Rea Practice Test 1 Flashcards
Cold blooded animals with bony skeletons, webbed feet, and separate sexes
Amphibia
Cold blooded animals with horny scales and bony skeleton that lay eggs
Reptilia
Cartilaginous fish
Chondrichthyes
Warm blooded animals mostly with wings that lay eggs
Aves
Animals with a hairy body and highly developed brain that have live births (in most cases) and produce milk
Mammalia
What is the communication channel between the cytoplasm and nucleoplasm
Nuclear pore
What are the extensions that provide an extra surface area for absorption
Microvilli
What contains digestive enzymes
Microvilli
Packets that carry substances (hormones, fats, etc) synthesized within the cell
Secretory vesicle
Network of membranes that deliver lipids and proteins throughout the cytoplasm
Smooth endoplasmic reticulum
What are examples are atoms that are held together with network covalent attraction
SiC
Examples of atoms held together with covalent attraction
HC2H3O2
Examples of atoms held together with metallic attraction
Cu
Bryophytes
Nonvascular plants
Flowering plants
Angiosperms
Shoots and roots
Angiosperms
Produce seeds without flowers
Gymnosperms
Conifers and cycads
Gymnosperms
If an athlete with a sore shoulder places a warm compress on it to transfer energy to soothe the muscle - what type of heat transfer is this
Conduction
On a cold February morning, a blow dryer system in a car warms up after several minutes and blows air through vents in the floor, dashboard, and windshield. Eventually the diver is able to unbutton his coat and stay warm when the outside temperature is still 23F. What is the type of heat transfer?
Convection
Getting ready for a fall cruise inspires a young lady to spend a couple weeks going to a local spa and reclining under a tanning lamp. However such practices might result in dangerous over exposure to ultraviolet rays that can lead to cancer or premature aging of the skin. What type of transfer is this?
Radiation
Substances that are strong oxidizing agents
KMnO4
The metal in this substance has an oxidation number of +2
MgO
The oxidation potential if this substance is 0
H2
Exponential population growth curve; population accelerates
J curve
Birth rate minus death rate
Population rate of growth
Death rate is aka
Mortality
Birth rate is aka
Natality
Logistic population growth curve; population growth accelerates and then slows down because of limits
S curve
The evolution of plant species is considered to have begun with
Aerobic prokaryotic cells
What type of wave is a sound wave
Compression
Salinity is a measure of dissolved solids in water. On average, 1,000 g of typical sea water contains 35g of salt. The level of salinity is below average in areas where large amounts of fresh water enter the ocean and above average in hot arid climates. The Mediterranean and the Red seas are adjacent to deserts. The water in these two areas would be expected to have what type salinity?
Above average salinity
Law of inertia , what would offer the greatest resistance to a change in motion? Golf ball, watermelon, feather, paper?
Watermelon
The site of transfer for nutrients water and waster between a mammalian mother and embryo is the ___
Placenta
The process of genetic inheritance was first investigated and explained by ___
Gregor Mendel
The first cells to evolve in Earth were most likely NOT
Specialized
Which of the following best represents the sequence of human evolution?
Australopithecus afarensis, Homo erectus, Cro Magnon, Modern Man
What is pi bonding and demonstrate
C2H2
The sun crosses the celestial equato going north on March 21 this is known as the
Spring equinox
Cells of eukaryotes have all the following
Membranes organelles, DNA organized into chromosomes, nucleus, and ribosomes
A small non protein molecule such as iron that works with enzymes to promote catalysis is known as
An inorganic cofactor
What will inhibit enzymatic reactions
Temperature, pH level, particular chemical agents , and lack of substrate
The conversion of light energy into chemical energy is accomplished by
Photosynthesis
The increase in the statistical disorder of a physical system
Entropy
Energy flows through the food chain from
Producers to consumers to decomposers
If the moon completely conveys the sun as seen by an earthbound observe there is a
Total solar eclipse
The projection of the Earths axis on the sky is the
Celestial poles
The process that releases energy for use by the cell is known as
Cellular respiration
What is the sequence leading to human evolution
Coacervates, eukaryotes, plants, fish, amphibians, mammals, primates, man
Why are water molecules attracted to each other
Polarity; partial positive charge near hydrogen atoms and partial negative charge near oxygen atoms
The voltage across the terminal of a circuit containing a resistor is 12V and it contained a resistor connected to the circuit which reads 8 ohms. What is the amperage if the service
1.5 A
The percentage of Earths surface water
70%
Traits produced by the expression of more than one set of genes are known as
Polygenic traits
The major driving force of the evolution of species is known as
Natural selection
Which of the following items found on a bicycle is NOT a simple machine
Horn
What is the heat of fusion
The Chang of state from liquid to solid or solid to liquid involves a phases where temp remains constant
What crystal has, on average, one atom per cubic unit cell
Simple cubic crystals only
Which is part of the alimentary canal
Esophagus
The physical place where a particular organism lives
Habitat
Why is nickel attracted into a magnetic field but solid zinc chloride is not
There are unpaired outer electrons in nickel
The specific heat of water is 4.2J/g C. What mass of water will be heated by 10 C by 840j
20g
A light year represents the
Total distance that an object travels in space at the speed of light in one year
The half life of C 14 is 5730 years. A piece of cypress is measure to have 3/4 of the carbon to be C12 and 1/4 C14 . How many years old is this piece of wood likely to be?
