In class, students performed an experiment in which they used an egg as a representative cell. After removing the outer shell, students placed the egg with its intact cell membrane into sugar solution that contains 80% sugar and 20% water.
That sugar solution would be blank to the egg and water would move blank the egg.

A. Hypertonic; out of
B. Hypotonic; out of
C. Isotonic; into
D. Hypertonic; into

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

Which statements best describe the differences or similarities between a comparative investigation and an experimental investigation? check all that apply. experimental investigations are best for showing cause-and-effect relationships, while comparative investigations do not necessarily show this type of relationship. comparative investigations are often impractical and unrealistic, while experimental investigations are the most practical and realistic kinds of investigations. comparative investigations allow for the use of a wide range of variables but do not have a control group, while experimental investigations involve variables that can be controlled. both experimental investigations and comparative investigations are designed to answer scientific questions. both experimental investigations and comparative investigations focus on making observations rather than collecting new data.

Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes