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

Biology & Microbiology

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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

Biology & Microbiology

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

Biology & Microbiology

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

Biology & Microbiology

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

Biology & Microbiology