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Attention Avengers 3

Question: Wavelength and frequency are defined in the same way for electromagnetic waves as they are for which other waves? Options: A. gravitational B. sonar C. light D. mechanical Answer:

D

Question: Regulation of endocrine depends on the hypothalmus and what other gland? Options: A. pituitary B. adrenal C. thyroid D. salivary Answer:

A

Question: What is light with wavelengths shorter than visible light called? Options: A. weathering light B. radio waves C. ultraviolet light D. infrared light Answer:

C

Question: What type of change is undergone when the physical properties of a substance are changed? Options: A. atmospheric B. thermal C. genetic D. physical Answer:

D

Question: What is the only substance on earth that is present in all three states of matter? Options: A. water B. air C. mercury D. carbon Answer:

A

Question: The appendicular skeleton is made up of all bones of the upper and lower what? Options: A. limbs B. digestive tract C. organs D. hemispheres Answer:

A

Question: What causes cells to divide if cytokinins are added to it? Options: A. auxin B. apoptosis C. osmosis D. hyptoxin Answer:

A

Question: Dna segments cross over to form what kind of chromosome? Options: A. recombinant B. mutated C. autosome D. resistant Answer:

A

Question: What is the term for a natural situation which arises to physically divide organisms? Options: A. extinction B. reproduction C. assimilation D. vicariance Answer:

D

Question: Which temperatures cause particles of reactants to have more energy? Options: A. lower B. reducing C. non-existant D. higher Answer:

D

Question: How do cancer cells typically spread from one part of the body to another? Options: A. kidneys B. bloodstream C. liver D. plasma Answer:

B

Question: What are the two layers of the skin? Options: A. sebaceous and salivary B. epithelial and endometrial C. dermis and epithelial D. epidermis and dermis Answer:

D

Question: What is the purpose of bright colors on a flower's petals? Options: A. to attract pollinators B. to distract predators C. to absorb light D. to attract a mate Answer:

A

Question: The two smallest carboxylic acids are formic acid and what else? Options: A. acetic acid B. carbonates acid C. ethylene acid D. ascorbic acid Answer:

A

Question: Exothermic reactions, like all chemical reactions, require what to get started? Options: A. specific energy B. membrane energy C. surface energy D. activation energy Answer:

D

Question: Ancient greeks mistook what simple sedentary animals for plants? Options: A. parasites B. sponges C. fungi D. corals Answer:

B

Question: The use of mercury-based dental amalgam has gone under question in recent years because of concerns regarding what? Options: A. the oxygen B. the expense C. the variability D. the toxicity Answer:

D

Question: Which viruses are being studied for cancer treatments? Options: A. oncolytic viruses B. endophytic viruses C. astringent viruses D. osteophobic viruses Answer:

A

Question: What do all chemical sections need to get started? Options: A. work B. speed C. pressure D. energy Answer:

D

Question: What type of young do scorpions produce? Options: A. live B. identical C. twins D. guppies Answer:

A

Question: Some soil water can flow through easily. what kind of soil is this? Options: A. Stationary B. dense C. porous D. permeable Answer:

D

Question: Where do birds store and moisten food that is waiting to be digested? Options: A. gullet B. crop C. tree D. nest Answer:

B

Question: Ion pumps, the biological machines responsible for the selective transport of metal ions, are complex assemblies of what? Options: A. minerals B. cells C. proteins D. acids Answer:

C

Question: What is responsible for many properties of covalent compounds, which have relatively low boiling points, cannot conduct electricity, and may not dissolve in water? Options: A. ionic charge B. covalent bonds C. atomic weight D. accretion bonds Answer:

B

Question: The top 200 meters of water is called what zone? Options: A. the stratosphere B. the subterranean zone C. the biotic zone D. the photic zone Answer:

D

Question: The recombination frequency is the percentage of recombinant flies in the total pool of what? Options: A. species B. immigrants C. offspring D. samples Answer:

C

Question: Formic acid is found in the secretions of? Options: A. stomach acid B. sweat glands C. acid rain D. stinging ants Answer:

D

Question: What type of craniates have backbones? Options: A. invertebrates B. juveniles C. vertebrates D. larva Answer:

C

Question: What is the largest body in the solar system? Options: A. asteroids B. earth C. sun D. planet Answer:

C

Question: A stem cell is an unspecialized cell that can divide without limit as needed and can, under specific conditions, differentiate into these? Options: A. infectious cells B. germ cells C. clones D. specialized cells Answer:

D

Question: What is composed of two strands of nucleotides in a double-helical structure? Options: A. bacteria B. RNA C. molecule D. dna Answer:

D

Question: Muscarinic receptors can cause both depolarization or hyperpolarization depending on the what? Options: A. gravity B. strain C. subtype D. phenotype Answer:

C

Question: Which human body system controls the amount of water in the body and removes wastes? Options: A. digestive system B. urinary system C. mucous system D. lymphatic system Answer:

B

Question: What type of feeders are earthworms? Options: A. middle B. oil C. deposit D. top Answer:

