Gated transport Study guides, Revision notes & Summaries

BIOS 1300 Exam 4 (2023/2024) Already Passed what are the functions of the nervous system sensory integration motion what is the sensory function of the nervous system recognize changes in environment what is the integration function of the nervous system analysis of sensory information what is the motor function of the nervous system signals to effectors what are the two divisions of the nervous system central and peripheral what is the sensory division of the peripheral nervous system soma...

random movement of molecules is impacted by... correct answers 1. size 2. charge 3. temperature 4. crowding 5. barriers what can cross the membrane correct answers 1. hydrophobic molecules (O2, CO2) 2. small uncharged polar (H2O, glycerol) characteristics unique to carriers correct answers 1. open to only one side at a time 2. passive or active 3. slower flow (hyperbolic curve) characteristics unique to channels correct answers 1. can be gated 2. open to both sides 3. don...

Lithium - Answer Action: alters cation transport in the nerve and muscle indication: euphoric mania, rapid cycling, maintenance therapy CKD, AE: GI effects, tremor, polyuria Pearls: monitor plasma levels, reduce dose w/renal failure, use caution w/ concurrent diuretics, use to protect against suicide Lamotrigine (Lamictal) - Answer Action: affects sodium channel ion transport and enhances the effect of GABA indications: maintenance, monotherapy for bipolar disorder AE: benign rash, G...

Insulin increases glucose transport into skeletal muscle cells by: - Increasing translocation of GLUT- 4-containing vesicles to the plasma membrane An inhibitor of the serine kinase GSK-3beta will have all of the following effects on insulin-resistant skeletal muscle except: - Cause decreased serine phosphorylation of IRS-1 in the presence of insulin. - Cause increased insulin-stimulated glucose transport. - Cause decreased insulin-stimulated tyrosine phosphorylation. - Cause reduced seri...

AP Biology Practice Exam Questions and Answers yes is testosterone lipid soluble testosterone readily passes through the cell membrane and binds to a receptor in the cytoplasm. the hormone and receptor then enter the nucleus and act as a transcription factot voltage-gated calcium channels in the membrane open what is a direct result of depolarizing presynaptic membrane of an axon oxygen gas in photosynthesis, atom goes from water to pump whenever this term is used, acti...

Cardiac muscle contraction is considered to be voluntary movement. - False; it moves involuntarily In the gastrointestinal tract, smooth muscle is enriched. - True In our body, approximately 8 liters of intestinal juices are secreted into the GI tract daily, but only 100 ml of water is secreted into the feces. - True Normal movement of blood flow in the heart is: left atrium-left ventricle-lung-right atrium-right ventricle. - False; Right atrium-right ventricle-lung-left...

Which of the following interactions are generally considered to be unfavorable? - Interaction between Arg and Lys side chains at a pH of 7, assuming standard pKa values for Arg and Lys Proteins can be denatured by a) Changing temperature b) Adding urea to solution c) Changing solvent d) all choices are correct - All choices are correct If PAGE is carried out after subjecting the sample to SDS and beta-mercaptoethanol, then proteins will be separated on the basis of - Mass Which is the most...

Cell and molecular biology (alberts) EXAM QUESTIONS AND CORRECT ANSWERS(VERIFIED ANSWERS)|AGRADE Cytoplasm - ANSWER-Contents of a cell that are contained within its plasma membrane but, in the case of eukaryotic cells, outside the nucleus Cytosol - ANSWER-Contents of the main compartment of the cell, excluding the nucleus and membrane bounded compartments such as ER and mitochondria. the main site of protein degradation Gated transport - ANSWER-Movement of proteins through nuclear pore ...

Metabolism - Sum of all chemical reactions in the body Anabolism (synthesis reaction) - Builds molecules catabolism (decomposition reaction) - Break down molecules Cellular respiration - -metabolic reaction in cells -converts glucose to ATP (energy) Aerobic respiration - -Requires oxygen -creates CO2, water, and ATP Cell structure sub parts - 1. Plasma (cell) membrane 2. Cytoplasm (cytosol + organelles) Plasma membrane STRUCTURE - -defines boundaries of the cell -intracel...

PNB 2264 Final Cumulative Exam With Complete Solutions 2024/2025 Choose the answer that best illustrates hierarchy of organization. A. Blood levels of glucose are maintained within narrow limits B. Organs are made up of molecules and tissues are made up of organ systems C. Diffusion occurs down a concentration gradient D. Tissues are made up of cells and organs are made up of tissues E. All of the above - answerD. Tissues are made up of cells and organs are made up of tissues The purpos...