interphase – the time interval between cellular reproduction
atom – smallest particle of an element with physical and chemical properties of the element
Biosphere – The area on and around Earth where life exists
interneuron – A nerve cell, entirely within the central nervous system, that integrates sensory signals and may relay command signals to motor neurons.
Phagocytosis – A type of endocytosis in which a cell engulfs large particles or whole cells
Angina – A condition caused by the narrowing of coronary ateries, which means that teh heart does not recieve enough oxygen and so has to respire anaerobically. This is thought to trigger pain.
glyoxysomes – Specialized peroxisomes that break down stored fats to provide energy for a developing plant embryo.
Ecology – The study of how living things interact with other living things and the physical conditions of their environment.
Nitrogen – An element that makes up about 78% of the atmosphere. A key component of proteins and nucleic acids. Producers get it in the form of nitrates or ammonia from the soil or water in which they live. Consumers get it from producers.
condensation reaction – a chemical reaction in which two or more molecules combine to produce water or another simple molecule
A surge of LH in the middle of a woman’s monthly cycle results in:
Name the site of function and the nutrient they digest: Pepsin – Stomach, Protein
organ system – Groups of specialized parts that carry out a certain function in the organism.
Liter* – basic metric unit of volume for liquids
Technological fix – One of the possible ways to solve an environmental problem that involves using new machines, chemicals, processes, treatments, etc. An alternative to behavioral changes to solve such problems that some people promote.
A surge оf LH in the middle оf а wоmаn’s monthly cycle results in:
Nervous tissue – A body tissue that carries electrical messages back and forth between the brain and every other part of the body. Composed of specialized tissues called neurons.
biology – science of life; examines how living things interact, how systems function, and how they function at a molecular level.
bunsen burner – (camp stove) used for heating
antigen presentation – The process by which an MHC molecule binds to a fragment of an intracellular protein antigen and carries it to the cell surface, where it is displayed and can be recognized by a T cell.
What is the function of the ductus arteriosus? – The ductus arteriosus shunts blood directly from pulmonary artery into the aorta.