The ocean's "global conveyor belt" is a deep ocean current a surface current a longshore current the gulf stream and north atlantic current

Which of the following descriptions of proteins are true? i. proteins can have different sequences of amino acids. ii. proteins can have different shapes. iii. proteins can have different numbers of amino acids. a. only i and ii are true. b. only ii and iii are true. c. only i and iii are true. d. i and ii and iii are all true. e. none are true statements

In order to clone adult animals, scientists typically begin with a(n)

What is the problem in this article? what solution does the article propose?