Dolphins, sharks, and penguins, all have similar body shapes which allow the animals to swim efficiently in the open ocean. these body shapes are examples of

Protein molecule are long, usually folded chains made from 20 different kinds of amino-acid molecules. Amino acid molecules are bonded together in a specific sequence on cell structures known as 1. ribosomes 2. vacuoles 3. mitochondria 4.

Which part of the seed is responsible for providing nutrition to the embryo?

True or false? the micturition reflex is controlled by the parasympathetic nervous system. a. True b. False

The proximal and distal ends of a long bone are called the

What two events in Earth's history have an impact on the carbon cycle?

The process of copying genetic information from dna to rna is called

For two magnets to push each other away, A. the opposite poles must be facing each other, and the magnets must be touching. B. the same poles must be facing each other, and the magnets must be touching. C.

What type of information does our DNA contain?

Can someone describe the main theories of intelligence

Which of these statements is correct about a theory? It cannot be contradicted. It is accepted by a few scientists. It does not explain observations. It can be changed by current evidence. i think its D but im not sure