Histone acetyltransferase - Study guides, Class notes & Summaries

BIOL 3025 STUDY GUIDE TEST. The lac operon is expressed when A) glucose is high and lactose is absent. B) glucose is low and lactose is absent. C) glucose is low, regardless of the presence or absence of lactose. D) glucose is high and lactose is present. E) glucose is low and lactose is present. - CORRECT ANSWER E When in a complex with ________, the CAP protein binds to the CAP site and ________ the expression of the lac operon. A) glucose ; switches on B) lactose ; switches on ...

What neurochemical abnormality is most consistently described in Alzheimer disease of moderate severity. Decreased choline acetyltransferase activity Which of the following sources of pain is thought to have a primarily central (non-nociceptive) mechanism? a) cancer pain b) fibromyalgia c) osteoarthritis d) diabetic neuropathy e) postherpetic neuralgia b) fibromyalgia A patient presents with mild memory impairment, tearfulness, insomnia, and blurry vision. The patient acts as if blind, cannot...

What neurochemical abnormality is most consistently described in Alzheimer disease of moderate severity. - ANS Decreased choline acetyltransferase activity Which of the following sources of pain is thought to have a primarily central (non-nociceptive) mechanism? a) cancer pain b) fibromyalgia c) osteoarthritis d) diabetic neuropathy e) postherpetic neuralgia - ANS b) fibromyalgia A patient presents with mild memory impairment, tearfulness, insomnia, and blurry visio...

the lac operon is expressed when glucose is low and lactose is high when in a complex with ____, the CAP protein binds to the CAP site and _____ the expression of lac operon. cAMP; switches on in the absence of lactose, the lac repressor is active and can bind to the operator which region associated with the lac operon is not involved in the binding of RNA polymerase? lacZ RNA polymerase binds to the promoter the most efficient control of eukaryotic gene expression is achieved at the level ...

thermodynamic mixture the more stable isomer will be the most most favorable (will be of larger percentage in the product) energy stored by capacitors constant deceleration means that the velocity over time will decrease linearly with time linearly decreasing decelerating force means that velocity over time will exponentially decrease with time The relative thermodynamic stability of isomeric organic compounds can be inferred from which of the following types of ex...

MCAT (BIOLOGY + Biochemistry) LATEST Q&A 100% CORRECT Spring Serie's VERIFIED SOLUTIONS.MCAT (BIOLOGY + Biochemistry) LATEST Q&A 100% CORRECT Spring Serie's VERIFIED SOLUTIONS.MCAT (BIOLOGY + Biochemistry) LATEST Q&A 100% CORRECT Spring Serie's VERIFIED SOLUTIONS.MCAT (BIOLOGY + Biochemistry) LATEST Q&A 100% CORRECT Spring Serie's VERIFIED SOLUTIONS.MCAT (BIOLOGY + Biochemistry) LATEST Q&A 100% CORRECT Spring Serie's VERIFIED SOLUTIONS.MCAT (BIOLOGY + Biochemistry) LATEST Q&A 100...

A eukaryotic gene is most likely to be transcribed if it is located where? In a region of the genome in which the histones are methylated In a heterochromatic region of teh genome In a region of the genome in which the histones are acetylated In a region of the genome in which the histones are unmodified - Answer-In a region of the genome in which the histones are acetylated A mutant strain of E. coli is found that produces both β-galactosidase and permease constitutively. What are the M...

The Dogma - answer-- the step-by-step process from DNA to mRNA to proteins - What is encoded as DNA ends up as proteins Regulation of Proteins: - answer-- transcription - translation - posttranslational modifications Organization of Genetic Information - answer-- DNA sequences are organized in genes the contain information to code for proteins - genes are located on chromosomes and tightly packed in a structure of DNA and protein (histones) Regulated Transcription - answer-- the mea...

Thyroid hormone and retinoic acid has common property as - Answer- DNA binding domain as both have intracellular receptors lung caner that lies centrally and seen in smokers has hypercalcemia due to PTHrP - Answer- Squamous cell carcinoma Chronic lithium toxicity - Answer- confusion, ataxia, neuromuscular excitabiliyt can be preceipated by volume depletion and drug interactions with thiazide diuretics, ACE inhibitors, and NSAIDs Nephrogenic DI osteoclast-activating factor - Answer- IL-...

What neurochemical abnormality is most consistently described in Alzheimer disease of moderate severity. - ANSWERSDecreased choline acetyltransferase activity Which of the following sources of pain is thought to have a primarily central (non-nociceptive) mechanism? a) cancer pain b) fibromyalgia c) osteoarthritis d) diabetic neuropathy e) postherpetic neuralgia - ANSWERSb) fibromyalgia A patient presents with mild memory impairment, tearfulness, insomnia, and blurry vision. The pat...