Graticule slide - Study guides, Class notes & Summaries

Graticule slide - Answer marked with grid line, useful for counting or estimating a quantity Preparing acid solutions - Answer Always add acid to 2/3 water, then add rest of water # of Animal species - Answer over 1 million species and about 30 divisions # of insects - Answer 800,000 species, half of animal kingdom Characteristics of animal kingdom - Answer muliticellular, heterotrophic, reproduce sexually, do not have cell walls or chloroplasts, can move at some stage of life, can rapidly ...

Graticule slide - Answer-marked with grid line, useful for counting or estimating a quantity Preparing acid solutions - Answer-Always add acid to 2/3 water, then add rest of water # of Animal species - Answer-over 1 million species and about 30 divisions # of insects - Answer-800,000 species, half of animal kingdom Characteristics of animal kingdom - Answer-muliticellular, heterotrophic, reproduce sexually, do not have cell walls or chloroplasts, can move at some stage of life, can r...

MTTC integrated science 094 Life Sciences and General Knowledge correct 100% volumetric flask - ANSWER used to accurately prepare solutions of various concentrations often used in titrations erlenmeyer flask - ANSWER can be used for mixing, transporting, and reacting, but are not appropriate for accurate measurements repippette - ANSWER hand operated pump that dispenses solutions beakers - ANSWER can be used to measure mass or dissolve a solvent into a soulte graduated cylinder...

volumetric flask - ANSWER used to accurately prepare solutions of various concentrations often used in titrations erlenmeyer flask - ANSWER can be used for mixing, transporting, and reacting, but are not appropriate for accurate measurements repippette - ANSWER hand operated pump that dispenses solutions beakers - ANSWER can be used to measure mass or dissolve a solvent into a soulte graduated cylinder - ANSWER used for precise measurements and are more accurate than erlenmeyer fl...

Mttc Integrated Science Secondary Final Exam Test Graticule slide - CORRECT ANSWER-marked with grid line, useful for counting or estimating a quantity Preparing acid solutions - CORRECT ANSWER-Always add acid to 2/3 water, then add rest of water # of Animal species - CORRECT ANSWER-over 1 million species and about 30 divisions # of insects - CORRECT ANSWER-800,000 species, half of animal kingdom Characteristics of animal kingdom - CORRECT ANSWER-muliticellular, heterotrophic, repr...

How do you investigate the effect of sucrose concentration on the growth of pollen tubes? - Answer 1. Make up solutions of sucrose between 0.2-2 moldm-3 2. Collect a petri dish for each sucrose concentration and place a moistened filter paper on each 3. Collect one microscope slide per concentration 4. Place a few drops of sucrose plus mineral salt medium in the dip of each slide 5. Gently rub the point of a mounted needle over the mature anthers of a flower so the pollen falls on the slid...

2023 AQA AS BIOLOGY 7401/2 Paper 2 Question Paper & Mark scheme (Merged) June 2023 [VERIFIED] What is a light microscope used for?ANSWERObserving living and dead specimins What are the pros and cons of a light microscope?ANSWERPros: Cheap, portable, easy to use, can study living specimens. Cons: Limited magnification, poor resolution. What is a laser scanning confocal microscope used for?ANSWERCreating a high resolution, high contrast image, at different depths of the specimen. ...

Graticule slide - marked with grid line, useful for counting or estimating a quantity Preparing acid solutions - Always add acid to 2/3 water, then add rest of water # of Animal species - over 1 million species and about 30 divisions # of insects - 800,000 species, half of animal kingdom Characteristics of animal kingdom - muliticellular, heterotrophic, reproduce sexually, do not have cell walls or chloroplasts, can move at some stage of life, can rapidly respond to environment due to sp...

MTTC Integrated Science (Secondary) Exam Questions With Verified Answers @ 2024...

core practical questions biology b Exam Questions With Complete Solutions What are the four factors that affect enzyme activity? - ANSWER- 1. Enzyme concentration 2. Substrate concentration 3. Temperature 4. pH How is a control set up in a practical measuring enzyme activity? - ANSWER- Replace the enzyme solution with distilled water or boiled enzyme solution. How can a colorimeter determine the rate of reaction of trypsin and milk? - ANSWER- As trypsin digests the proteins in milk,...