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In eukaryotes, oxidative phosphorylation takes place in what?
A. lipids
B. mitochondria
C. glucose
D. nucleus
Answer: | B |
Short chains of two amino acids (dipeptides) or three amino acids (tripeptides) are also transported actively. however, after they enter the absorptive epithelial cells, they are broken down into their amino acids before leaving the cell and entering the capillary blood via what?
A. absorption
B. diffusion
C. osmosis
D... | B |
What do fungi use to penetrate deep into decaying matter?
A. flagella
B. cytoplasm
C. hyphae
D. cilia
Answer: | C |
All living cells in multicellular organisms contain an internal cytoplasmic compartment, and a nucleus within the cytoplasm. cytosol, the jelly-like substance within the cell, provides the fluid medium necessary for this?
A. meiosis
B. cell division
C. apoptosis
D. biochemical reactions
Answer: | D |
Under appropriate conditions, the attractions between all molecules in what state will cause them to form liquids or solids?
A. liquid
B. plasma
C. soild
D. gas
Answer: | D |
What else besides temperature has an effect on the phase of a substance?
A. weight
B. resistance
C. pressure
D. energy
Answer: | C |
What type of charge does a neutron have?
A. neutral or no charge
B. positive charge
C. half charge
D. negative charge
Answer: | A |
Animals that molt their exoskeletons belong to which clade?
A. trichina
B. ecdysozoa
C. protists
D. spirogyra
Answer: | B |
Alkaline earth metals are what color?
A. white
B. black
C. silvery grey
D. reddish orange
Answer: | C |
What type of movement is caused by erosion from direct gravity?
A. mass movement
B. frictional movement
C. electron movement
D. normal movement
Answer: | A |
What term is used describe energy released during an earthquake?
A. magnitude
B. seismic load
C. blast
D. resonance
Answer: | A |
What are the rolling motions during an earthquake called?
A. seismic thrusts
B. tidal waves
C. surface waves
D. velocity waves
Answer: | C |
What is the process that breaks down rocks into smaller pieces?
A. weathering
B. bleaching
C. erosion
D. bracing
Answer: | A |
What is the measurement for the amount of water vapor in the air?
A. saturation
B. ambient
C. humidity
D. haze
Answer: | C |
Major exchange pools of carbon include organisms and what else?
A. duration
B. the atmosphere
C. location
D. the intensity
Answer: | B |
When light is absorbed by a material, what may increase?
A. mass
B. happiness
C. weight
D. its temperature
Answer: | D |
What branch of physical science looks at how heat, work, and various forms of energy are related to one another?
A. frigidity
B. transformations
C. photosynthesis
D. thermodynamics
Answer: | D |
Connective tissues typically have three characteristic components in common: cells, large amounts of amorphous ground substance, and what else?
A. protein fibers
B. antioxidants
C. hormones
D. white blood cells
Answer: | A |
After what stage do the last 2 stages of food processing occur?
A. excretion
B. circulation
C. filtration
D. digestion
Answer: | D |
What part of the plant holds the plant upright?
A. the stem
B. roots
C. notochord
D. leaves
Answer: | A |
What is a circuit that consists of one loop called?
A. series circuit
B. speaking circuit
C. episode circuit
D. dramatic circuit
Answer: | A |
Leaves respond to these environmental stimuli by producing less what?
A. energy
B. chlorophyll
C. carbonate
D. oxygen
Answer: | B |
Mammals that lay eggs are called what?
A. herbivores
B. monotremes
C. marsupial
D. viviparous
Answer: | B |
In what ocean is the mid-atlantic ridge located?
A. pacific ocean
B. indian ocean
C. atlantic ocean
D. arctic ocean
Answer: | C |
Models may be physical, conceptual, or what else?
A. mathematical
B. theoretical
C. fundamental
D. experimental
Answer: | A |
What is an organism that spreads bacteria or other pathogens?
A. arc
B. vector
C. plane
D. section
Answer: | B |
What influences the types of plants and animals that inhabit a specific biome?
A. carbon
B. cooling
C. climate
D. Water
Answer: | C |
In the vast majority of ectopic pregnancies, the embryo does not complete its journey to what organ, and instead implants in the uterine tube?
A. uterus
B. vagina
C. stomach
D. ovaries
Answer: | A |
In a single-celled organism such as chlamydomonas, there is no what after fertilization?
A. germination
B. spawning
C. meiosis
D. mitosis
Answer: | D |
Timber, medicines, dyes, oils, and rubber are just some of the useful products humans derive from what?
A. plants
B. fossils
C. roots
D. flowers
Answer: | A |
Differences between organisms reflect differences between their nucleotide sequences rather than between their what?
A. genetic codes
B. molecular codes
C. environments
D. amino acids
Answer: | A |
Lying with their mouths open, a behavior called gaping, probably serves what function for crocodiles?
A. cooling down
B. sleeping
C. digesting
D. eating
Answer: | A |
What type of living things break down dead organisms and recycle their nutrients into the soil?
A. producers
B. consumers
C. decomposers
D. probiotics
Answer: | C |
When food enters the stomach after a period of fasting, a drop in what initiates the conversion of pepsinogen to pepsin?
A. calcium
B. ph
C. acid
D. white blood cells
Answer: | B |
Mutations that lead to cancer usually occur in genes that control the cell cycle. these include tumor-suppressor genes and what?
A. apparition - oncogenes
B. extinction - oncogenes
C. Darkness Oncogenes
D. proto-oncogenes
Answer: | D |
What type of environment is maintained in homeostasis?
A. noisy internal
B. fluid internal
C. stable external
D. constant internal
Answer: | D |
When calculating impulse, consider the change in _______ of one of the objects in the collision?
A. sound
B. momentum
C. potential energy
D. velocity
Answer: | B |
What word describes any chemical that affects the body’s structure or function?
A. treatment
B. toxin
C. drug
D. gift
Answer: | C |
The entry of acidic chyme into the duodenum stimulates the release of what?
A. secretin
B. gastrin
C. progesterone
D. oxygen
Answer: | A |
Adulthood is divided into how many stages?
A. five
B. four
C. three
D. two
Answer: | C |
What is the single bone that forms the posterior skull and posterior base of the cranial cavity?
A. occipital bone
B. maxilla
C. radiating bone
D. limbic bone
Answer: | A |
Is the progeny produced by asexual reproduction stronger or weaker than seedlings produced by sexual reproduction?
A. the same
B. stronger
C. lighter
D. weaker
Answer: | B |
Supersaturated solutions of most solids in water are prepared by cooling what?
A. mineral solutions
B. plasma solutions
C. dense solutions
D. saturated solutions
Answer: | D |
Bacterial stis usually can be cured with what?
A. antibiotics
B. antiviral drugs
C. pesticides
D. antioxidants
Answer: | A |
Intensity is defined to be the power per unit area carried by a what?
A. filament
B. wave
C. shift
D. wire
Answer: | B |
Trophic level 4 = tertiary consumers that eat what kind of consumers?
A. herbivores
B. secondary consumers
C. insects
D. primary consumers
Answer: | B |
What takes the shape of the container they are placed in and have a definite volume?
A. solids
B. loads
C. gases
D. liquids
Answer: | D |
What is produced when a colorless solution of lead nitrate is added to a colorless solution of potassium iodide?
A. blue solid precipitate
B. brown solid precipitate
C. yellow solid precipitate
D. purple solid precipitate
Answer: | C |
Due to the difference in the distribution of charge, water is what type of molecule?
A. polar
B. ionic
C. uneven
D. crooked
Answer: | A |
What do we call the major artery carrying recently oxygenated blood away from the heart?
A. capillary
B. muscular artery
C. aorta
D. arteriole
Answer: | C |
In a model of a hemoglobin molecule, the purple part indicates the presence of what element?
A. silver
B. helium
C. gold
D. iron
Answer: | D |
What kind of gland produces an oily substance that waterproofs the hair and skin?
A. nail gland
B. secretion gland
C. sebaceous gland
D. mucous gland
Answer: | C |
Which type of substance is considered a proton donor in a reaction?
A. acid
B. base
C. carbon
D. oxygen
Answer: | A |
What are materials that are good conductors of thermal energy called?
A. thermal conductors
B. atmospheric conductors
C. geospatial conductors
D. reflective conductors
Answer: | A |
Why do players with more mass often have a larger impact in football?
A. Velocity is larger
B. momentum is larger
C. kinetic energy is lower
D. potential energy is lower
Answer: | B |
Corals build hard exoskeletons that grow to become what?
A. stability reefs
B. coral reefs
C. algae
D. fungi
Answer: | B |
What property is the result of force acting on a given area?
A. pressure
B. resistance
C. pull
D. vaccuum
Answer: | A |
Nervous tissue consists of just two basic types of nerve cells: neurons and?
A. mammalian cells
B. white blood cells
C. glial cells
D. red blood cells
Answer: | C |
The plasma membrane of a skeletal muscle fiber is called the what?
A. sarcolemma
B. sheath
C. soleus
D. annulata
Answer: | A |
What is the force pulling an object downward called?
A. weight
B. density
C. momentum
D. magnetism
Answer: | A |
Which part of all mammals have the same basic bone structure?
A. forelimbs
B. necks
C. knees
D. ankles
Answer: | A |
The symbol for each what is usually the first letter or two of its name?
A. property
B. material
C. element
D. state
Answer: | C |
The only things that affect the period of a simple pendulum are its length and the acceleration due to gravity. the period is completely independent of other factors, such as this?
A. size
B. mass
C. speed
D. rate
Answer: | B |
What is the amide bond that occurs between the amino nitrogen of one amino acid and the carboxyl carbon of another amino acid?
A. a peptide bond
B. a amino bond
C. a magnetite bond
D. a covalent bond
Answer: | A |
What encloses the border of animal cells?
A. cells membrane
B. Jacket membrane
C. plasma membrane
D. dust membrane
Answer: | C |
Heterotrophic organisms use organic compounds, usually from other organisms, as a source of what basic element of life?
