TLS Online TPP Program

#Question id: 1981


Which of the following is accounted for by immunological memory?

#Section 2: General Biology
  1. the human bodyʹs ability to distinguish self from nonself

  2. the observation that some strains of the pathogen that causes dengue fever cause worse disease than others

  3. the ability of a helper T cell to signal B cells via cytokines

  4. the ancient observation that someone who had recovered from the plague could safely care for those newly diseased

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TLS Online TPP Program

#Question id: 8912

#Section 6: Plant, Animal and Microbial Biotechnology

Both animals and fungi are heterotrophic. What distinguishes animal heterotrophy from fungal heterotrophy is that only animals derive their nutrition

TLS Online TPP Program

#Question id: 8913

#Section 6: Plant, Animal and Microbial Biotechnology

The larvae of some insects are merely small versions of the adult, whereas the larvae of other insects look completely different from adults, eat different foods, and may live in different habitats. Which of the following most directly favors the evolution of the latter, more radical, kind of metamorphosis?

TLS Online TPP Program

#Question id: 8914

#Section 6: Plant, Animal and Microbial Biotechnology

Which of the following is (are) unique to animals?

TLS Online TPP Program

#Question id: 8915

#Section 6: Plant, Animal and Microbial Biotechnology

The number of legs an insect has, the number of vertebrae in a vertebral column, or the number of joints in a digit (such as a finger) are all strongly influenced by

TLS Online TPP Program

#Question id: 8916

#Section 6: Plant, Animal and Microbial Biotechnology

What do animals as diverse as corals and monkeys have in common?

TLS Online TPP Program

#Question id: 8917

#Section 6: Plant, Animal and Microbial Biotechnology

The Hox genes came to regulate each of the following in what sequence, from earliest to most recent?
1. identity and position of paired appendages in protostome embryos
2. formation of water channels in sponges
3. anterior-posterior orientation of segments in protostome embryos
4. positioning of tentacles in cnidarians
5. anterior-posterior orientation in vertebrate embryos