The Unbroken Column of Water from the Roots to the Highest

question 246

Multiple Choice

The unbroken column of water from the roots to the highest leaves is kept intact by

• A) tension.
• B) transpiration.
• C) atmospheric pressure.
• D) cohesion.
• E) evaporation.

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Definitions:

Introns

Non-coding sequences of DNA within a gene that are removed by RNA splicing during the processing of the initial RNA transcript into mRNA.

Exons

Sequences of DNA or RNA that code for proteins or are involved in regulating gene expression.

Genetic Markers

Specific DNA sequences that can be identified and used to track genetic differences or diseases within a population.

Smaller Genomes

Refers to the complete set of genetic material within an organism that is notably compact. Smaller genomes are often found in bacteria and some eukaryotes, which may lead to benefits such as faster replication rates.