C

Question: Each cell and every living thing requires what? Options: A. potassium B. salt C. calcium D. energy Answer:

D

Question: The trade winds are nearest what? Options: A. poles B. inland C. equator D. boundary plates Answer:

C

Question: What type of chemistry is the study of the composition of matter? Options: A. philosophical B. reactive C. symbolic D. analytical Answer:

D

Question: Constriction and dilation allow the circulatory system to change the amount of blood flowing to which body parts? Options: A. muscles B. arteries C. tissues D. organs Answer:

D

Question: Who proposed the theory of evolution by natural selection? Options: A. Linnaeus B. Scopes C. darwin D. shaw Answer:

C

Question: What is a gram stain used to identify ? Options: A. radioactivity B. different types of liquids C. different types of bacteria D. acids or bases Answer:

C

Question: The distance of stars is measured in what terms, meaning the light takes many thousands of years to reach us? Options: A. light years B. light hours C. light decades D. light months Answer:

A

Question: Esters can be formed by heating carboxylic acids and alcohols in the presence of? Options: A. a nuclear catalyst B. an oxygen catalyst C. an carbon catalyst D. an acid catalyst Answer:

D

Question: When a lower energy level is ______ electrons are added to the next higher energy level. Options: A. full B. unbalanced C. ready D. empty Answer:

A

Question: What is the main difference between prokaryotic or eukaryotic cells ? Options: A. the presence of cell walls B. the type of metabolic waste C. the presence of a nucleus D. the presence of a Golgi Apparatus Answer:

C

Question: What is the term for water that falls from clouds? Options: A. lightning B. wind C. precipitation D. atmosphere Answer:

C

Question: What is the nest of cell an egg rests in called? Options: A. epidermis B. follicle C. pod D. mitochondria Answer:

B

Question: What increases the size of a population's gene pool? Options: A. mutations B. microbes C. natural selection D. mass extinction Answer:

A

Question: Regulation of hormone production hormone levels are primarily controlled through negative feedback, in which rising levels of a hormone inhibit its? Options: A. recent release B. particular release C. Limited release D. further release Answer:

D

Question: What is the formation of organs from the germ layers called? Options: A. synaptogenesis B. organogenesis C. photosynthesis D. biosynthesis Answer:

B

Question: What device is an electrochemical cell or series of cells that produces an electric current? Options: A. reactor B. battery C. magnet D. generator Answer:

B

Question: What is the term for the class of ectothermic, four-legged vertebrates that produce amniotic eggs? Options: A. reptiles B. Turtles C. amphibians D. mammals Answer:

A

Question: Types of compounds include covalent and which other compounds? Options: A. reactant B. soluble C. solvent D. ionic Answer:

D

Question: What type of cell function relies on microfilaments, which are the actin components of the cytoskeleton? Options: A. nephrons B. muscle C. neurons D. skin cells Answer:

B

Question: Fluid in the pseudocoelom serves as a hydrostatic what? Options: A. cell membrane B. skeleton C. shower D. vacuum Answer:

B

Question: The atmospheric concentration of carbon dioxide on earth has been regulated by the concentration of what form of life? Options: A. plant B. seaweed C. fungus D. fruit Answer:

A

Question: What is the study of how and why plants and animals live where they do? Options: A. lithography B. biogeography C. heredity D. geomorphology Answer:

B

Question: The base in an antacid reacts to do what to excess stomach acid? Options: A. repel it B. oxidize it C. neutralize it D. expel it Answer:

C

Question: A mitotic spindle forms from the what? Options: A. sister chromatids B. centrosomes C. ribosomes D. centrioles Answer:

B

Question: Chloroplasts are the little green particles in plants made up of what colorful pigment? Options: A. carbonate B. chlorophyll C. melanin D. verdigris Answer:

B

Question: What are color and hardness physical properties of? Options: A. ions B. cells C. elements D. matter Answer:

D

Question: What basic structures, found in animals and plants, are organized into tissues, organs, and organ systems? Options: A. cells B. bones C. proteins D. seeds Answer:

A

Question: The mass percentage of a solution component is defined as the ratio of the component’s mass to ________? Options: A. solvent's mass B. solution ’ s mass C. enough ’ s mass D. liquid's mass Answer:

B

Question: During the winter, production of what amine involved in the sleep-wake cycle may be affected by less sunlight hours? Options: A. dopamine B. melatonin C. folate D. serotonin Answer:

B

Question: Asexual reproduction occurs by what process? Options: A. balancing B. ripening C. budding D. mating Answer:

C

Question: Einstein’s equation helps scientists understand what happens in nuclear reactions and why they produce so much what? Options: A. energy B. food C. hydrogen D. light Answer:

A

Question: Digestion of carbohydrates is performed by several enzymes. starch and glycogen are broken down into glucose by amylase and maltase. sucrose (table sugar) and lactose (milk sugar) are broken down by sucrase and this? Options: A. hydrolase B. lipase C. lactase D. pepsin Answer:

