_______Streams Flow Year-Round,fed by Snowmelt,rainfall,groundwater,or a Combination Thereof

question 96

Multiple Choice

_______streams flow year-round,fed by snowmelt,rainfall,groundwater,or a combination thereof.

• A)Permanent
• B)Intermittent
• C)Ephemeral
• D)Perennial

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Definitions:

DNA Ligase

A substance that helps in the combination of DNA molecules by catalyzing a phosphodiester bond.

Cosmid Cloning Vectors

Hybrid plasmid-bacteriophage DNA vectors used in genetic engineering for cloning large DNA fragments.

Restriction Enzyme

A protein produced by bacteria that cleaves DNA at specific sites, widely used in molecular biology for DNA manipulation.

Reverse Transcriptase

An enzyme used by some viruses (including retroviruses like HIV) to transcribe their RNA into DNA, allowing them to integrate into the host genome.