TLS Online TPP Program

#Question id: 7096


In which portion of the frog's life-cycle would a frog appear most similar to a mammal?

#Unit 5. Developmental Biology
  1. the fertilized eggs of frogs and mammals are similar in size and look nearly identical
  2. a frog blastula is very similar to a mammalian blastocyst
  3. the events of gastrulation in frogs are highly similar to gastrulation and extraembryonic membrane formation in mammals
  4. late in organogenesis, at the phylotypic stage, the body plans of frogs and mammals are remarkably similar
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TLS Online TPP Program

#Question id: 2055

#Unit 4. Cell Communication and Cell Signaling

The proteins of the membrane attack complex (MAC) insert into the cell membranes of invading microorganisms and punch holes that result in lysis of the pathogen. The complement components of the MAC are,

TLS Online TPP Program

#Question id: 2056

#Unit 4. Cell Communication and Cell Signaling

A mother has an Rh- and the father an Rh+ blood type. The first baby born to the parents was Rh+ . However, the parents elect for the mother not to receive Rhogam. future babies of this couple at risk for

TLS Online TPP Program

#Question id: 2057

#Unit 4. Cell Communication and Cell Signaling

Lymph nodes and the spleen are the most highly organized secondary lymphoid organs. T-cell and B-cell activity are separated into distinct microenvironments in both. T cells and B cells  are found in

TLS Online TPP Program

#Question id: 2058

#Unit 4. Cell Communication and Cell Signaling

NOD-like receptors (NLRs) are a large family of cytosolic PRRs activated by intracellular PAMPs, DAMPs, and other harmful substances. The NOD NLRs bind intracellular microbial components such as cell wall fragments. NLRC family are NOD1 and NOD2 recognise?

TLS Online TPP Program

#Question id: 2059

#Unit 2. Cellular Organization

For a protein to be an integral membrane protein, it would have to be:

TLS Online TPP Program

#Question id: 2060

#Unit 2. Cellular Organization

An animal cell lacking carbohydrates on the external surface of its plasma membrane would likely be impaired in which function?