What is the importance of surfactant in the lungs?   it reduces the surface tension of water in the alveoli, making expiration easier it reduces the surface tension of water in the alveoli, making inspiration easier it increases the solubility of O2, making alveolar exchange more efficient it keeps the surface of the alveoli clear of debris

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A: Seed: A seed is an embryonic plant with a protective coating around it. Seed development is a phase…

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A: Extinction is the extinction of a species or group of taxa. The death of the last member of a…

Q: You have just gotten back the results from an RNA-seq analysis of mRNAs from liver. You had…

A: RNA-Seq which is expanded as RNA sequencing is described as a sequencing technique that makes use of…

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A: Nutrigenomics is the branch of science that investigates the link between nutrition and changes in…

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A: Non disjunction is the failure of chromosome separation during meiosis that cause to produce…

Q: eukaryote cell typically has enough available ATP to meet its needs for about 90 seconds. What would…

A: Eukaryotes are life forms whose cells contain a nucleus and other membrane bound organelles. There…

Q: When the concentration of the hormone insulin is too high for an extended period: O The number of…

A: Insulin is defined as a peptide hormone which is generated by pancreatic islets of Langerhans cells…

Q: Describe the difference between carrier proteins and channel proteins. What is required for the…

A: * The channel proteins are proteins that have ability to form hydrophilic pores in cell membranes…

Q: Twenty snakes with the Aa genotype migrated to a population of 80 snakes of the same species with…

A: Hardy-Weinberg Equilibrium is a concept that serves as a benchmark for researchers to analyze gene…

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A: Pyruvate kinase It is an important enzyme of glycolysis that aids in the conversion of…

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A: By simply accounting for the inaccuracy, the Correction Factor allows us to attain more accurate…

Q: In the US, many farmers regularly use the herbicide glyphosate to keep their fields free from weeds.…

A: Natural selection is proposed by Charles Darwin. The main concept here is the process through which…

Q: The embryo of monocotyledonous seed consists of one large, shield shaped cotyledon. What is it known…

A: Embryo of monocot Though the seeds differ greatly, the early stages of embryo development…

Q: In the evolution of the eukaryotic cell, these cells have evolved key changes that include which of…

A: A eukaryote is a cell or creature with a nucleus that is clearly defined. Eukaryotic cells are found…

Q: Hazards consist of FIVE (5) major elements which are chemical, physical, biological, psychosocial…

A: There are various types of Hazards. Chemical, biological, physical, egronomical and psychosocial…

Q: What is the second greatest known cause of amphibian declines, after habitat loss? What is the…

A: Amphibians are those animals which can live on both land and water. Their decline would impact…

Q: Vhich of the following is FALSE about homology? Homology refers to traits inherited from a common…

A: * Homology means having similarity in structure and physiology or development of of organisms based…

Q: The RNA-induced silencing comp (RISC) I. binds to and unwinds ds siRNA/miRNA to produce ss…

A: A multiprotein complex called RISC contains one string of a small interfering RNA (siRNA) or micro…

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A: Percentage loci polymorphism It predicts the genetic diversity of a given population and can be…

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A: *VEGF also called as Vascular endothelial growth factor also called vascular permeability factor…

Q: IP3 binds to---- and DAG binds to O Calcium channel of SER/Protein Kinase C O Nucleus/Plasma…

A: IP3 stands for Inositol Triphosphate. DAG stands for Diacylglycerol.

Q: Which of the following statements regarding B cell development is correct? a- Functional mature b…

A: * B cells are responsible for humoral immunity component of adaptive immune system which produces…

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A: Nitrogen cycle is a biogeochemical process which transform the inert nitrogen present in the…

Q: Which figure represents the non- competitively inhibited enzyme? Figure 1 Suhatrate Product Enzyme O…

A: Enzymes are essential components of all metabolic processes in the body. They are catalytic…

Q: Which illustration below correctly depicts the effect of histone modification in chromatin…

A: The power of ATP is used by chromatin remodelers to move DNA around nucleosomes. Remodeler…

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A: The heart is a muscular organ the size of a fist that sits directly behind and somewhat to the left…

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A: The prospective memory defines the ability to identify the intentions when a cue occurs. The…

Q: Refer to the DNA sequence provided: 3’ -TACTGAAGCGGCAGCCCCGCATGAGTAGACCTTACT-5’ b. What is the…

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A: First messengers are usually extracellular factors. Hormones and neurotransmitters are the examples.…

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A: The oldest known fossil bird is Archaeopteryx, which dates from the late Jurassic period. It…

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A: Land plants can be referred to as multicellular creatures that have a variety of properties that…

Q: what anatomical system of praying mantis and crab would you recommend as a target of attack and why?

A: Mantis is insect contains over 2,400 species in about 460 genera in 33 families.Mantis are found in…

Q: 25. What would be the effect of severing the corpus callosum?

A: Introduction :- The corpus callosum is a large bundle of more than 200 million myelinated nerve…

Q: tion 4. Why nature derived carbons are good materials as com- pared to biochar? Write the main…

A: * Biochar is an carbon rich material which will produced during pyrolysis process which is a…

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A: The human body needs glucose to make adenosine triphosphate (ATP) molecules during the aerobic…

Q: Explain how GEF and GAP activate and deactivate RAS, respectively.

A: GEFs and GAPs are multidomain proteins that are regulated by extracellular signals and localized…

Q: Dideoxy sequencing is one of the most important methods for DNA sequencing. What could be the impact…

A: The biological methods for establishing the arrangement of the nucleotides in a DNA oligonucleotide…

Q: Describe three drivers of mutualism breakdown. For these drivers of mutualism breakdown, in what…

A: Mutualism refers to a partnership in which both creatures get something from the other. In this…

Q: Which of the following statements BEST explains the relationship between the parts of genetic…

A: The hereditary substance in humans and almost all other animals is DNA, or deoxyribonucleic acid.…

Q: In both Prokaryotes and Eukaryotes, which of the following structures can cross cell membranes using…

A: Introduction Cell transports are the movement of a material through the cell membrane. The material…

Q: If a mass extinction is happening, why don’tI notice species disappearing around me?

A: An extinction event is a significant and rapid loss of biodiversity on the planet. A dramatic change…

Q: 4. What is the effect of the amount of time spent on social media on a person’s anxiety level?…

A: As we know that anxiety is one of the mental disorder and symptoms of anxiety are sweating , panic ,…

Q: Explain the steps involved in the transport of sodium ions and potassium ions across a plasma…

A: Introduction :- sodium potassium ATPase is a protein pump found in neurons' cell membranes (and…

Q: how the sequential opening and closing of voltage-gated sodium and potassium channels leads to…

A: Answer: sequential opening and closing of voltage gated sodium potassium channels leads to…

Q: Identify five (5) errors in the figure below. Draw a corrected version below it and encircle all the…

A: DNA and RNA are polynucleotides that are composed of a chain of nucleotide monomers with distinct…

Q: If a cell is placed in a solution that has the same concentration of solutes as in its cytoplasm,…

A: When a cell is submerged in an isotonic solution, there is no net movement of water entering or out…