n. transposon
(a) the energy needed to start a chemical reaction
(b) the loss of water from plants through the stomata
(c) gas used by plants in photosynthesis and made in respiration
(d) part of the DNA capable of replicating itself
n. absorption spectrum
(a) electromagnetic spectrum
(b) a metal showing few properties of the transition metals
(c) microbe that causes decay
(d) a plant that has two cotyledons (seed leaves)
n. mammary gland
(a) the jawbone
(b) microscope which can magnify an object over 250; 000 times so that you can see the fine details of cells
(c) a space that contains no air or gases
(d) gland producing milk in women
n. optic nerve
(a) the cellular layer that forms around an embryo that protects and nourishes it
(b) the nerve that carries messages from the eye to the brain
(c) origin of an axon of a nerve cell at which an action potential can be initiated
(d) the kidney, bladder and urinary tracts
n. elasticity
(a) smallest, commonest atom made of one proton and electron; chemical element with the symbol H that makes up most organic compounds
(b) the last part of the large intestine from the sigmoid colon to the anal canal
(c) bleeding from the nose
(d) the ability to return to its original shape after a force is applied |
|
n. haloalkane
(a) medical condition of long sightedness
(b) compound formed by replacing one or more hydrogen atoms in alkanes with halogen atoms
(c) isomer that has identical covalent arrangements but are different with regard to the arrangement of their groups in space
(d) fleshy part of the face on either side of the nose
n. oxygen
(a) the monthly bleeding that occurs cyclically in a women during the reproductive years; menses
(b) the study of life
(c) a small swelling of tissue
(d) chemical element with the symbol O that is needed for respiration
n. atom
(a) molar concentration of a solution; number of moles of solute per liter of solution
(b) control characteristics of the plant
(c) inflammation or infection of the liver
(d) smallest unit of a chemical element which holds the properties of that element
n. jaundice
(a) yellow color of the skin due to high levels of bilirubin in the blood
(b) either one of a pair of chemical components whose molecular structures have a mirror-image relationship to each other
(c) liquid in the inner ear
(d) joint between the humerus above the radius and the ulna
n. base
(a) gases such as carbon dioxide and methane that absorb infrared radiation which warms the atmosphere
(b) substance that contains hydroxyl ions when dissolved in water
(c) contraction of the pupil in the eye
(d) any reaction occurring between atoms or compounds can be written with the reactants on the left and the products on the right separated by arrows showing the direction of the reaction |
