce enzymes and other proteins required for the cell to manufacture a molecule needed from smaller molecules in the environment?

He line "My coins, cakes, cashews and candy" is an example of A. haiku. B. rhyme. C. simile. D. alliteration.

What characteristic of Charales would enable them to survive a dry spell? sperm with flagella phragmoplasts sporopollenin chlorophyll a

Are these genotypes or are these phenotypes? A. Green B. KK C. Blue eyes D. Purple flower E. Jj F. dd

1. Where are your genes found? your alleles your cytoplasm your ribosomes your chromosomes 2. What is the shape of DNA called? nucleotide double helix chromosome ribonucleic acid 3.

Which of the following provides nutrients to a developing embryo, passes wastes into the mother's blood for disposal and forms tissuses of both the mother and the embryo? A.) placenta B.) umbilical cord C.) amniotic or D.) all of the above

Facilitated diffusion can be described as the favorable movement of one solute down its concentration gradient being coupled with the unfavorable movement of a second solute up its concentration gradient. True or false?

Large blood vessels that carry blood away from the heart to body tissues are called