Which immunoglobulin is able to pass across the
placenta to protect the fetus from pathogens?
a. IgG
b. IgA
c. IgD
d. IgM
e. IgE
Answer: a.
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Vertical evolution arises from Select all that apply.
_____ genetic mutations. _____ sexual reproduction. _____ bacterial conjugation. _____ gene duplication. _____ interspecies exchange of genes.
If both parents are "carriers" due to the presence of one copy of the cystic fibrosis allele, what are the odds that they would have a normal child?
a. 0 b. 25% c. 50% d. 75% e. 100%
Glucose is broken down through cellular respiration, which involves a large number of chemical reactions. At the end of the cellular respiration process, a large number of ATP molecules are generated, but yet, not all of the possible energy that is contained in a molecule of glucose can be harnessed through these chemical reactions to generate ATP. In other words, during cellular respiration, not all of the energy that is contained in a molecule of glucose is converted into the energy stored in ATP. What happens to the remaining energy?
A. It is donated to molecules in the cellular respiration process to reduce them B. It is used to drive exergonic reactions C. It is lost as heat D. It is destroyed
Polyploidy:
a. arises only when there is an error in meiosis resulting in diploid gametes instead of haploid gametes. b. is a common method of sympatric speciation for plants and animals. c. arises when sympatric speciation causes plants to have more sets of chromosomes than their parent plants. d. is an increased number of sets of chromosomes. e. None of the above.