Use the following diagram of a hypothetical food web to answer the following questions. The arrows represent the transfer of food energy between the various trophic levels.

Which letter represents an organism that could be a primary consumer?

TLS Online TPP Program

#Question id: 4674

#Unit 3. Fundamental Processes

λ-repressor encoded by

TLS Online TPP Program

#Question id: 4673

#Unit 3. Fundamental Processes

Lysogenic growth proceeds when

TLS Online TPP Program

#Question id: 4672

#Unit 3. Fundamental Processes

Lytic growth proceeds when

TLS Online TPP Program

#Question id: 4671

#Unit 3. Fundamental Processes

CpG island promoters are methylated at position 5 of the pyrimidine ring. CG sequences are thought to be underrepresented in mammalian genomes because

TLS Online TPP Program

#Question id: 4669

#Unit 3. Fundamental Processes

Instead of a TATA box, some eukaryotic genes contain an alternative promoter element called an initiator. Most naturally occurring initiator elements have

TLS Online TPP Program

#Question id: 4668

#Unit 3. Fundamental Processes

During an initiation of transcription of DNA, the polymerase II has