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TLS Online TPP Program

#Question id: 2055

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,

#XL - S Microbiology

  1. C5b, C6, C7, C8, and multiple copies of C9

  2. C5b, C6, C7, C8, and a single copy of  C9

  3. multiple copies of C9

  4. C5b, C6, C7, C8

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TLS Online TPP Program

#Question id: 5084

#XL - T Zoology

The first cavity formed during frog development is the ________.
TLS Online TPP Program

#Question id: 5085

#XL - T Zoology

An embryo with meroblastic cleavage, extraembryonic membranes, and a primitive streak must be that of ________.
TLS Online TPP Program

#Question id: 5086

#XL - T Zoology

Cells move to new positions as an embryo establishes its three germ tissue layers during ________.
TLS Online TPP Program

#Question id: 5087

#XL - T Zoology

The outer-to-inner sequence of tissue layers in a post-gastrulation vertebrate embryo is ________.
TLS Online TPP Program

#Question id: 5088

#XL - T Zoology

 If gastrulation was blocked by an environmental toxin, then ________.
TLS Online TPP Program

#Question id: 5089

#XL - T Zoology

The archenteron of the developing sea urchin eventually develops into the ________.