Acoverslip should be slowly lowered from a 45° angle onto a slide in order to
(1) prevent the slide from being scratched
(2) stop the loss of water from under the coverslip
(3) ensure that the specimen being viewed will stay alive
(4) reduce the formation of air bubbles

In familial hypercholesterolemia individuals homozygous for the allele causing the disorder completely lack receptors on liver cells that take up cholesterol from the blood stream. heterozygous have one-half the number of receptors while individuals homozygous for the normal allele are phenotypically normal. this is an example of a.epistasis b.complete dominance c. incomplete dominance d. codominance

What is a codon and where is it found

What are some possible short and long term medical concerns for crew members on longer space exploration trips