With Regard to the Lactose Operon,which of the Following Is

question 33

Multiple Choice

With regard to the lactose operon,which of the following is false under conditions of low (or no) lactose?

• A) the RNA polymerase cannot transcribe structural genes
• B) the repressor is bound to the operator
• C) lactose is not bound to the repressor
• D) RNA polymerase can bind to the promoter

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Definitions:

Electromagnetic Wave

A wave of electric and magnetic fields that propagates through space at the speed of light, including visible light, radio waves, and X-rays.

Mammography

An X-ray imaging method specifically used for breast examination, helping in the early detection of breast cancer.

Retrograde Pyelography

A diagnostic X-ray technique in which a contrast medium is introduced into the kidneys from the bladder to visualize the urinary system.

Urethral Catheter

A pliable conduit placed via the urethra into the bladder for the purpose of draining urine.