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TLS Online TPP Program

#Question id: 779

Which is TRUE of the following statements?

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. A microRNA normally works by binding to perfectly complementary sequences within an RNA transcript, usually a mRNA.

  2. A single type of mRNA can be regulated by multiple different miRNAs.

  3. A single miRNA normally binds to transcripts from just one target gene.

  4. MicroRNAs normally regulate the expression of just a single gene.

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TLS Online TPP Program

#Question id: 19891

#Unit 12. Applied Biology

Which one of the following sensors uses light?
TLS Online TPP Program

#Question id: 9256

#Unit 9. Diversity of Life Forms

Which of the following areas of study focuses on the exchange of energy, organisms, and materials between ecosystems?
TLS Online TPP Program

#Question id: 15772

#Unit 5. Developmental Biology

A stem cell capable of producing all the cell types of a lineage is said to be
TLS Online TPP Program

#Question id: 10193

#Unit 6. System Physiology – Plant

Leaf orientation is controlled by a specialized organ that contains motor cells that change their osmotic potential and generate mechanical forces that determine laminar orientation, that specialized organ is known as
TLS Online TPP Program

#Question id: 3027

#Unit 2. Cellular Organization

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