BIO 210 Chapter 1-2 Study Guide With Explanations Of Answers.
8 views 0 purchase
Course
BIO 210
Institution
BIO 210
Anything that takes up space is considered to be - correct answer Matter
Nerve impulses involve the flow of an electrical current, a type of energy know as _________ enegry - correct answer Electrical
...
Anything that takes up space is considered to be - correct answer Matter
Nerve impulses involve the flow of an electrical current, a type of energy know as _________ enegry -
correct answer Electrical
Atoms that have lost or gained electrons are known as - correct answer Ions
The most abundant element in the human body is - correct answer Oxygen
The atomic number of an atom is equal to the number of _______ an atom contains - correct answer
protons
Compounds that contain carbon-hydrogen bonding are collectively termed________ compounds -
correct answer Organic
Polar molecules like water result when electrons are shared ______ - correct answer
unequally between atoms
An atom's outermost shell is known as its ________ shell. - correct answer
valence
an acid is a molecule that releases (donates) ______ - correct answer protons
(hydrogen ions)
Proteins are synthesized from ________ during synthesis reactions. - correct answer
amino acids
,Glycogen and starch are examples of a specific category of carbohydrates called ________ - correct
answer polysaccharides
A solution with a pH of 11.7is _________ times more basic (alkaline) than a solution with a pH of 8.7 -
correct answer 1000
Unsaturated fatty acid chains contain one or more _____ bonds between carbon atoms - correct answer
double
Enzymes are examples of _________ proteins - correct answer globular
(functional)
The complementary base to adenine in a molecule of DNA is _____ - correct answer
Thymine
A nucleotide of DNA contain three components: - correct answer deoxyribose,
phosphate group, nitrogen-containing base
Elements are composed of building blocks known as - correct answer atoms
The movement of ions across plasma membranes is an example of - correct answer
electrical energy
Water is classified as a/an _______ compound - correct answer inorganic
An atom has lost two electrons. It is known as a/an - correct answer Cation
Increased temperature leads to _______ - correct answer An increase in the
rate of a chemical reaction
Atomic mass is equivalent to the number of _____ in an atom - correct answer
protons and neutrons
, The major function of potassium is to - correct answer play a role in nerve
impulse transmissions and muscle contractions
Iodine is needed to make what? - correct answer Functional thyroid hormones
An atom with an atomic number of 14 will have __________ electrons in its valence shell. - correct
answer 4
An atom with 6 protons, 7 neutrons, and 6 electrons shares four pairs of electrons with four other
atoms. This atom is now considered to be: - correct answer stable
An atom has 6 protons, 8 neutrons, and 6 electrons. Its atomic mass is: - correct answer
14
Atomic number of an atom reveals the number of _____ - correct answer
protons in the atomic nucleus
Isotopes have different numbers of __________; thus they also have different __________. - correct
answer neutrons; atomic masses
A molecule of methane, CH4, is known specifically as a(n) ________. - correct answer
compound
The subatomic particles that are responsible for the chemical behavior of atoms are the_____ - correct
answer Electrons
What type of bond results when electrons are completely transferred from one atom to another -
correct answer ionic bond
The growth of cells and repair of worn-out tissues is accomplished by _____ - correct answer
synthesis reactions
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through EFT, credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying this summary from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller RealGrades. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy this summary for R260,71. You're not tied to anything after your purchase.
