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TLS Online TPP Program

#Question id: 2006

In Cases 1 and 2 in the table, the mothers would be able, if needed, to supply blood to the newborn even 7-9 months after birth; the same would not be true for Case 3. Why?

#Section 2: General Biology

  1. The fetus in Case 3 would provoke an immune response in the mother that would carry over after the birth.

  2. The newborn in Case 3 would soon be able to make antibodies to the B antigen of the mother.

  3. Newborn children, until about age 2, do not make appreciable antibodies, except against Rh+ antigen. 

  4. Passive immunity would have worn off for the third newborn, but not for the other two.

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TLS Online TPP Program

#Question id: 3023

#Section 2: General Biology

During which phase of the bacterial growth curve does a bacterial population become much more resistant to harmful conditions?
TLS Online TPP Program

#Question id: 3024

#Section 2: General Biology

In a rapidly multiplying bacterial population, cell numbers increase
TLS Online TPP Program

#Question id: 3025

#Section 2: General Biology

Penicillin is an antibiotic that inhibits enzymes from catalyzing the synthesis of peptidoglycan, so which prokaryotes should be most vulnerable to inhibition by penicillin?
TLS Online TPP Program

#Question id: 3026

#Section 2: General Biology

Not present in all bacteria, this structure enables those that possess it to germinate after exposure to harsh conditions, such as boiling:
TLS Online TPP Program

#Question id: 3027

#Section 2: General Biology

Which of the following contains a copy of the chromosome, along with a small amount of dehydrated cytoplasm, within a tough wall?
TLS Online TPP Program

#Question id: 3028

#Section 2: General Biology

Endospores can be stained with