Bat wings are homologous to the front legs of cats. What does the term homologous mean in this context?
A) Both structures are used for the same purpose.
B) The common ancestor of bats and cats had limbs that functioned as wings.
C) The common ancestor of bats and cats had a limb with a bone structure similar to that found in cat legs and bat wings.
D) Bat wings are vestigial legs.
C
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Describe the coupled redox reactions that lead to fixation of N2 into ammonia.
What will be an ideal response?
The fluid mosaic model proposed by Singer and Nicolson in 1972 explained that
A. the cell membrane was composed of a phospholipid bilayer but the polar ends of the phospholipid molecules were reversed. B. the cell membrane was composed of a phospholipid bilayer between two layers of globular proteins. C. the cell membrane was composed of lipids and proteins. D. the cell membrane was composed of a phospholipid bilayer with globular proteins actually inserted into the bilayer.
A distinctive feature of Rocky Mountain Spotted Fever (RMSF) rash is that is appears on the (limbs/face/palms) as well as the trunk
What will be an ideal response?
In which of the following large-scale mutations would the cell lose genetic information?
A. translocation B. inversion C. deletion D. duplication E. All of the choices given would result in genetic information loss.