Holt Mcdougal Biology Chapters 4 Vocab

Starch – The storage carbohydrate found in plants – it is made up of two molecules, amylose and amylopectin.
abscission layer – layer found at the base of each petiole in a deciduous tree that begin to block the xylem and phloem when the days begin to get shorter, killing themselves and the leaf and causing the leaf to fall off
receptors – Special structures that allow living organisms to sense the conditions of their internal or external environment.
What term describes a substance that is made when two or more different atoms bond together? – Covalent substance
systems biology – An approach to studying biology that aims to model the dynamic behavior of whole biological systems.
What does 1 glycerol and 3 fatty acids together make – Lipid
telomeres – The repetitive DNA at each end of a eukaryotic chromosome.
Structure 1 on the diagram refers to?
cellular respiration – A complex set of chemical reactions involving an energy transformation where potential chemical energy in the bonds of "food"molecules is released and partially captured in the bonds of adenosine triphosphate (ATP)molecules.
fermentation – The process by which cells release energy in the absence of oxygen; can last 1-3 minutes.
chromosome – DNA coiled around and supported by proteins, found in the nucleus of the cell
condensation reaction (dehydration reaction) – A reaction in which two molecules become covalently bonded to each other through the loss of a small molecule, usually water, in which case it is also called a dehydration reaction.
Proton – a stable particle with positive charge equal to the negative charge of an electron
culture – A system of information transfer through influential social learning or teaching.
Niche – Role or position a species has in its environment; includes all biotic and abiotic interactions as an animal meets its needs for survival and reproduction.
Structure 1 оn the diаgrаm refers tо?
Muscularis – This GI layer is composed
of a circular and a
longitudinal layer of muscle
mass – the quantity of matter an object has
anabolism – The sum total of all processes in an organism, which use energy and simple chemical building blocks to produce large chemicals and structures necessary for life.
Abiotic – Nonliving. Refers to factors in an ecosystem such as temperature, light intensity, soil conditions, moisture, etc.
HEMOPHILIA IS A SEX-LINKED TRAIT CARRIED ON THE X CHROMOSOME. IN AN EXAMPLE OF A MALE WITH HEMOPHILIA AND A FEMALE CARRIER, WHAT RATIO OF OFFSPRING IS PREDICATED TO HAVE THE DISEASE? 17 – 1 female : 0 Male

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