1201 - Study guides, Class notes & Summaries

transport proteins - are responsible for controlling passage across the membrane fluid mosaic model - The membrane is a mosaic of protein molecules bobbing in a fluid bilayer of phospholipids fatty acid tails - nonpolar, hydrophobic fatty acid heads - hydrophilic, polar periphial proteins - bound to the surface of the membrane integral proteins - penetrate the hydrophobic core (ones that span the membrane are transmembrane protiens How do cells recognize each other? - by binding to molec...

AQA AS BUSINESS 7131/2 Paper 2 Business 2 Version: 1.0 Final *jun* IB/G/Jun23/E8 7131/2 For Examiner’s Use Question Mark 1 2 3 4 5 6 7 8 TOTAL Friday 26 May 2023 Afternoon Time allowed: 1 hour 30 minutes Materials For this paper you must have: • the Insert (enclosed) • a calculator. Instructions • Use black ink or black ball-point pen. • Fill in the boxes at the top of this page. • Answer all questions. • You must answer the questions in the spaces provi...

the units of heredity and are made up of segments of DNA - Answer-genes how many chromosomes do humans have in the nucleus of their somatic cells? - Answer-46 chromosomes (23 pairs) the two chromosomes in each pair are called... - Answer-homologous chromosomes/homologs each pair of homologous chromosomes includes... - Answer-one chromosome from each parent what does meiosis result in - Answer-4 haploid daughter cells what does meiosis 1 do - Answer-separates homologous chromosomes when do...

A weight reduction regimen calls for a daily intake of 1400 kcalories, which includes 30g of fat. Approximately what percentage of the total energy is contributed by fat? - correct answer 19.0% what is the AMDR for carbohydrate? - correct answer 45-65% what is the AMDR for protein? - correct answer 10-35% the amount of nutrient that meets the needs of about 98% of a population is known as the _________. - correct answer recommended dietary allowance what is the AMDR for fat? ...

5 reasons why we eat what we eat CORRECT ANSWER-Personal preference, habit, ethnic heritage or tradition, social interactions, availability/convenience/ economy Functional foods CORRECT ANSWER-foods that have a potentially beneficial effect on health when consumed as part of a varied diet on a regular basis at effective levels phytochemicals CORRECT ANSWER-non nutrient compounds found in plants. some phytochemical have biological activity in the body. energy CORRECT ANSWER-the capacity ...

AQA AS PSYCHOLOGY 7181/2 Paper 2 Psychology in context Question Paper + Mark scheme [MERGED] June 2022 *JUN* IB/G/Jun22/E8 7181/2 For Examiner’s Use Section Mark A B C TOTAL Time allowed: 1 hour 30 minutes Materials For this paper you may use: • a calculator. Instructions • Use black ink or black ball-point pen. • Fill in the boxes at the top of this page. • Answer all questions. • You must answer the questions in the spaces provided. Do not write outside the...

why are membranes called phospholipid bilayers? - Answer-phospholipids have hydrophilic head and hydrophobic tail, hydrophobic face inside of cell making 2 layers what is meant by fluid mosaic? - Answer-Mosaic of proteins drifting laterally in fluid bilayer of phospholipids how are membranes adjusted for different temperatures? - Answer-membrane fluidity adjusted by changing the ratio of unsaturated to saturated fatty acids how do the relative amounts of saturated and unsaturated fats chan...

Nutrition CORRECT ANSWER-the scientific study of food and how it nourishes the body and influences health Goals of Healthy People 2020 CORRECT ANSWER-Attain high-quality lives free of preventable diseases, achieve health equity, create social and physical environment that promote good health, and promote quality of life. Dietary Reference Intakes (DRI) CORRECT ANSWER-a set of nutritional references values for the United States and Canada that applies to healthy people Recommended Dietar...