Appreciating How the Function of DNA Was Determined DNA was actually first observed in the 1800s by a Swiss scientist called Friedrich Miescher Miescher is credited with being the first pers...
Ribosomes Ribosomes are?small organelles?that are either?free?in the cytoplasm (of all cells) or are attached to the?rough endoplasmic reticulum?(only in eukaryotic cells) Ribosomes are the ...
The Structure of RNA Like DNA, the nucleic acid RNA (ribonucleic acid) is a?polynucleotide?– it is made up of?many nucleotides?linked together in a chain Like DNA, RNA nucleotides contain th...
The Structure of DNA The nucleic acid DNA is a?polynucleotide?– it is made up of?many nucleotides?bonded together in a?long chain A DNA nucleotide DNA molecules are made up of?two pol...
Nucleotide Structure & the Phosphodiester Bond Both DNA and RNA are?polymers?that are made up of?many repeating units?called?nucleotides Each nucleotide is formed from: A?pentose sugar?(...
Practical Skill: Control of Variables & Uncertainty Enzyme rate experiments?are experiments that are carried out to determine the?effect?of?changing?a particular?factor?on the?rate of a ...
Students should be able to: Appreciate the Models & Functions of Enzyme Action Models of enzyme action Scientists often use?models?to explain their observations from experiments As techn...
Enzyme Inhibitors An enzyme's activity can be reduced or stopped, temporarily, by a reversible inhibitor There are?two types?of reversible inhibitors: Competitive?inhibitors have a?similar s...
Rate: Substrate Concentration The?greater?the?substrate concentration, the?higher?the?rate of reaction: As the number of substrate molecules increases, the likelihood of enzyme-substrate com...
