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TLS Online TPP Program

#Question id: 11763

What makes certain red algae appear red?

#Unit 9. Diversity of Life Forms
  1. They live in warm coastal waters.
  2. They possess pigments that reflect and transmit red light.
  3. They use red light for photosynthesis.
  4. They lack chlorophyll.
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TLS Online TPP Program

#Question id: 5074

#Unit 5. Developmental Biology

The "mid-blastula transition" is the point in development when:
TLS Online TPP Program

#Question id: 5075

#Unit 5. Developmental Biology

Which of the following developmental processes has been most recently completed in the amphibian embryo shown here?

 
TLS Online TPP Program

#Question id: 5076

#Unit 5. Developmental Biology

Homeotic genes are responsible for:
TLS Online TPP Program

#Question id: 5077

#Unit 5. Developmental Biology

Humans and mice heterozygous for loss-of-function mutations in Pax6 have:
TLS Online TPP Program

#Question id: 5078

#Unit 5. Developmental Biology

A human blastomere is:
TLS Online TPP Program

#Question id: 5079

#Unit 5. Developmental Biology

The pattern of embryonic development in which only the cells lacking yolk subsequently undergo cleavage is called: