Ib biology exam review - Study guides, Class notes & Summaries

Outline the cell theory. - correct answer Living organisms are composed of cells. Cells are the smallest unit of life. Cells come from pre-existing cells. Discuss the evidence for the cell theory. - correct answer The nature of scientific theories could be introduced here: the accumulation of evidence that allows a hypothesis to become a theory; whether a theory should be abandoned when there is evidence that it does not offer a full explanation; and what evidence is needed for a theory...

IB Biology Review Exam Topic 2: Molecular Biology Actual Exam Questions Answered Correctly LATEST

IB Biology – PEAT Final Exam Review |100% Correct| Alternative to peat-based compost *Ans*Coir Categories of Peat *Ans*Fibric, Hemic, Saphric How long can carbon stay in the ground after being absorbed by a peat bog? *Ans*Thousands of years How much carbon dioxide do damaged peat bogs release into the atmosphere annually? *Ans*2 billion tonnes of carbon dioxide Paris Agreement *Ans*establishment of protocols dealing with greenhouse gas emissions by the United Nations P...

Enzyme - AnsGlobular proteins that act as catalysts of chemical reactions Active Site - AnsRegion on the surface of an enzyme to which substrates bind and which catalyzes a chemical reaction involving substrates Enzyme-substrate specificity - AnsThe active sites of enzymes are specific to their substrates because it has a very specific shape, which means enzymes can catalyze only certain reactions as only a small number of substrates fit in the active site Effect of temperature on enzym...

Outline the cell theory. - correct answer Living organisms are composed of cells. Cells are the smallest unit of life. Cells come from pre-existing cells. Discuss the evidence for the cell theory. - correct answer The nature of scientific theories could be introduced here: the accumulation of evidence that allows a hypothesis to become a theory; whether a theory should be abandoned when there is evidence that it does not offer a full explanation; and what evidence is needed for a theory...

What causes movement of water through the xylem? - ANSWERSB. evaporation of water from leaves When a farmer sprays a chemical on to the leaves of crop plants, how does the chemical travel to the roots of the plants? - ANSWERSA. in the phloem, by active transportation What is the apoplastic route for water from the soil to the endodermis of roots? - ANSWERScell wall of epidermis - cell walls of cortex- endoderm Which of the following help(s) in supporting a terrestrial woody plant? - ANS...

IB Biology HL Exam Review 2024 with 100% correct answers Outline the cell theory. - CORRECT ANSWER - Living organisms are composed of cells. Cells are the smallest unit of life. Cells come from pre-existing cells. Discuss the evidence for the cell theory. - CORRECT ANSWER - The nature of scientific theories could be introduced here: the accumulation of evidence that allows a hypothesis to become a theory; whether a theory should be abandoned when there is evidence that it does not ...

IB Biology Final Exam Review questions with correct answers

Outline the cell theory. - ANSWERLiving organisms are composed of cells. Cells are the smallest unit of life. Cells come from pre-existing cells. Discuss the evidence for the cell theory. - ANSWERThe nature of scientific theories could be introduced here: the accumulation of evidence that allows a hypothesis to become a theory; whether a theory should be abandoned when there is evidence that it does not offer a full explanation; and what evidence is needed for a theory to be adopted or reje...