Higher level biology Samenvattingen, Aantekeningen en Examens

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...

WGU C190 Intro to Biology (2022/2023) Rated A+ Abiotic Non-living, may be within or made by a living organism. Biotic Living. Matter is considered ______ if it was ever alive at some point in time Atom Smallest level. The basic unit of matter. Consists of a dense nucleus surrounded by electrons. Molecule Second level. A chemical structure consisting of at least two atoms held together by a chemical bond. Macromolecule Third level. Biologically important molecules that are technically polymer...

AQA A-Level Biology - Topic 3 (2022/2023) with Verified Answers Smaller organisms have a ........... surface area to volume ratio Higher How do single called organisms exchange substances? Diffuse directly into or out of the cell across the cell surface membrane Give 2 reasons why in multicellular organisms, diffusion across outer membrane would be too slow? 1. Some cells deep within body- big distance between them and outside 2. Larger animals have low surface area to volume ratio- diffi...

AQA A-Level Biology - Topic 3 Questions and Answers 100% Solved Smaller organisms have a ........... surface area to volume ratio Higher How do single called organisms exchange substances? Diffuse directly into or out of the cell across the cell surface membrane Give 2 reasons why in multicellular organisms, diffusion across outer membrane would be too slow? 1. Some cells deep within body- big distance between them and outside 2. Larger animals have low surface area to volume ratio- dif...

LEAP 2025 Biology Practice Test Questions with Verified Answers Which claim is supported by the information in Graph 1 and Graph 2? The number of eggs and the mass of the eggs produced by sockeye slamon depend on the amoun of matter stored by the female Develop a model that can be used to explain the stages of growth and development that result in a salmon fry. 1. Sperm fertilizes egg 2. Genetic material is evenly divided 3. Embryo changes from two to four cells 4. Cell differentiat...

ADVANCED PLACEMENT (AP) BIOLOGY: Ecology 143 Questions Correctly Answered | 100% Rated Question 1 What is the term for a relationship between two organisms of different species in which one benefits while the other neither benefits, nor is harmed? Possible Answers: Commensalism Cohabitation Parasitism Symbiosis Mutualism Correct answer: Commensalism Question 2 Of the following types of organism, which can directly obtain energy from any of the other types of organisms in...

AQA Biology A-Level Paper 2 Exam Questions & Answers (Graded A+) AQA Biology A-Level Paper 2 Exam Questions & Answers (Graded A+) describe and explain the steps in the light dependent reaction of photosynthesis - ANSWER - 1. photoionisation: light reaches chlorophyll in PSII, which is absorbed by an electron, which becomes excited and moves to a higher energy level. 2. the electron passes to a carrier protein in the thylakoid membrane, and is passed down a series of carrier molecules call...

Biology AQA A level common questions latest 2023 with complete solutions give two factors other than age and gender that would affect the concentration of creatinine in the blood ? muscle/ body mass ethnicity Explain how the cells of the collecting duct are able to absorb water from the filtrate through the protein channels in their plasma membranes? lower w.p/ more negative inside tubule cells so h2o enters by osmosis Suggest why diabetes insipidus is more common in males ? Bc males onl...

2 key overarching goals of course correct answer: -to become familiar with information on topics from the meaning of sex and gender to the relative impact of bio, behavioral, psych, and sociocultural factors on particular health problems -to facilitate independent critical thinking about such topics, including finding and interpreting data and developing new gender-sensitive health promotion strategies biological essentialism correct answer: -biology is destiny; we are who we are b/c of ou...

Micro-Biology The study micro organisms (nature, life and action) Bacteria Size 1 or 2 microns Flagella Enables movement (Whip like tails) Protoplasm All materials floating in a cell capsule Cell Membrane a thin semi-permeable membrane that surrounds the cell's cytoplasm, enclosing its contents Cocci Round shape bacteria. Occurs in pairs, chains, or clusters. (exp. Staphylococcus) Bacillus Rod shape. Small stick like rods or large brick like rods...