January 24, 2018

Chapter 3

Water molecules have a polarity, which allows them to be electrically attracted to other water molecules and other polar molecules by weak chemical bonds know as …? hydrogen bonds Each water molecule is joined to […]
January 22, 2018

Biology chapter 3 Water

Which type of bond must be broken for water to vaporize? Hydrogen Any substance that increases the H+ concentration of a solution Acid Any substance that reduces the H+ concentration of a solution Base Many […]
January 17, 2018

Biology-Chapter 2

INCORRECT about Acid Rain? Its effects have been more devastating to the Southeast than the Northeast property of water NOT attributable to hydrogen bonding between water molecules Polarity First shell in any atom contains one […]
January 15, 2018

Biology I: Chapter 6: Meiosis and Mendel — Lesson 4: Traits, Genes, and Alleles

locus Each gene has a __, a specific position on a pair of homologous chromosomes. allele An __ is any of the alternative forms of of a gene that may occur at a specific locus […]
January 14, 2018

Human Biology Chapter 1

The scientific study of life is called: A. biology B. ecology C. anatomy D. biochemistry E. limnology A A complex individual that consists of organ systems is known as a/an A. community. B. population. C. […]
January 14, 2018

Biology 6.4 study guide

Genes code for proteins What is the relationship between a gene and a protein? Different form of a gene What is an allele? Homozygous, heterozygous What term describes a pair of alleles that are the […]
January 12, 2018

DNA lab notes and worksheet Q&A’s

why is DNA so important in biology? DNA holds our genetic information what is the function of DNA? to pass on its instructions to their offspring for reproduction what is one reason why humans and […]
January 10, 2018

Gen Biology

The smallest unit of matter that still retains the properties of an element is: Atom poThe charges on a proton, a neutron and an electron are: positve/neurtral/negative Atoms with a negative charge are called: Anions […]
January 9, 2018

Psychology Health & Managing Stress Test

Post-traumatic stress disorder is most likely to occur after which of the following? A) prolonged compulsive behavior B) failure in school C) nightmares D) rape D) rape Psychological health can be defined as the presence […]
January 9, 2018

Fiber

Fiber a class of materials that are continuous filaments or are in discrete elongated pieces, similar to lengths of thread -important in the biology of both plants and animals, for holding tissues together. -Can be […]
January 8, 2018

IB Biology Paper 2 Review

Emergent Properties of H2O -Cohesion -Moderation of Temperature -Insulation of Large Bodies of Water -The Solvent of Life Cohesion due to hydrogen bonds that hold water molecules together -water moves up a tall tree from […]
January 8, 2018

IB Biology SL 2017: Experiments Paper 3

Respirometry The living specimen is enclosed in a sealed container Carbon dioxide production can be measured with a data logger or by pH changes if the specimen is immersed in water When an alkali is […]
January 8, 2018

Biology unit 3

Austrian Monk named gregor mendel Whose early work is the basis for much of our current understanding of genetics? Mendel chose pea plants for his experiments because they reproduce quickly, and he could easily control […]
January 7, 2018

Practice questions for Environmental Science

Of the following people, which is most likely to agree with the statement that an entire ecosystem has inherent value? Aldo Leopold ________ gives inherent value to certain living things or to the biotic (living) […]
January 7, 2018

Exam #1 MKTG

Rather than being just a random activity, good marketing requires _____ in determining appropriate actions to produce sound decisions. A) Corporate governance B) thoughtful planning C) short-term goals D) profit orientation E) win-lose attitude B) […]
January 5, 2018

General Biology ch. 2

The nucleus of an atom is composed of two subatomic particles, _________________ and _______________. Protons; Neutrons Atoms that bear a positive or negative charge are known as: Ions The _________ of atoms determine how atoms […]
January 5, 2018

Biology Exam 1

The partial negative charge at one end of a water molecule is attracted to the partial positive charge of another water molecule. What is this attraction called? a hydrogen bond Many of water’s emergent properties, […]
January 5, 2018

Biology 1

have a suitable control group In any experiment, one must be certain to was fed the same ration without the food additive A biologist wants to test the effectiveness of a new food additive on […]
January 5, 2018

Chapter 3 water and life biology

four , hydrogen Each water molecule is joined to _____ other water molecules by ____ bonds polar The unequal sharing of electrons within a water molecule makes the water molecule _____. electronegativity The tendency of […]
January 5, 2018

Principles of Biology-Exam 2- chapters 3-5

What are the four characteristics of water that are emergent properties resulting from hydrogen bonding 1.Cohesion and Adhesion 2. ability to moderate temperature (high heat capacity) 3. Expansion upon freezing 4. The solvent of life […]
January 5, 2018

Biology 9.4

What types of cells do multicellular organisms have? somatic cells, sex cells body cells somatic cells all the cells of the body except the ones in the sex organs that will divide to produce gametes […]
January 5, 2018

BIO301L Homework Questions

What is the meaning of the statement “correlation does not imply causation”? A. Just because two variables vary in a similar pattern does not mean that changing one variable causes a change in the other. […]
January 4, 2018

Biology 1101: Quiz 3

Body weight represents a balance between the energy carried within the molecular bonds of consumed food and: the energy burned in the process of living. The first law of thermodynamics states that energy is constant; […]
January 4, 2018

Ch 5 Microbiology: A Survey of Eukaryotic Cells and Microorganisim

Symbiosis a close association between two organism organelles a small component of eukaryotic cells that is bounded by a membrane and specialized in function endosymbiosis theory that proposes eukaryotic cells arose when a much larger […]
January 4, 2018

Chapters 1-5

Franz Boas is dressed to explore the Arctic. This illustrates humans’ ability to deal with their environment through material culture What are the steps of the scientific method in their proper order? Identify a problem; […]