Connect Homework practice (chapter 1 and 2)

select all of the following that are characteristics of a scientific theory. - a tentative hunch or guess - narrow in scope - encompass multiple hypotheses - can be used to make predictions - supported by a large body of evidence - falsifiable

- encompass multiple hypotheses - can be used to make predictions - supported by a large body of evidence - falsifiable

What domain is characterized as having unicellular and multicellular organisms whose cells contain a nucleus? A. Bacteria B. Eukarya C. Archaea

B. Eukarya

because it generates a new combination of traits, what type of reproduction can be a very successful strategy in environments where conditions change frequently? A. homeostatic regulation B. sexual reproduction C. asexual reproduction D. fragmentation

B. sexual reproduction

interactions between multiple polypeptide subunits creates the ______________ structure of proteins A. Primary B. Secondary C. Tertiary D. Quaternary

D. Quaternary

what is the basic unit of classification and is denoted by a unique two part specific name? A. class B. family C. phylum D. species

D. species

The tendency of water molecules to form hydrogen bonds with other polar molecules is called ________________.

adhesion

A protein is a chain of monomers called _________ acids.

amino

Select all of the following that are domain names in the taxonomic hierarchy of life: - bacteria - archaea - animalia - eukarya - plantae

bacteria, archaea, eukarya

What are the four most abundant bulk elements in a living organism?

carbon, oxygen, hydrogen, nitrogen (COHN)

All of the populations that live in the same area is called a _________________.

community

an area of forest, including the organisms that occupy it and the nonliving components of its area , is an example of a(n) A. community B. population C. habitat D. ecosystem

ecosystem

___________________ is the ability to do work and move matter

energy

In a ________________ bond, opposite partial charges on adjacent molecules—or within a single large molecule—attract each other. The name comes from the fact that the atom with the partial positive charge is always hydrogen. The atom with the partial negative charge, on the other hand, is a highly electronegative atom such as oxygen or nitrogen.

hydrogen

A(n) _____________ is a living individual that consists of one or more cells

organism

a special type of bond called a ____________ bond is formed between 2 amino acids through dehydration synthesis.

peptide

chemicals called solutes are dissolved in a liquid called the ________________ to make the solution

solvents

How do you figure the mass number of an atom if a elements atomic number is 8 and has a mass number of 16?

total number of protons and neutrons