The Backbone of DNA Consists of the Atoms O-P-O-C-C-C

question 64

Multiple Choice

The backbone of DNA consists of the atoms O-P-O-C-C-C.Each atom has a(n) _____ electron-pair geometry.

• A) tetrahedral
• B) trigonal bipyramidal
• C) trigonal-planar
• D) linear
• E) octahedral

Understand the importance of fungi in reforestation efforts and how their relationships with plants facilitate ecosystem recovery.

Identify key fungal groups and their characteristics, including differences in life cycles and reproductive strategies.

Explain the significance of karyogamy and plasmogamy in the fungal life cycle.

Understand how fungi adapt to environmental stress and their role in maintaining ecosystem stability.

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Definitions:

Adrenal Cortex

The outer portion of the adrenal gland responsible for producing steroid hormones, including cortisol and aldosterone, which regulate metabolism and stress.

Acetylcholine

A neurotransmitter involved in many functions including muscle movement, heart rate, memory, and learning.

Muscle Contractions

The process whereby muscle fibers shorten or lengthen to produce movement or maintain posture as a response to stimulation by nerve impulses.

Dependent Variable

The variable that is being measured in an experiment or study to see if it is affected by changes in another variable.