Biology 1010 Final Exam Study Guide

question

The correct sequence for levels of biological organization within an organism are
answer

atom molecule organelle cell tissue
question

Organisms that obtain energy by eating nutrients that make up other organisms are called
answer

heterotrophs
question

The four kingdoms included in the domain Eukarya are
answer

protista, fungi, plantae, and animalia
question

In an experimental procedure what is actually being measured by the investigator is the
answer

dependent variable
question

Decomposers are
answer

bacteria, fungi, and organisms that obtain energy from wastes or dead organisms
question

The individual who wrote \”On the Origin of Species by Means of Natural Selection\” was
answer

Charles Darwin
question

Humans belong to the class
answer

mammalia
question

All of the following are true statements
answer

nitric oxide consists of one atom of nitrogen and one atom of oxygen; nitric oxide is a gas; nitric oxide passes freely into and out of cells; nitric oxide is a harmful substance found in smog and acid rain
question

The mass number of an atom is defined as
answer

the total number of protons and neutrons of an atom
question

If a covalent bond is polar
answer

one of the atoms has a partial negative charge
question

An acid
answer

is a chemical that adds hydrogen ions to a solution
question

A substance having a pH of 8 would best be described as
answer

a weak base
question

A process by which cells break polymers down into smaller units is
answer

hydrolysis
question

The primary building block (monomer) of nucleic acids is
answer

a nucleotide
question

A micrometer is
answer

.000001 of a meter
question

The cell wall of bacteria
answer

helps prevent the cell from bursting; protects the cell; contains peptidoglycan; and gives the bacterium a distinctive shape
question

The most prominent organelle in most eukaryotic cells is the
answer

nucleus
question

The following are cellular digestion centers
answer

lysosomes and peroxisomes
question

The recycling centers for the cell are
answer

the Central vacuole and lysosome
question

A Ribosome is
answer

a structure found in prokaryotic cells, plant cells and animal cells
question

An example (examples) of potential energy is (are)
answer

chemical bonds; concentration gradient across a membrane
question

Sucrose is
answer

disaccharide consisting of the monosaccharides: fructose and glucose
question

Oxidation means
answer

the loss of electrons from a molecule
question

An active site is
answer

a location on an enzyme and the key to the specificity of an enzymatic reaction
question

Scurvy is caused by a deficiency of
answer

vitamin C
question

The diffusion of water across a selectively permeable (biological) membrane is
answer

osmosis
question

Active transport is different from simple diffusion in that active transport
answer

requires energy, moves molecules against a concentration gradient, requires proteins embedded within the cell membrane, and moves molecules from an area of lower concentration to an area of higher concentration
question

Examples of organisms whose lives depend on photosynthesis are
answer

an oak tree, coral , the sea slug Elysia chlorotica, and Humans
question

The main byproduct of photosynthesis, which is released into the environment is
answer

oxygen
question

Organisms that consume preexisting organism molecules are called
answer

Heterotrophs
question

If ozone layers in the atmosphere are depleted
answer

more ultraviolet wavelengths will reach the earth’s surface causing more cases of skin cancer
question

Examples of accessory pigments for photosynthesis are
answer

Chlorophyll b and carotenoids
question

Photosystem 1 produces
answer

NADPH
question

Most biologist would agree that the most important metabolic pathway of living organisms is
answer

photosynthesis
question

During glycolysis molecules of glucose are
answer

broken down to form two molecules of pyruvate, and produces a net gain of two molecules of ATP
question

The electron transport system occurs in the
answer

Mitochondria
question

These are the most common in Microorganisms
answer

anaerobic respiration and fermentation
question

During glycolysis to \”activate\” glucose
answer

two molecules of ATP are required
question

The compound that actually begins the Kreb’s cycle is
answer

ATP
question

The electron transport chain produces
answer

a proton gradient
question

The molecule that controls the synthesis of proteins and copies itself for the next generation of cells is
answer

DNA
question

The DNA nitrogen bases that are purines are
answer

Adenine and guanine
question

The number chromosomes found in humans is
answer

Forty-six/Twenty-three pairs
question

The enzyme that builds a short complementary piece of RNA at the start of each DNA segment to be replicated is
answer

Primase
question

A discrete package of DNA and associated proteins in eukaryotes is a
answer

Chromosome
question

A cell with two full sets of chromosomes would be termed a
answer

diploid cell
question

Meiosis is a process used for
answer

production of gametes
question

2n is an abbreviation for
answer

diploid
question

The human chromosomes that do not determine whether an individual is male or female are
answer

Autosomes
question

If a person wanted to raise mules, this person would need to mate
answer

A male donkey with a female horse
question

A gamete having more than one complete set of chromosomes
answer

is \”polyploid\” and cannot be produced by meiosis
question

Recombinant chromosomes have a mic of paternal and maternal alleles due to
answer

crossing over
question

Nondisjunction may cause
answer

Trisomy 21, Turner Syndrome, Jacobs Syndrome, Klinefelter syndrome
question

Down Syndrome
answer

is cause by trisomy 21; results in heart defects in affected individuals; results in mental impairment; has an increased risk of occurring that is associated with the age of the mother
question

The DNA nitrogen bases that are pyrimidines
answer

Thymine and cytosine
question

Building block of nucleic acids
answer

Nucleotide
question

Pyrimidines are
answer

single ring
question

Purines are
answer

double ring
question

Ribose or a sulfur group would not be found in
answer

DNA
question

The genome is
answer

all the Genetic material

Get instant access to
all materials

Become a Member