C

Question: What is the name for the water-splitting step of photosynthesis? Options: A. photolysis B. hydrolysis C. cellular respiration D. peristalsis Answer:

A

Question: Electromagnetic radiation is a form of what? Options: A. energy B. fusion C. wave D. fuel Answer:

A

Question: Lipids are biochemical compounds such as fats and? Options: A. salts B. oils C. vegetables D. minerals Answer:

B

Question: How many valence electrons does carbon have? Options: A. one B. five C. two D. four Answer:

D

Question: What unit of pressure is named for the scientist whose discoveries about pressure in fluids led to a law of the same name? Options: A. pascal B. joule C. ohm D. newton Answer:

A

Question: Attaching strips of neutral metals that are higher in the activity series can protect a structure from what? Options: A. diffusion B. weathering C. deoxidation D. corrosion Answer:

D

Question: What term is used to describe a cancer that has spread? Options: A. destabilized B. metastasized C. ostracized D. galvanized Answer:

B

Question: What is it called when two waves in the same medium pass one another? Options: A. interference B. synchrony C. accumulation D. frequency Answer:

A

Question: Prostaglandins also help regulate the aggregation of platelets, one step in the formation of what? Options: A. bloats B. blood clots C. acne D. cysts Answer:

B

Question: What is the name for a series of changes in the reproductive system of mature females that repeats every month on average? Options: A. menstrual cycle B. urinary cycle C. puberty D. periodic table Answer:

A

Question: What word describes a molecule that repels polar water? Options: A. soluble B. monophobic C. hydrophonic D. hydrophobic Answer:

D

Question: Humans have about 20,000 to 22,000 genes scattered among 23 of these? Options: A. atoms B. ribosomes C. neutrons D. chromosomes Answer:

D

Question: Like simple hormone pathways, hormone cascade pathways typically involve what kind of feedback? Options: A. positive B. negative C. effective D. neutral Answer:

B

Question: What renewable energy source converts energy from the sunlight into electricity? Options: A. solar energy B. hydrostatic energy C. geophysical energy D. geothermal energy Answer:

A

Question: When atoms gain or lose electrons, what is formed? Options: A. ions B. molecules C. crystals D. gas Answer:

A

Question: What is the shorter loop of the cardiovascular system? Options: A. pulmonary edema B. venous circulation C. metabolic circulation D. pulmonary circulation Answer:

D

Question: Kidney stones are considered a disease that affects which system? Options: A. urinary system B. muscular system C. reproductive system D. digestive system Answer:

A

Question: Nearly all weather occurs in the lower part of what? Options: A. the lithosphere B. the mesosphere C. the atmosphere D. the ionosphere Answer:

C

Question: What is the substance called whenatoms of different elements join together? Options: A. plants B. crystals C. compounds D. crusts Answer:

C

Question: Vertical layering is an important feature of the terrestrial type of what kind of community? Options: A. ecosystem B. environment C. biome D. habitat Answer:

C

Question: Name the multi-phase process in which the nucleus of a eukaryotic cell divides? Options: A. symbiosis B. meiosis C. mitosis D. cytokinesis Answer:

C

Question: Fission is a type of radioactivity in which large nuclei spontaneously break apart into what? Options: A. light nuclei B. active nuclei C. faster nuclei D. smaller nuclei Answer:

D

Question: What is the main function of blood? Options: A. to transport B. digestion C. excretion of waste D. respiration Answer:

A

Question: Where do all cells come from? Options: A. busy cells B. pre-existing cells C. dying cells D. large cells Answer:

B

Question: What do ants and termites eat to help them digest wood and leaves? Options: A. pollen B. yeast C. berries D. fungi Answer:

D

Question: Sharks are an example of an animal with sharp vision that is nonetheless unable to distinguish what? Options: A. shapes B. contrast C. depth D. color Answer:

D

Question: What kind of rocks form as an existing rock is altered by high temperature or pressure? Options: A. basaltic B. metamorphic C. igneous D. sedimentary Answer:

B

Question: Peroxisomes carry out oxidation reactions that break down what acids? Options: A. fatty acids and amino acids B. nitric acids C. acetic acids D. stomach acids Answer:

A

Question: A circular coral reef could indicate the earlier existence of what? Options: A. tsunami B. volcano C. avalanche D. landslide Answer:

B

Question: What body part boasts three articulations and includes the patella? Options: A. knee B. elbow C. ankle D. hip Answer:

A

Question: What helps to propel sponge larvae through the water? Options: A. tentacles B. mucus C. cilia D. antennae Answer:

C

Question: The trochophre, a unique larval form, is found in the life cycle of which animal classification. Options: A. coral B. mollusks C. eels D. sharks Answer:

B

Question: Where are most of the organs contained in insects? Options: A. appendages B. thorax C. head D. the abdomen Answer:

D

Question: Burning of methane is a type of what, which involves the breaking and forming of bonds? Options: A. chemical reaction B. physical reaction C. toxic reaction D. liquid reaction Answer:

A