Activators - Study guides, Class notes & Summaries

Bio 101 Final- Straighterline with Verified Solutions 2024 You are most likely to see hag fish, sperm whales, and viperfish inhabiting which of the following zones of the ocean? a. abyssal b. bathypelagic c. epipelagic d. mesopelagic - Answer -bathypelagic What was the first seed plant to appear? a. angiosperm b. bryophytes c. gymnosperm d. nonvascular plants - Answer -gymnosperm In a pedigree for an autosomal recessive disorder, which of the following will occur if two homozygous ...

What is the LacZ enzyme? - Answer breaks down the disaccharide sugar D-lactose to the 2 monosaccharides D-galactose and D-glucose (both will go into glycolysis) What does binding of repressors & activators do to the DNA molecule? - Answer physically change it How is the trp repressor an example of negative regulation of a repressible anabolic operon? - Answer * Low tryptophan levels, transcription of the entire trp operon occurs * High tryptophan levels bind to repressor, repression occurs...

Mutations in what type of cell can be passed down to offspring? ~ Germ cells You are a researcher studying the LMNOP gene in human cells. Upon analysis of the cell, you find that this gene produced 3 different protein products from the same DNA sequence. At which of the following time points would gene regulation of the LMNOP gene definitely not be occurring? ~ Start of transcription The enhancer sequence of a gene is the site where ~ Activators bind to recruit proteins to the promote...

Etiology correct answer: cause, or set of causes, of a disease or condition Pathogenesis correct answer: mechanism for development of a disease Coagulopathy correct answer: condition where blood's ability to form clots (or coagulate) is impaired Thrombosis correct answer: pathological process with formation of blood clot (thrombus) in an uninjured vessel (cause of sudden death) Occlusion correct answer: blockage or closing of vessel Erythrocytes correct answer: red blood ce...

You are most likely to see hag fish, sperm whales, and viperfish inhabiting which of the following zones of the ocean? a. abyssal b. bathypelagic c. epipelagic d. mesopelagic - bathypelagic What was the first seed plant to appear? a. angiosperm b. bryophytes c. gymnosperm d. nonvascular plants - gymnosperm In a pedigree for an autosomal recessive disorder, which of the following will occur if two homozygous unaffected individuals mate? a. They will have affected offspring. ...

You are most likely to see hag fish, sperm whales, and viperfish inhabiting which of the following zones of the ocean? a. abyssal b. bathypelagic c. epipelagic d. mesopelagic - correct answer bathypelagic What was the first seed plant to appear? a. angiosperm b. bryophytes c. gymnosperm d. nonvascular plants - correct answer gymnosperm In a pedigree for an autosomal recessive disorder, which of the following will occur if two homozygous unaffected individuals mate? a. They w...

What is hemostasis? correct answer: Hemostasis is a multistep process that maintains the integrity of a closed high pressure circulatory system after vessel injury. What is the process of hemostasis regulated by? correct answer: The normal process of hemostasis is regulated by a complex array of activators and inhibitors that maintain blood fluidity and prevent blood from leaving the vascular compartment. When is hemostasis considered normal? correct answer: Hemostasis is normal when a ...

A 28-year-old woman with no past medical history presents to the emergency department with acute dyspnea. Physical exam reveals tachycardia, warm extremities, wide-pulse pressure, bounding pulses, a systolic flow murmur, exophthalmos and a neck mass. Which of the following is the most likely diagnosis? - High Output Heart Failure 2ndary to Thyrotoxicosis! A 32-year-old man presents after a syncopal episode. He was running on the track when he developed shortness of breath followed by witnes...

MCDB 3135 Final Exam Questions & Answers 2023/2024 What is the most common step where regulation occurs, and what advantage does a cell have in regulating this step? - ANSWER-transcription initiation is most common regulatory step in bacteria and eukaryotes • eliminates wasteful investment of cellular energy in mRNA and protein synthesis • regulation downstream of transcription initiation can respond more rapidly regulatory proteins - ANSWER-that bind "regulatory sites" in DNA ...

MICR 2123 Final Exam Questions with Answers All Updated Nonsense Mutation - Answer-The changed codon now calls for a stop codon, ending the genetic code early. Framshift Mutation - Answer-Most extreme type of mutation. A single base is added or deleted, changing the entire frame after the mistake. Control of Gene Expression: DNA Level - Answer-Most drastic and least reversible. Mutate the gene. Control of Gene Expression: Transcription Level - Answer-Activators and repressors, as we...