Biology question and answers for July 26, 2023
- Q Can someone explain the difference in homospores andheterospores? And which plants use which? And what each growinto?
- Q 19. What is the function and structure of DNA?
- Q 1.Chlorpyrifos insecticide exposure in the general population isoften measured directly. The methodology for measuring exposurespecifically to chlorpyrifos involves…a.Collecting blood and measuring the parent compoundb.Collecting saliva and measuring the parent compoundc.Collecting...
- Q The physiological function of brown adipose tissue is to produceheat using a mitochondrial protein, thermogenin, also calleduncoupling protein-1 (UCP-1). It was previously thought that inhumans, uncoupling proteins (UCPs) were present...
- Q How does the nucleus coordinate gene expression
- Q Discuss a) Genomic and complementary DNA (cDNA) libraries and b)The testing of pharmaceutical drugs.
- Q A scientist isstudying the inheritance of two traits, red hair color andfreckles. The genotypes of both parents are TtGg. However, thereuslts of the cross deviate strongly from the characteristic9:3:3:1 ratio....
- Q Which statement is FALSE of the genetic code?a) it contains a list of codons and the amino acids they codefor which combine together to form proteinsb) a total of 20...
- Q MyPlate for Older Adults emphasizes all of the followingrecommendations EXCEPT:the importance of fluid consumption.using herbs and spices to enhance flavor.choosing convenience foods to ease food preparation.staying physically active.
- Q inyour liver cells, each cell contain 23 homologous pairs ofchromosomes. which of the following statements regarding homologouschromosomes true?1. homologs of a pair of homologus chromosomes contain thesame loci.2. each of...
- Q why would aromsin compete with testostreone the precursor ofestrogen.
- Q As a child, you greatly disliked having to receive vaccines byinjection (shots). Therefore, you have elected to geneticallyengineer a vaccine that can be administered via ingestion. Howwould you design such...
- Q THIS IS A CONCEPTUAL UNDERSTANDING QUESTION: Grapes have a lot ofDNA in them. However, when you used the same protocol, you did notobtain any DNA from the grapes. What can...
- Q explain two factors that might control the changes indistribution and virulence of malaria in a changing climate?
- Q What is the relationship between the number of chromosomes in anorganism's genome and its biological complexity?a) more complex organisms have a higher number of chromosomesdue to a higher number of...
- Q Indicate whether the following statements apply to exotoxins orendotoxins 1. the effect is tissue specific e.g neurotoxin 2. theseare made of protein and are often secreted by the pathogen 3....
- Q Imagine that you have been assigned four substances from whichyou will observe the rate of diffusion: substance #1: 212mg?substance #2: 1918 mg substance #3: 50 mg substance #4: 4 mg...
- Q Vitamins serve as co-enzymes in many biochemical reactions. Whatvitamins (co-enzymes) would you supply bacteria and which you wouldremove from the medium to prevent accumulation of fat bybacteria.
- Q Chordata, Vertebrata, Agnatha Questions1. Read the descriptions provided above for the externalstructures and then label the lamprey diagram below.2. The sea lamprey is a jawless fish. How is the outsidecovering...
- Q Steve and Marissa are in the midst of an acrimonious divorce.Their 9-year-old son Dennis has become hostile and defiant. How canSteve and Marissa help Dennis adjust?.How does each level in...
- Q Indicate whether the following statements apply to B cells, Tcells, both, or neither 1. Can produce memory cells 2. requirecontact with antigen presenting cells to be activated 3. are foundin...
- Q When the blood glucose concentration is low, the pancreassecretes glucagon to signal the liver to produce glucose andglucose-1-phosphate. Which metabolic steps are involved in thisbiosignaling pathway?I.Inactivation of glycogen synthase via...
- Q Shark Questions:1. What may be the purpose of counter shading in sharks andother types of fish?2. What are the functions of the shark liver?3. Make a flow chart (using arrows)...
- Q which is considered characteristic of the acquired of theimmunological system?a. specificityb. memoryc. recognition of self (self-preservation)d. induciblee. all of the above are true
- Q 2. Serotonin is a neurotransmitter. What would you assume aboutthe stability of serotonin? Please explain your answer.
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