11,460
Igneous rock forms are commonly called
Granite
Major structural regions of roots
Meristematic region, elongation region, root cal, and maturation region
What is true about electrons
Electrons have less mass than protons and neutrons
What is the energy generating mechanism of the state including the sun
Fusion
When measuring the flow of heat in a system, a natural process that started at one equilibrium state and flowing into another will go in what direction for an irreversible process which is impacted by the entropy of the system plus the environment
Increase
What is the resistance if an electric can opener if it takes a current of 10 A when plugged into a 120 V service
12 ohms
Photosynthesis would not proceed without which of the following that allow moisture and gasses to pass in and out of the leaf
Stomata
In ferns the individual we generally recognize as an adult fern is really which structure
A mature sporophyte
What state of matter does not have a definite shape or volume
Gas and plasma
A person who exercises vigorously begins to self eat and breathe rapidly . These reactions are involuntary responses known as
Homeostatic mechanisms
Define : forebrain, Cerebrum, hypothalamus, cerebellum, midbrain
Forebrain- controls olfactory lobes (smell)
Cerebrum - controls sensory and motor response, memory, speech, and intelligence factors.
Hypothalamus - controls hunger and thirst
Cerebellum - controls balance and muscle coordination
Midbrain- contains optic love and controls sight
Fog is
A collection of minute water droplets
Land and sea breezes form because
Of a variety of factors involving temperature, pressure, and geographical components
Why can An electric shock can restart a hear that has stopped beating
Cardio muscle or the heart responds to the electric shock
What organs does a hamburger pass through
Mouth , esophagus, stomach, and small intestine
NOT Salivary glands
Each ecosystem can support a certain number of organisms- a number usually designated by the letter K and known as
Carrying capacity
Which if the following parts of an atom is a subatomic particle
A quark, boson, neutrino, and positron
NOT electron
The function of the gallbladder and pancreas is to aid digestion by producing digestive enzymes and secreting them into the
Small intestine
Many insects have special respirator organs known as
Spiracles
Most of earths photosynthesis takes place in which of the following biomes
Oceans
What is a replacement reaction - what does it look like
AB+C->AC+B
The study of interactions of organisms with their living space is known as
Ecology
What is the name of a distinct group of individuals that are able to mate and produce viable offspring
A species
Einstein a theory of relativity
As energy increases, mass increases, and the speed of light is constant
What is and autotroph and provide and example
Autotroph- produce their own food
An asparagus fern
The michelson Morley experiment in 1887 proved that the speed of light is
Is the same in all directions
What are the fundamental geological principles
Original horizontality
Lateral continuity
Fossil succession
Uniformitarianism
NOT supererogation
Astronomers observing the redshift of light from a far away start means that the star is
Moving away from us
The three most recent geological era
Cenozoic, Mesozoic, Paleozoic
A form of symbiosis in which one species is benefited while the other is harmed is called
Parasitism
An axis is
A connecting line between the poles
In order of magnitude how many galaxies are there in the universe
Billions
An astronaut it is traveling in a spacecraft that is slowing down. To the astronaut inside the spacecraft the apparent force inside the craft is directed
Forward
Define prokaryotic
single-celled organism that lacks a nucleus and other membrane-bound organelles
An imaginary object that centers in and surrounds earth by which background stars are projected is called—-
Stellar ball
Why is the destruction of the ozone layer a serious concern
It will increase the amount of UV radiation reaching the ground
Mountain and valley breezes form because of
Gravity and heating
Gravity pulls the cooler denser air down the hillsides into the valleys. Low pressure near the top of the mountain forces breeze up from the valley
As you go down the periodic table and to the left, which traits increase
Atomic radius
Only the size of the atom increase
Newtons law of motion, the greater the mass of an object the greater force is necessary change its
State of motion
The top or peak of a sine wave is called the
Crest
the bottom is the trough, the amplitude represents the height of the wave, the period is the waves cycle length and the frequency is the number of cycles per second
A wave does not carry alone the medium through which it travels , thus it follows that
Molecules of water in the ocean are pushed to shore by waves
Graph for a sample of gas remaining at a constant temp
Y- volume
X- pressure
High volume low pressure to low volume high pressure at exponential decrease
Graph for an object at constant speed
Linear positive graph
Graph for a constant unbalanced forces acts on an object
Straight horizontal line
What occurs in the mitochondria?
Citric acid cycle
What is the site of protein synthesis in a cell?
Ribosome
What is not genetically inherited ?
Tuberculosis
Which disease can be controlled by dietary regulations?
Type 2 diabetes
Result of photosynthesis, energy is stored in molecules as?
C6H12O6 glucose
A person whose gallbladder has been removed has a decreased ability to store bike and therefore to digest ?
Fats
The classification characteristics that define the genus of an animal or a plant are usually more general than those defining
A species
Hard water is undesirable and is often softened because hard water
Forms insoluble precipitates when boiled or when used with soap
Which adaptation is more likely to be found in the leaves of desert plants than those of plants that grow in moist regions?
A thickened epidermis and cuticle
If all xylem from a section of tree trunk could be removed, which if the following would happen first?
The leaves would be unable to get sufficient water
Whereas the ultimate source of energy for most organisms is sunlight the immediate source is
Chemical
