Which of the Following Factors Has Delayed the Development of Laboratory-Based

question 7

Multiple Choice

Which of the following factors has delayed the development of laboratory-based genetic systems in Archaea?

• A) There are no documented systems of conjugation in Archaea.
• B) Homologous recombination does NOT occur in Archaea.
• C) Archaea do NOT host viruses or plasmids.
• D) Many archaea grow in extreme or unusual conditions that make the use of agar and traditional mutant screening techniques problematic.

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Definitions:

Myelinization

The process of forming a myelin sheath around the nerves in the body, which enhances the speed and efficiency of electrical signal transmission in the nervous system.

Cortex

the outer layer of the cerebrum in the brain, involved in numerous high-level functions including thought, memory, and consciousness.

Rooting Reflex

The Rooting Reflex is an automatic movement response observed in infants, who naturally turn their head toward a touch on their cheek and open their mouth to 'root' in the direction of the touching object, typically for breastfeeding.

Moro

A primitive reflex seen in newborn infants, characterized by spreading the arms, pulling the arms in, and usually crying, in response to a sensation of falling.