Biology Chapter 2: The Chemical Basis Of Life

centromere – holds together identical sister chromatids
a) the beetles would become spotted –
6.3.1 Define pathogen – A pathogen is a disease-causing micro-organism, virus or prion
Isotonic Conditions – are produced when water passes through the cell membrane by osmosis from an area of higher concentration to an area of lower concentration, to equalize water concentration.
Risk Factors of CVD – High Blood Pressue, Obesity, Blood Cholestrol (dietary factors), Smoking, Genetic inheritance,
acid – A substance with a pH below 7
sensory transduction – The conversion of a stimulus signal to an electrical signal by a sensory receptor.
Chloroplasts – the photosynthesizing organelles of all photosynthetic eukaryotes
solution – a liquid that is a homogenous mixture of two or more substances
Yellow skin
Organelle – membrane-bound sac or compartment in the cytoplasm having one or more specialized jobs
Mitosis – First stage of cell division
survivorship curves – Graph of the proportion of a cohort still alive at each age.
Steroid – a type of lipid consisting of a backbone of 4 carbon rings
Yellоw skin
Name the site of function and the nutrient they digest: Sucrase – Small intestine, Starch
stimulus – A physical or chemical change in the internal or external environment
Species – A group of similar organisms that can breed and produce fertile offspring
What does SA/V refer to? – ratio of surface area to volume of a cell
The total cell mass – Although the haploid organism has 5X the number of cells as the pentaploid organism, what does not differ between the organisms?

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