Ubiquitination - Samenvattingen, Aantekeningen en Examens

Pyrimidine dimers formed in DNA due to UV radiation can be repaired by? SOS repair Double strand break repair Mismatch repair Photoreactivation repair (nucleotide excision repair) Base excision repair - CORRECT ANSWER Photoreactivation repair (nucleotide excision repair) Which of the following repair mechanisms uses methyl groups to distinguish between parental and daughter strands? Answers: Mismatch repair Photoreactivation repair (Nucleotide excision repair) SOS repair Doubl...

BIOCHEM 3560 Practice Questions With Answers Latest 2023/2024 (Graded 100%). A positive heterotrophic allosteric modulator could: Decrease K0.5 Decrease Vmax Decrease [S] also act as a substrate Bind in the catalytic site Question 4 The enzyme apartate transcarbamoylase: Forms carbamoyl phosphate Forms ATP Forms N-carbamoylaspartate Forms CTP Question 5 In the Stieglitz paper, small angle X-ray scattering provides information about: the position of secondary structure elements (mu...

BIOL2200 Midsemester Exam | 100% Correct Answers | Verified | Latest 2024 Version What is the DNA -> RNA process? - RNA polymerase I creates a transcript. This is primary RNA with 5' cap and 3' with poly(a) site. Maturation of RNA includes cleaving at the poly(a) site and RNA splicing of introns to leave matureRNA. What is the mRNA to protein process? - Codons run through ribosome in 3 base pairs. A corresponding tRNA recognises 3 base pair and brings with it conjugate bases and an ...

Phospholipid bilayers are NOT stabilised by: a. van der Walls forces b. covalent bonds c. hydrogen bonds d. ionic bonds e. hydrophobic interactions - b. covalent bonds A transmembrane protein has the following properties: it has two binding sites, one for solute A and one for solute B. The protein can undergo a conformational change to switch between two states: either both binding sites are exposed exclusively on one side of the membrane, or both are exposed exclusively on the ot...

When amino acids from dietary proteins enter a cell, how are they able to enter the urea cycle? correct answers Through conversion to aspartate The two mechanisms to regulate protein ubiquitination are biochemical changes to correct answers target proteins and E3 ligases Why does it make sense that tadpoles (which live in water) have low levels of the enzyme arginase, but after metamorphosis into frogs (which live on land), thier arginase levels increase? correct answers Tadpoles living in...

UNE biochem Unit 4 exam questions & answers 2024 Ubiquitination is a means of targeting a protein for which of the following cellular processes? - ANSWER-Proteasomal degradation The reaction of ammonia with a-ketoglutarate is catalyzed by_______ and requires ________ as a reactant? - ANSWER-Glutamate dehydrogenase; NADH or NADPH Most enzymes involved in a protein digestion require cleavage for activation. These proteins are secreted as inactive protein forms called: - ANSWER-Zymogens ...

NRF 2 Exam Questions with All Correct Answers Nrf2 is responsible for... - Answer-Phase 2 drug metabolism (drug detoxification) How does Nrf2 become transcriptionally active? - Answer-Heterodimerization with transcription factor Maf Nrf2 binds to _______ to mediate gene transcription - Answer-Antioxidant response elements (ARE) Nrf2 is key in... - Answer-Redox homeostasis Nrf2 upregulates... - Answer-Enzymes and proteins involved in redox homeostasis by upregulating gene expression...

UNE biochem Unit 4 Exam |50 Questions| All Passed!! Ubiquitination is a means of targeting a protein for which of the following cellular processes? Proteasomal degradation The reaction of ammonia with a-ketoglutarate is catalyzed by_______ and requires ________ as a reactant? Glutamate dehydrogenase; NADH or NADPH Most enzymes involved in a protein digestion require cleavage for activation. These proteins are secreted as inactive protein forms called: Zymogens The urea cycle takes place...

lysosome correct answers A large carbohydrate = tagged w/ a fluorescent marker and placed in the extracellular environment around a macrophage. The macrophage ingests the carbohydrate via phagocytosis. Which cellular structure is most likely to be fluorescently labeled upon viewing w/ a light microscope soon after phagocytosis? allosteric regulation and feedback inhibition correct answers inhibition of phosphofructokinase-1 by ATP is an example of: ATP correct answers end pdt of glycolysis...

Insulin-mediated glucose uptake by muscle and adipose tissue is a result of: - Translocation of GLUT 4 receptors to the cell surface The two primary non-toxic methods of transport ammonia are using he amino acids: - glutamine and alanine a healthy, well-nourished 27-year old ate a large steak and egg breakfast. A few hours later, she consumed an ice cream sundae. The protein from her diet is denatured and then proteolyses to single amino acids. Several hours later, the majority of th...