Bio 400 Vocab Exam Questions and
Answers 100% PASS
Organisms - CORRECT ANSWER-living things
Self-Organization - CORRECT ANSWER-Grow and develop on their own
self-regulate - CORRECT ANSWER-Control own internal conditions and
activities
Evolve - CORRECT ANSWER-Adapt over generations to changing environments
Hierarchical Organization - CORRECT ANSWER-consists of nested systems
Systems - CORRECT ANSWER-Interacting parts
Cells - CORRECT ANSWER-Smallest unit that can have all properties of life
Genetic system - CORRECT ANSWER-information for structure and function is
inherited as DNA molecules in each cell
gene expression - CORRECT ANSWER-When DNA directs the synthesis of
RNA and proteins
,Metabolic systems - CORRECT ANSWER-chemical reactions that transform
energy and matter to build and maintain life
Enzymes - CORRECT ANSWER-Proteins that catalyze specific chemical
reactions
Catalyze - CORRECT ANSWER-to speed up
Feedback Regulation - CORRECT ANSWER-the output or product of a process
regulates the process itself
negative feedback - CORRECT ANSWER-Self limiting
positive feedback - CORRECT ANSWER-Self reinforcing
Divergence - CORRECT ANSWER-Different changes of lineages leads to new
species
Paramecium - CORRECT ANSWER-Type of single cell organism that uses cilia to
swim
Hydrophilic - CORRECT ANSWER-Water soluble substances
Hydrophobic - CORRECT ANSWER-Non water soluble
Dissociation of water - CORRECT ANSWER-The transfer of a H+ ion (proton)
from 1 H2O to another
hydronium ion - CORRECT ANSWER-H3O+
hydroxide ion - CORRECT ANSWER-OH-
© 2026 Copyright. All Rights Reserved. This document is
protected by copyright law
, The pH scale - CORRECT ANSWER-Measures hydronium concentration on a
scale of 0-14
Logarithmic - CORRECT ANSWER-Change of 1 point means 10X change in
hydronium concentration
Acids - CORRECT ANSWER-Raises hydronium concentration when dissolved is
water
Bases - CORRECT ANSWER-Lowers hydronuim concentration when dissolved
in water
Ocean Acidification - CORRECT ANSWER-Carbon Dioxide absorbtion by water
lowers its pH
Organic chemistry - CORRECT ANSWER-Study of carbon compounds
Tetrahedron - CORRECT ANSWER-Pyramid
Planar - CORRECT ANSWER-Flat shape
Functional groups - CORRECT ANSWER-Atoms that give organic compunds
unique properties
Non covalent interactions - CORRECT ANSWER-H-bond, ionic, LDF
Binding - CORRECT ANSWER-Molecules sticking together by non covalent
interactions
Methyl group - CORRECT ANSWER--CH3
Answers 100% PASS
Organisms - CORRECT ANSWER-living things
Self-Organization - CORRECT ANSWER-Grow and develop on their own
self-regulate - CORRECT ANSWER-Control own internal conditions and
activities
Evolve - CORRECT ANSWER-Adapt over generations to changing environments
Hierarchical Organization - CORRECT ANSWER-consists of nested systems
Systems - CORRECT ANSWER-Interacting parts
Cells - CORRECT ANSWER-Smallest unit that can have all properties of life
Genetic system - CORRECT ANSWER-information for structure and function is
inherited as DNA molecules in each cell
gene expression - CORRECT ANSWER-When DNA directs the synthesis of
RNA and proteins
,Metabolic systems - CORRECT ANSWER-chemical reactions that transform
energy and matter to build and maintain life
Enzymes - CORRECT ANSWER-Proteins that catalyze specific chemical
reactions
Catalyze - CORRECT ANSWER-to speed up
Feedback Regulation - CORRECT ANSWER-the output or product of a process
regulates the process itself
negative feedback - CORRECT ANSWER-Self limiting
positive feedback - CORRECT ANSWER-Self reinforcing
Divergence - CORRECT ANSWER-Different changes of lineages leads to new
species
Paramecium - CORRECT ANSWER-Type of single cell organism that uses cilia to
swim
Hydrophilic - CORRECT ANSWER-Water soluble substances
Hydrophobic - CORRECT ANSWER-Non water soluble
Dissociation of water - CORRECT ANSWER-The transfer of a H+ ion (proton)
from 1 H2O to another
hydronium ion - CORRECT ANSWER-H3O+
hydroxide ion - CORRECT ANSWER-OH-
© 2026 Copyright. All Rights Reserved. This document is
protected by copyright law
, The pH scale - CORRECT ANSWER-Measures hydronium concentration on a
scale of 0-14
Logarithmic - CORRECT ANSWER-Change of 1 point means 10X change in
hydronium concentration
Acids - CORRECT ANSWER-Raises hydronium concentration when dissolved is
water
Bases - CORRECT ANSWER-Lowers hydronuim concentration when dissolved
in water
Ocean Acidification - CORRECT ANSWER-Carbon Dioxide absorbtion by water
lowers its pH
Organic chemistry - CORRECT ANSWER-Study of carbon compounds
Tetrahedron - CORRECT ANSWER-Pyramid
Planar - CORRECT ANSWER-Flat shape
Functional groups - CORRECT ANSWER-Atoms that give organic compunds
unique properties
Non covalent interactions - CORRECT ANSWER-H-bond, ionic, LDF
Binding - CORRECT ANSWER-Molecules sticking together by non covalent
interactions
Methyl group - CORRECT ANSWER--CH3
