Although there are a limited number of amino acids, many different types of proteins exist because ?
a: size if a given amino acid can very.
b: chemical composition of a given amino acid can very
c: sequence and number of amino acids is different
d: same amino acid can have many different properties

What advantage does a crop that undergoes vegetative reproduction have over plants that start from the seed? 1points a they store nutrients. b they can travel farther. c they experience more genetic variation. d they only occur in high-resource environments.

Study this image which statement best describes the rock shown check all that apply

The table lists the observations students made about four specimens under a microscope. based on these observations, what specimens did the students examine? animal plant virus prokaryote cell membrane present ribosomes present lysosomes present nuclear membrane present cell wall present ribosomes present nuclear membrane absent cell wall present ribosomes present nucleus present large vacuole present reproduces inside of a cell nucleus absent rna present 2019 edmentum all rights reserved intl