In the chemical sodium chloride, the positively charged sodium and negatively charged chlorine atoms are held together by a(n) _____ bond.
A. ionic
B. covalent
C. hydrogen
Ans: A. ionic
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Paland and Lynch showed that sexual populations have fewer deleterious mutations than asexual populations. These results support the hypothesis that
A. asexual reproduction is associated with lower genetic diversity, resulting in the accumulation of highly deleterious mutations. B. sexual reproduction prevents fertilization with gametes carrying alleles with deleterious alleles. C. sexual reproduction produces fewer random mutations than asexual reproduction. D. sexual strains are associated with higher genetic diversity and thus accumulate more beneficial mutations than asexual strains. E. in sexual reproduction, the reassorting of alleles allows for the elimination of more detrimental alleles than in asexual reproduction.
An individual with Patau syndrome would be ________
A) termed a triploid B) termed a haploid C) said to have a monosomy D) said to have a trisomy E) termed a euploid
Cytokines are being investigated for a possible treatment of which disease?
A. tuberculosis B. malaria C. pneumonia D. AIDS E. hepatitis
What is a Calorie
What will be an ideal response?