Which of the following statements is false?
a. Calcium is the most important mineral involved
in bone tissue turnover.
b. Osteocytes and osteoclasts are involved with the
reabsorption and repair of bones.
c. Bone mass decreases with age.
d. Males have greater problems with loss of bone
tissue than females.
e. Marrow fills the cavities in the spaces of the
spongy bone and in the center of the shaft of
long bones.
Answer: d
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Species richness is generally higher on larger islands because:
a. more colonists from mainland areas will happen upon a larger island because of its size only b. bigger islands offer a wider variety of different habitats only c. larger islands can support larger populations of species than smaller islands only d. more colonists from mainland areas will happen upon a larger island because of its size and bigger islands offer a wider variety of different habitats only e. more colonists from mainland areas will happen upon a larger island because of its size, bigger islands offer a wider variety of different habitats, and larger islands can support larger populations of species than smaller islands
Four of the five answers listed below are
related to DNA profiling. Select the EXCEPTION.
a. electrophoresis b. nucleotides c. DNA polymerase d. primers e. DNA ligase
What kind of tissue is shown in the accompanying images?
a. blood b. adipose c. bone d. cartilage e. dense connective
Gamete formation results in __________________________.
A. offspring that are genetic clones of the parent B. the pairing of homologous chromosomes C. offspring that are genetically distinct from each other D. the fusion of gametes. E. asexual reproduction