Biology question and answers for February 22, 2024
- Q Deforestation and forest degradation are the biggest threats to forests worldwide. Deforestation occurs when forests are converted to non-forest uses, such as agriculture and road construction. Forest degradation occurs when...
- Q Melissa is younger than Natalie and is older and shorter than Jason. Natalie is taller and younger than Ken, but Ken is taller than Jason. List the ages of the...
- Q Scientists have found fossils of cyanobacteria that are more than 3.5 billion years old. How did these cyanobacteria help to change Earth's early atmosphere to allow for the evolution of...
- Q Discuss four things that you can do before and during harvest to reduce the likelihood of postharvest rots developing in fruits or vegetables
- Q Discuss the five different methods used to reduce postharvest losses
- Q Which of the following methods would likely be used to insert DNA into a mammalian cell Transformation Microinjection Electroporation
- Q During which phase of the cell cycle are chromosomes duplicated?CytokinesisMitosisMeiosisInterphase
- Q During embryonic folding, which germ layer will have the largest number of mitotic cells?EndodermNone. They are all undergoing mitosis at approximately the same rate.MesodermEctoderm
- Q The smoke and ash produced by fires started from the searing heat of the burning atmosphere only affected the Americas.TrueFalse
- Q What mineral, abundant in the Yucatan region, is missing from the cores recoveredfrom the Chicxulub Crater Peak Ring?gypsumlimestoneanhydritehalite
- Q Within miles of the asteroid impact, everything in the path of the shock wavewas decimated and totally destroyed.400 miles600 miles800 miles60 miles
- Q The sand layers drilled at the top of the Peak Ring of the Chicxulub Crater areconsidered the world's largest tsunami deposits.TrueFalse
- Q What type of rock formed deep underground indicated the drilling had reached impactiles blasted from the crater?granitebasaltlimestoneandesite
- Q The true killer of the dinosaurs was the blockage of sunlight by sulfur, ash and smoke, stopping photosynthesis on Earth.TrueFalse
- Q 4. Coenzymes are...C. enzymes that coagulated into a semi-solid substance at high temperatureD. biological catalystsB. enzyme's helpers that transitorily accept or donate atoms or electrons during the reactionA. enzyme's helpers...
- Q Two important coenzymes that function in metabolism are:All are important coenzymesDNA and ATPFAD and NAD+.ATP and acetyl CoANADP and ATP
- Q Match the molecules in the left column with what they are able to bind (right column)substratenon-competitive inhibitorcompetitive inhibitor
- Q Enzymes....A. increase the activation energy and the reaction rateE. are used up in a reaction and, thus, cells produce them continuouslyC. increase temperature or pressure so the reaction takes placeD....
- Q Which of the following statements about biofilms is incorrect?a biofilm is a complex of microorganisms surrounded by an extracellular matrix that attaches to a solid surfaceMicrobes in the biofilm communicate...
- Q What are effective uses of social media for emergency management.
- Q What attitudes do you see in images from popular culture-in movies, comics, fashion, dolls, advertisements, magazines, calendar art, billboards, etc.?
- Q What are strategies for FEMA social media
- Q How is an emergency management course focused on the "evolution of emergency management"? Provide us an example to see how much we have "evolved" in this type of emergency.
- Q What are some scientific concerns we may have others in the future, which makes studying pandemic events even more important?
- Q Was John Barry correct in his predictions of what the next pandemic would be like?
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