Chemical signalling - Study guides, Class notes & Summaries

AQA GCSE Biology - Paper 1 Exam Questions With 100% Correct Answers What does a nucleus do? - answerIt contains genetic material and controls the activities of the cell What does cytoplasm do? - answerIt's a gel-like substance where most of the chemical reactions happen. It contains enzymes that control these chemical reactions What does a cell membrane do? - answerIt holds the cell together and controls what goes in and out What do mitochondria do? - answerThese are where most of the r...

AQA GCSE Biology - Paper 1 Exam Questions With 100% Correct Answers What does a nucleus do? - answerIt contains genetic material and controls the activities of the cell What does cytoplasm do? - answerIt's a gel-like substance where most of the chemical reactions happen. It contains enzymes that control these chemical reactions What does a cell membrane do? - answerIt holds the cell together and controls what goes in and out What do mitochondria do? - answerThese are where most of the r...

RNAS C Practice Test Review 437 Questions with Verified Answers A capacitor and resisitor in parallel - CORRECT ANSWER will have same voltage across since in parallel. if in series, voltage drops would occur they can be treated together If the absolute pressure of a gas is increased from 3 atm to 4 atm at constant volume, then the absolute temperature of the gas will increase by: A. 25%. B. 33%. C. 67%. D. 75% - CORRECT ANSWER B. Assuming the validity of the Ideal-Gas law, PV = n...

What does a nucleus do? - answer It contains genetic material and controls the activities of the cell What does cytoplasm do? - answer It's a gel-like substance where most of the chemical reactions happen. It contains enzymes that control these chemical reactions What does a cell membrane do? - answer It holds the cell together and controls what goes in and out What do mitochondria do? - answer These are where most of the reactions for aerobic respiration occur. Respiration transfers...

AQA GCSE Biology - Paper 1 Exam Questions With 100% Correct Answers What does a nucleus do? - answerIt contains genetic material and controls the activities of the cell What does cytoplasm do? - answerIt's a gel-like substance where most of the chemical reactions happen. It contains enzymes that control these chemical reactions What does a cell membrane do? - answerIt holds the cell together and controls what goes in and out What do mitochondria do? - answerThese are where most of the r...

What is the proteome of the cell? correct answer: the full complex of proteins that can be produced using genetic material and post translational modifications What are some example of post translational modifications? correct answer: phosphorylation (signalling) GPI anchor (PM proteins) O-glycans (nuclear and cytosolic proteins) polyubiquitination (can induce protein degredation) How can you watch the purification of recombinant poly-His tagged GFP? correct answer: use Ni2+ immobili...

AQA GCSE Biology - Paper 1 Exam Questions and Answers What does a nucleus do? - Answer️️ -It contains genetic material and controls the activities of the cell What does cytoplasm do? - Answer️️ -It's a gel-like substance where most of the chemical reactions happen. It contains enzymes that control these chemical reactions What does a cell membrane do? - Answer️️ -It holds the cell together and controls what goes in and out What do mitochondria do? - Answer️️ -These are w...

Chapter 03 Testbank Student: ___________________________________________________________________________ 1. In biological systems, energy can be stored as A. potential energy. B. kinetic energy. C. heat. D. mechanical energy. E. All of the answers are correct. 2. According to the first and second laws of thermodynamics A. energy flows spontaneously from systems with high free energy to systems with low free energy in a series of step-by-step transformations. B...

LATEST BIOS 251 Final Exam 2023-24 |ACCURATE EXAM WITH 100% CORRECT ANSWERS (SUMMER-FALL SESSION GRADED A+) Name five fundamental characteristics shared by all living organism. 1. Cells 2. Energy consumption 3. Information 4. Replication 5. Evolutionary adaptation Describe the two components of cell theory. 1. All living things are made up of cell or cells. 2. Cells come from other cells. Define energy, and describe the major forms it can take. Understand in what way chemical bonds c...

Outline how a negative feedback mechanism works (4) Oct/Nov 2017 V1 - 1 change in factor away from, the norm / set-point 2 detected / sensed by, receptor 3 hormone released or (nerve) impulse sent 4 (hormone / impulse) reaches, target organ / effector ; 5 (effector) performs corrective action- counteracts change 6 (factor) returns to, norm / set-poin Describe the role of the nervous system in the control of blood glucose concentration (4) Oct/Nov 2017 V1 - 1 hypothalamus detects cha...