Which of the following are contributing factors for hemorrhiod development?
A) bacterial infection
B) dietary fiber
C) aging
D) chronic constipation
E) pregnancy
Answer:
C) aging
D) chronic constipation
E) pregnancy
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The negative logarithm of the hydrogen ion concentration in the solution is referred to as:
A. pH B. atomic mass C. -OH concentration D. electronegativity E. specific heat
Which hominid species provides us with the oldest indisputable evidence of bipedalism?
a. Paranthropus b. Australopithecus afarensis c. Ardipithecus ramidus d. Homo erectus e. Sahelanthropus tchadensis
Which of the following is not a modification to the mRNA before leaving the nucleus?
A. End capping B. Promoter binding C. Intron removal D. Exon splicing
In the ABO blood type system in humans, there are _________ different alleles, ____________ different phenotypes, and ____________ different genotypes.
a) six; three; six b) three; four; three c) six; six; three d) six; six; four e) three; four; six