Biology 1 (A) Complete Package

What is a surface area to volume ratio? How is it calculated? - AnsA way of describing how close the internal section of an object is to its surface Surface area of object / volume of object How do we calculate the surface area to volume ratio of a 10cm cube? - AnsSide length: 10cm Volume: 10...

state what is meant by community (in ecological terms) - Ansall the organisms that live in a habitat state what is meant by population (in ecological terms) - Ansall of the members of a single species that live within a geographical area state what is meant by habitat (in ecological terms) - Ans...

1. What features of a cell favour efficient removal of waste products? Surface area: Volume: A. high high B. high low C. low high D. low low - AnsB. high low 2. What is formed from glucose during anaerobic cell respiration? A. Lactate and ATP in cytoplasm B. Carbon dioxide and water in mito...

What are the characteristics of living things? - AnsMove, respire, sensitivity, grow, respire, excrete, nutrition, control Describe eukaryotic cells Example - AnsComplex large cell Contain Nucleus Any mammal/insect cell Describe prokaryotic cells Example - AnsSmall simple cell No nucleus F...

Bonding in unsaturated lipids - Anshave double bonds between C atoms and between C and O atoms. method of amniocentesis and how it's used to detect CF. - Ans1) amniotic fluid removed (from the amniotic sac of the mother) / eq. 2) {fetal/embryonic} cells present in amniotic fluid /{fetal / embry...

Describe one way in which a polypeptide could be modified - AnsCut and combine polypeptide chains explain why cells need to carry out DNA Replication - Ans so that an exact copy of the DNA is passed onto daughter cells After a stem cell differentiates, only certain genes are expressed. Explain...

What is respiration? The release of energy from glucose What are eukaryotes? Eukaryotes are organisms that have a membrane-bound nucleus and organelles inside their cells. They can be unicellular (only one cell) or multicellular (more than one cell). Practical: Investigating the effect of exerc...