Longitudinal muscle is indicated by
a. A.
b. B.
c. C.
d. D.
e. E.
Answer: d
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A patient is rushed to the emergency room and immediately needs a blood transfusion. The patient is found to have only anti-A antibodies in circulation. The blood type of this individual must be
A) A. B) B. C) AB. D) O.
In the following gene sequence, the original sequence is ABC* DEFGH. It now reads ABC* DGFEH. The * indicates the centromere. This type of mutation is a(n)
A) nonsense mutation. B) inversion. C) translocation. D) duplication. E) point mutation.
Which of the following terms describes a substance formed by the combination of two or more elements in definite proportions?
a) compound b) isotope c) nucleus d) enzyme
Which of the following statements about reproduction is NOT true?
A. A hermaphrodite produces both male and female gametes in different specialized gonads. B. Asexual reproduction is most advantageous when the environment is continually changing. C. A starfish can be cut into several pieces, and each piece will regenerate all the other parts of the individual. D. Hydras may reproduce asexually by budding new individuals from the parent. E. Gametes are produced by meiosis and may be specialized as eggs or sperm.