Aqa biology a level topic - Study guides, Class notes & Summaries

AQA A Level Biology Topic 3 Exam || Questions & Answers (Graded A+) AQA A Level Biology Topic 3 Exam || Questions & Answers (Graded A+) The hydrostatic pressure falls from the arteriole end of the capillary to the venule end of the capillary. Explain why - ANSWER - Loss of water High blood pressure leads to an accumulation of tissue fluid. Explain how [3] - ANSWER - High blood pressure = high hydrostatic pressure; Increase outward pressure from (arterial) end of capillary; (So) more tis...

AQA A level Biology topic 7 Latest 2023 Graded A+ What is a dominant allele? Allele which is always expressed in the phenotype even when theres only one copy of it What are recessive alleles? Alleges that only appear in the phenotype if 2 copies are present What are codominant alleles? Alleles that are both expressed in the phenotype because neither one is recessive If an organism carries two copies of the same allele it said to be ........ Homozygous at the locus If an organism carries...

AQA A - LEVEL BIOLOGY PAPER 2 TOPIC 5 - 8 EXAM GUIDE QNS & ANS MAY 2024AQA A - LEVEL BIOLOGY PAPER 2 TOPIC 5 - 8 EXAM GUIDE QNS & ANS MAY 2024AQA A - LEVEL BIOLOGY PAPER 2 TOPIC 5 - 8 EXAM GUIDE QNS & ANS MAY 2024

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AQA A level Biology - Topic 6 - survival and response questions with verified answers rated A+ What Are receptors? Correct Answer-Detect stimuli- can be cells or proteins on cell surface membrane , loads of different types What are effectors? Correct Answer-Cells that bring about a response to a stimulus to provide an effect ( muscle cells, glands) Receptors communicate with effectors via the Correct Answer-Nervous or hormonal system or both What is a stimulus? C...

AQA A level Biology topic 7 Latest 2024/25 Questions and Answers 100% Solved What is a dominant allele? Allele which is always expressed in the phenotype even when theres only one copy of it What are recessive alleles? Alleges that only appear in the phenotype if 2 copies are present What are codominant alleles? Alleles that are both expressed in the phenotype because neither one is recessive If an organism carries two copies of the same allele it said to be ........ Homozygous at the...

AQA A-level Biology Topic 4 Questions and Answers Latest (2023 / 2024) (Verified Answers)

AQA A-Level Biology Topic 1 Biological Molecules Questions and Answers Latest (2023 / 2024) (Verified Answers)

AQA A-Level Biology Topic 1: Biological Molecules May 2024 Exam Questions and Answers