Which of the following is an accessory structure of the digestive tract?
a) Pharynx
b) Stomach
c) Liver
d) Mouth
Ans: c) Liver
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Muscle cells make different proteins than nerve cells because they have different sequences of DNA
A. true B. false
Which of the following organelles does not receive proteins synthesized on cytoplasmic ribosomes by posttranslational import?
A) lysosome B) nucleus C) mitochondria D) peroxisomes E) chloroplast
The theory of independent assortment
a. cannot be demonstrated in a monohybrid cross. b. is illustrated by the behavior of linked genes. c. indicates that the expression of one gene is independent of the action of another gene. d. states that alleles for the same characteristic separate during meiosis. e. is negated by epistasis
Modern botanists think that all plants evolved from a common ancestor that was an ancient green algae. What is the
best explanation for this hypothesis? a. They are autotrophs. b. They live on land. c. They have green leaves. d. They are green like green algae. e. They share many biochemical and metabolic traits.