Ras pathway Study guides, Class notes & Summaries

MMSC 490 Final Exam Practice Questions and Answers Which of the following regulates genes by binding directly to transcription proteins? a. Growth hormone b. insulin c. steroid hormones d. epinephrine - Answer ️️ -c. steroid hormones Monomeric G proteins, such as Ras and several elongation factors, are usually in the active state when a molecule of ____ is bound to them. a. GDP b. GTP c. ADP d. ATP - Answer ️️ -b. GTP The first amino acid of eukaryotic polypeptides is a. the...

Bio D103 Final Test Questions with Correct Answers 2024 Update Rated A+ Which of the following processes in the cell cycle would be most likely to be affected by loss of the molecular motor myosin II? Cell division Which of the following conditions would block cytokinesis? Inhibition of the translocation of GEF protein to the midbody Which of the following is NOT a feature of cells undergoing apoptosis? Ligation of DNA fragment Which of the following genetically engineered proteins...

Which layer of the leaf contains the majority of chloroplasts? Correct Answer Mesophyll Which of the following events happens during the Calvin Cycle stage of photosynthesis? Correct Answer Carbon is fixed from CO2 into a biological molecule In a study designed to determine a plants photosynthetic pathway, a student finds that his plant accumulates malic acid during the night hours, his plants must be: Correct Answer CAM During which phase of the cell cycle do daughter cells separate fr...

What is the reticular formation? - organized on a macroscopic level - loosely arranges cell bodies intermingles with bundles of axons - extends upwards to the level of the thalamus - extends downwards to be continuous with the spinal cord what are the distinct functions of the reticular formation 1. controlling arousal and consciousness - RAS - involved in sleep (especially REM) - biological clock) 2. Reticulospinal tract (help maintain tone and posture) 3. Involved in autonomic...

Nursing 113 Exam 2 Sensory Reception is the process of receiving data about the external or internal environment through the senses. The senses by which individuals maintain contact with the external environment are: vision (visual), hearing (auditory), smell (olfactory), taste (gustatory), and touch (tactile). Sterognosis is the sense that perceives the solidity of objects and their size, shape, and texture. Ex -- putting a paperclip in someone's hand when their eyes are closed and they...

Describe the role that motor proteins play in the extension of the axon correct answers Motor proteins move along the microtubule and microfilament tracks transporting cargoes using energy from ATP hydrolysis. The motor protein kinesin moves components towards the growth cone or plus end of MTs while dynein move components to minus end of the MTs or back towards the cell body. What seems to be the most important factor for the selection of the neurite to become the axon? Describe some evidenc...

NR 507 Week 1 Quiz 2 What of the following remains a significant cause of morbidity and mortality worldwide? Infectious disease Despite the wide scale implementation of progressive public health and immunization policies, infectious disease remains a significant cause of morbidity and mortality. Which statement about vaccines is true? Vaccines require booster injections to maintain lifelong protection. In general, vaccine-induced protection does not persist as long as infection-...

ARDMS Abdomen Ultrasound Registry Review Exam 272 Questions with Verified Answers How many segments does the Couinaud system divide the liver into? - CORRECT ANSWER Eight surgical segments What divides the right lobe of the liver into an anterior and posterior segment? - CORRECT ANSWER Right hepatic vein What vessel separates the right and left lobe? Where does it lie (fissure)? - CORRECT ANSWER Middle hepatic vein, which lies in the main lobar fissure LLL is divided into medial an...

NR 507 Week 1 Quiz 2 What of the following remains a significant cause of morbidity and mortality worldwide? Infectious disease Despite the wide scale implementation of progressive public health and immunization policies, infectious disease remains a significant cause of morbidity and mortality. Which statement about vaccines is true? Vaccines require booster injections to maintain lifelong protection. In general, vaccine-induced protection does not persist as long as infection-...

T/F: self suffciency in growth signals is a hallmark of cancer - True T/F: enhanced sensitivity to anti-growth signals is a hallmark of cancer - False T/F: tumor promoting inflammation is a hallmark of cancer - True T/F: limited replicative potential is a hallmark of cancer - False Genomic instability and mutation - PARP inhibitors Enabling replicative immortality - telomerase inhibitors Avoiding immune detection - immune activating anti-CTLA4 mAb Sustaining prolifera...