Aresearcher introduces double-stranded rna into a culture of mammalian cells and can identify its location or that of its smaller subsections experimentally, using a fluorescent probe. some time later, she finds that the introduced strand separates into single-stranded rnas, one of which is degraded. what does this enable the remaining strand to do

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

Describe the response the kidneys have to dehydration and excessive water intake. what happens to the concentration of urine in each case ?

Sperm pass through the and connect to a short ejaculatory duct. vas deferens prostrates seminiferous tubules none of the above