Heavy methylation of lysines in histone tails is usually associated with repression of transcription

A. true
B. false


A

Biology & Microbiology

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Answer the following statements true (T) or false (F)

1. There are no parasitic crustaceans. 2. Each arm of the starfish differs internally, one being specialized for reproduction, another for respiration, a third for digestion, a fourth for the water vascular system, and the fifth for the nervous and circulatory systems. 3. Autotomy is the ability of an animal to lose a body part and subsequently regenerate it. 4. Echinoderms have an exoskeleton.

Biology & Microbiology

What is the study of genomes of multiple species that interact in an environment, which can also be used to identify new species, called?

a. gene therapy b. transgenics c. metagenomics d. pharmacogenomics

Biology & Microbiology

Which is NOT a biogeographic realm?

a. Palearctic b. Ethiopian c. Equatorial d. Oriental e. Australian

Biology & Microbiology

Which term best describes the typical movement of xylem sap from roots to shoot parts?

a. facilitated diffusion b. symport c. osmosis d. bulk flow

Biology & Microbiology