A. monoxide
B. oxygen
C. hydrogen
D. carbon
Answer: | D |
Electrons always result in what?
A. A HYPER-PIGMENTATION THAT IS LARGER THAN THE PARENT ATOM
B. an anion that is larger than the parent atom
C. an dissociative that is larger than the parent atom
D. an contraposition that is larger than the parent atom
Answer: | B |
The diffusion of water across a membrane because of a difference in concentration is called?
A. absorption
B. diffusion
C. hemostasis
D. osmosis
Answer: | D |
Bioluminescence is an example of what type of activity that is carried out by a cell and is precisely coordinated and controlled?
A. metabolic
B. reproduction
C. respiration
D. growth
Answer: | A |
What reflex is commonly tested in newborn infants to establish the presence of neuromuscular function?
A. phalanges
B. glandular
C. plantar
D. renal
Answer: | C |
All of the monatomic ions have oxidation numbers equal to their?
A. charges
B. atomic weight
C. shape
D. atomic number
Answer: | A |
Unlike plants, animal species rely almost exclusively on what type of reproduction?
A. sexual reproduction
B. multiplication
C. regeneration
D. pollination
Answer: | A |
Give an example of benthos that live near vents on the deep ocean floor.
A. tubeworms
B. arthropods
C. amphipods
D. crustaceans
Answer: | A |
What is the distinctive shape of the molecule that contains genetic information?
A. cylindrical
B. spiral
C. conical
D. cube
Answer: | B |
What is a bread mold and research organism that also grows in the wild on burned vegetation
A. nemophora
B. neurospora
C. whey
D. penicillin
Answer: | B |
How do most echinoderms reproduce?
A. flowering
B. asexually
C. sexually
D. grafting
Answer: | C |
What do all cells have in common?
A. life span
B. same function
C. small size
D. same shape
Answer: | C |
What do electric motors use to change electrical energy into kinetic?
A. generators
B. electromagnets
C. fans
D. resonances
Answer: | B |
What are prokaryotic cells filled with?
A. protein
B. cytoplasm
C. chlorophyll
D. rna
Answer: | B |
What is the name of plant-like protists?
A. algae
B. bacteria
C. arthropod
D. sponge
Answer: | A |
A sticky, moist secretion that covers mucous membranes is called what?
A. saliva
B. pus
C. mucus
D. sweat
Answer: | C |
What system lets flatworms maintain a proper balance of water and salts?
A. excretory
B. digestive
C. nervous
D. homeostasis
Answer: | A |
What gas associated with global warming is released when limestone is heated during the production of cement?
A. carbon monoxide
B. oxygen
C. carbon dioxide
D. hydrogen
Answer: | C |
Because their embryos are surrounded by a thin membrane, reptiles are considered what?
A. amniotes
B. carnivorous
C. vertebrates
D. lineages
Answer: | A |
What type of energy is clean and does not release greenhouse gases?
A. coal
B. natural gas
C. geothermal energy
D. lithosphere energy
Answer: | C |
Physical and chemical properties of geometric isomers are generally what?
A. difficult
B. round
C. different
D. similar
Answer: | C |
What type of cell has a singular chromosome, no nucleus, and few other organelles?
A. graphic
B. trophic
C. prokaryotic
D. monophyletic
Answer: | C |
Protists, fungi, animals, and plants all consist of what kind of cells?
A. enzymes
B. xylem
C. parenchyma
D. eukaryotic
Answer: | D |
What does magma that cools underground form?
A. anomalies
B. plates
C. cracks
D. intrusions
Answer: | D |
What is used to report the results of scientific measurements?
A. bi units
B. latin units
C. si units
D. los units
Answer: | C |
What is the first digestive organ that food enters?
A. esophagus
B. mouth
C. stomach
D. tongue
Answer: | B |
Insulin is made up of how many polypeptide chains?
A. four
B. two
C. three
D. twelve
Answer: | B |
What is the term for the energy of movement?
A. potential energy
B. molecular energy
C. mechanical energy
D. intrinsic energy
Answer: | C |
What type of organisms are helpless at birth and require lots of help from their parents?
A. multicellular organisms
B. precocial organisms
C. Microorganisms
D. altricial organisms
Answer: | D |
Metallic bonds allow metals to do what, in the manner of a willow tree?
A. break easily
B. bend without breaking
C. grow
D. stand tall
Answer: | B |
What is a substance that can not be broken down any further into other substances?
A. pure molecule
B. pure substance
C. pure material
D. unbreakable substance
Answer: | B |
What three characteristics do waves have?
A. structure , refraction and deflection
B. reflection, refraction and deflection
C. theory , refraction and deflection
D. spin, refraction, and deflection
Answer: | B |
What organ creates bile?
A. liver
B. heart
C. pancreas
D. kidney
Answer: | A |
What is the smallest and most fundamental unit of matter, consisting of a nucleus surrounded by electrons?
A. molecule
B. proton
C. neutron
D. atom
Answer: | D |
Mutation of beneficial proto-oncogenes is a prime culprit in what disease?
A. obesity
B. cancer
C. heart disease
D. diabetes
Answer: | B |
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