Biology Section 22: Biomolecules

The route of blood in systemic circulations – lungs
left ventricle
aortic semilunar valve
aorta
whole body
What is the xylem used for? – Transpiration – moving water and minerals from the roots to the shoot and leaves.
Pathogen – Organism which can cause disease in another organism
diffusion – molecules tend to move from an area where they are more concentrated to an area where they are less concentrated
gametes – a mature haploid male or female germ cell that is able to unite with another of the opposite sex in sexual reproduction to form a zygote. sex cell
What is a false negative result? – Where the result says the disorder isn't there, but it actually is.
Benedict's reagent – name of reagent used to test for simple sugars (monosaccharides)
A 3-year old child is admitted to the hospital with severe diarrhea, and dehydration.  Which of the following is most likely the cause?
Catalyst – A substance that alters the speed of a chemical reaction but is not used up in the process
Reaction of photosynthesis that uses carbon dioxide to produce high-energy sugar in the chlorophyll – Glycolysis
DNA polymerase – an enzyme that binds nucleotides together to form a DNA molecule by following the procedure of base pairing
gene therapy – The intentional insertion, alteration, or deletion of genes within an individual's cells and tissues for the purpose of treating a disease.
Gene – a segment of DNA that codes for a protein (produces a trait)
Enzyme – A protein that acts as a catalyst
ecology – Scientific study of interactions among organisms and between organisms and their environment
A 3-yeаr оld child is аdmitted tо the hоspitаl with severe diarrhea, and dehydration.  Which of the following is most likely the cause?
cell cycle – the repeating cycle of events in the life of a cell; composed of interphase, mitosis, and cytokinesis
pia mater – The thin lower layer of the meninges that lines the surface of the brain and spinal cord.
Plasma membrane – controls the movement of materials into and out of the cell

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