Which of the following molecules is not grouped with the lipids?
a. prostaglandins.
b. steroids.
c. cholesterol.
d. carotenoids.
e. glycoproteins
E
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Which of the following statements is not true of homologous chromosomes?
1.They contain the same genes at the same loci.
2.They contain the same alleles at the same loci.
3.Typically, one is paternal and one is maternal.
4.They may exchange portions during meiosis.
The difference between spongy bone and compact bone is that spongy bone:a
is found near the surfaces of bone, while compact bone is found interiorly. b. consists of osteons, while the compact consists of thin strands of bone. c. is filled with red bone marrow, while compact bone is not. d. occupies the diaphysis, while compact bone occupies the epiphysis. e. is involved in bone development, while compact bone is not.
The bark from _______ tree species was the original source of salicylic acid, the pain-relieving substance in aspirin.
A. Willow B. Cinchona C. Kola D. Maple E. Yew
Which of these statements concerning the normal pathway of blood flow is NOT correct?
A. from the pulmonary arteries to the lungs B. from the pulmonary veins to the right atrium C. from the aorta to all parts of body except lungs D. from the coronary sinus to the right atrium E. Neither from the pulmonary veins to the right atrium nor from the coronary sinus to the right atrium are correct.