Magnification equation - Study guides, Class notes & Summaries

AQA GCSE Biology - Paper 1 Rated A+ What does a nucleus do? ️It contains genetic material and controls the activities of the cell What does cytoplasm do? ️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? ️It holds the cell together and controls what goes in and out What do mitochondria do? ️These are where most of the reactions for aerobic respiration occur. Respirat...

Is a microscopes eyepiece has a magnification of 10x and the object would be magnified at 430 times: what is the high power magnification 43x Photosynthesis equation 6CO2 + 6H2O ------> C6H12O6 + 6O2 Brainpower Read More 0:06 / 0:15 Which of these elements of an ecosystem would be the first to be affected by the removal of decomposers? The return of inorganic nutrients Which of these organelles would NOT be essential To the amoeba if the amoeba has evolved in s...

AQA GCSE Biology - Paper 1 exam 2024 latest update graded A+ What are muscle cells specialised for and how are they specialised? - ANSWER>>>Contraction - they need to contract quickly -They are long so they have space to contract -They contain lots of mitochondria to generate the energy needed for contraction What are root hair cells specialised for and how are they specialised? - ANSWER>>>Absorbing water and minerals -They are cells on the surface of plant roots which grow i...

Question Marking Guidance Mark Comments 01.1 B: is hydrolysed in the ileum and a product of this hydrolysis is found in micelles; A: is formed by a condensation reaction between two α-glucose molecules; C: is formed by the action of DNA polymerase; B: gives a positive result in an emulsion test; 4 (4 x AO1) Question Marking Guidance Mark Comments 01.2 1. Facilitated diffusion of amino acid (into cell when higher concentration in lumen); 2. Co-transport; 3. S...

What is an electron microscope? (SB1a) - correct answer Microscopes that send beams of electrons through a specimen to build up an image. What is meant by an instrument's resolution? (SB1a) - correct answer The smallest distance between two visible points Why can some cell structures be seen with an electron microscope but not with a light microscope? (SB1a) - correct answer ...

Physics lights and sound Qs&As 2024 Magnification - Answer-Height of image/height of object power of lens equation - Answer-1/focal length specular reflection - Answer-Reflection from smooth flat surface diffuse reflection - Answer-Surface is rough Light is scattered Distorts image When the angle of refraction is 90 degrees - Answer-Angle of incidence is called critical angle total internal reflection - Answer-Angle i> critical angle Refraction - Answer-Angle < critical angle U...

AQA GCSE Biology - Paper 1 Final Exam Prediction Questions 2024.What does a nucleus do? - CORRECT ANSWER It contains genetic material and controls the activities of the cell What does cytoplasm do? - CORRECT 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? - CORRECT ANSWER It holds the cell together and controls what goes in and out What do mitochondria do? - CORRECT ANS...

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 e...

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 and Answers 100% Correct Magnification equation - Answer️️ -Magnification= image size/actual object size Light microscope- how many um in 1 mm - Answer️️ -1000 um light microscope- how many nm in 1 um - Answer️️ -1000 nm Light microscope- why can we see the nucleus and cell wall but not the mitochondria - Answer️️ -Too small and not stained light microscope- how can we see smaller parts of cells - Answer️️ -An electron microscop...