(ELSC Grade 11) Earth and Life Science Week 11-19

 

This binds the core element.Select one:a. SL1b. TFIIHc. TFIIEd. CAT boxWhat is the technique used to create changes in genes?Select one:a. Mutagenesisb. Cloningc. Splicingd. RecombinationWhat is the tissue that lines the gastrovascular cavity?Answer: gastrodermisThis type of RNA polymerase is responsible for transcribing tRNA.Select one:a. RNA pol IVb. RNA pol Ic. RNA pol IIId. RNA pol IIBacterial protein transcription utilizes what kind of subunitsSelect one:a. Betab. Sigmac. Alphad. ThetaFructose moves by passive transport into the epithelial cells of the small intestine.Select one:TrueFalseThe pH of the esophagus is acidic.Select one:TrueFalseBile is stored and concentrated where?Select one:a. Liverb. Large intestinec. Gallbladderd. StomachThis binds the core element.Select one:a. TFIIHb. TFIIEc. CAT boxd. SL1When fewer calories are taken in than is required, glycogen is hydrolyzed.Select one:TrueFalseThe ground tissue of roots is composed of what types of cells?Select one:a. Chollenchymab. Parenchymac. Meristemsd. SclerenchymaThe vascular tissue of a shoot or root system is calledSelect one:a. Peridermb. Parenchymac. Steled. PetioleEssential fatty acids are saturated.Select one:TrueFalseWater can evaporate through stomata.Select one:TrueFalseWhat is the term for the continous growth of plants?Answer:Indeterminate growthThese are all accessory organs for digestion, exceptSelect one:a. Appendixb. Gallbladerc. Pancreasd. LiverThe xylem vascular tissue system transports sugars and carbohydrates.Select one:a. Trueb. FalseWhich is the most specialized eukaryotic polymerase?Select one:a. RNA pol IVb. RNA pol IIIc. RNA pol Id. RNA pol IIThese are complexes made of both RNA and protein.Select one:a. Cytoplasmb. Golgi bodiesc. Ribosomesd. NucleusThe transfer of alleles into or out of a population is called:Select one:a. Genetic driftb. Allele frequencyc. Gene flowd. ReproductionFructose moves by passive transport into the epithelial cells of the small intestine.Select one:TrueFalseWood is also known as secondary phloem.Select one:a. Falseb. TrueHow many types of essential amino acids do humans require from their diets?Select one:a. 7b. 8c. 9d. 6Answerare the simplest digestive compartments.'Food VacoulesAll animals complete their digestion extracellularly.Select one:a. Trueb. FalseMicroscopic blood vessels that absorb fructose are also known asSelect one:a. Veinsb. Capillariesc. Sphinctersd. ArteriesWho was the father of paleontology?Select one:a. Linnaeusb. Cuvierc. Aristotled. DarwinA gastrovascular cavity has only one opening.Select one:a. Falseb. TrueThese are all parts of the large intestine, exceptSelect one:a. Cecumb. Jejunumc. Anusd. RectumBile destroys these cells when they are no longer functional.Select one:a. Red blood cellsb. Cardiac cellsc. Epithelial cellsd. Muscle cellsIn these plants, taproots store carbohydrates and sugars.Select one:a. Eudicotsb. Gymnospermsc. Angiospermsd. FernsLife on earth is based on carbon.Select one:a. Falseb. TrueRoots derive nutrition from?Select one:a. Photosynthatesb. Waterc. Phalatesd. AirThese cells regulate the opening and closing of the stomata.Select one:a. Peridermb. Mesophyllsc. Guard Cellsd. PlastidsThe interior of the cork cambium is formed by these cells.Select one:a. Meristmaticb. Sclerenchymac. Chollenchymad. PhellodermThe spongy mesophyll is located above the palisade mesophyll.Select one:TrueFalseThese are the two types of interspecific competition.Answer: Symmetric and asymmetricNot all ecosystems need a boundary.Select one:a. Trueb. False

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