Provide an illustration and brief description of the pathway of light in relation to magnification on a compound microscope.    Thank you!

Q: Describe two types of alternative processing pathways. How do these pathways lead to the production ...

A: Alternative splicing is the process of producing variably spliced mRNAs by selecting alternative com...

Q: Why must a plant or animal make trade-offs among growth, reproduction, defenses, and other adaptive ...

A: Introduction: A tradeoff is a decision based on the current circumstances that involve giving up one...

Q: The study of how habitat-type distribution across a landscape is known as:

A: Habitat is famous term in ecology it is the place where an organism make its home. A respective habi...

Q: What would be the most likely effect of a mutation at the following locations in an E. coli gene? a....

A: Part A. There will be no transcription. Part B. The rate of transcription will be decreased. Part C....

Q: How do heredity and environment affect intelligence?

A: Heredity, often known as inheritance or biological inheritance, is the transfer of attributes from p...

Q: The following statements best describes the RNA structure EXCEPT some eukaryotic RNAS stay in the nu...

A: Answer : Option (C) is right. - protein synthesis cannot explain the structure of RNA.

Q: In a double stranded DNA if the adenine content of a double-stranded DNA is 30% of the total bases, ...

A: The fundamental unit of life is the cell. An organism's cell count determines whether it is prokaryo...

Q: The 2 chains composing one double helix run in opposite directions; they are antiparallel (one is 5'...

A: The 2 chains composing one double helix run in opposite directions; they are antiparallel (one is 5-...

Q: What makes up the spliceosome? What is the function of the spliceosome?

A: DNA and RNA stand for deoxyribonucleic acid and ribonucleic acids. Both molecules are present in the...

Q: Question 8 The unique stem-loop structures of the transfer RNA helps the RNA perform its function of...

A: RNA is ribose nucleic acid, having mainly 3 forms. t-RNA--transfer RNA r-RNA -- ribosomal RNA m-RNA ...

Q: True or False The unique stem-loop structures of the transfer RNA helps the RNA perform its function...

A: RNA molecule is a single stranded structure may be single or folded and coiled upon itself. The tran...

Q: Choose ONE non-genetically modified organism (non-GMO) from the the given pictures below and modify ...

A: Introduction  Any organism whose hereditary material has been changed through hereditary designing m...

Q: What will be the quantitative effects of feedbacks such as the release of methane and carbon dioxide...

A: Permafrost is also known by the name of frozen grounds. Permafrost is described as soil that is pres...

Q: Many human genetic diseases are caused by mutations that occur at splice sites. Propose some ways th...

A: Introduction: When it comes to its base makeup and DNA sequence, the genetic macromolecule known as ...

Q: Having identified the genetic identity of the parent cats, fully proof your answer to show the simul...

A:     One copy of the genetic code is known to be inherited from the mother's parent with the he...

Q: Question 11 The A and B forms of DNA A are both left handed helix B are both right handed helices (c...

A: DNA is a dioxyribose nucleic acid. Which has made up of 2 polynucleotides strands coiled around each...

Q: Define about constitutive mutations ?

A: ANSWER;- A constitutive mutant is one in which the gene item is created ceaselessly, that is there a...

Q: A double-stranded DNA molecule (B-DNA) is 100,000 base pairs long. How many complete turns are there...

A: The DNA double helix biopolymer of nucleic acid is held together by nucleotides which base pair toge...

Q: Hemophilia in the royal family was caused by the presence of a mutation in the gene for factor IX th...

A: Inheritance or heredity is passing-on one trait form the parents to the progeny by either asexual or...

Q: RNA polymerases carry out transcription much more slowly than DNA polymerases carry out replication....

A: The process of producing two daughter strands, each containing half of the original DNA double helix...

Q: tructural errors can occur during Meiosis which can lead to h disorders. Examine the figure below an...

A: Chromosome structural errors : These are changes to the structure or number of chromosomes  It can b...

Q: Question 7 The long solenoid structure of the chromatin material binds to a protein scaffold through...

A: The long solenoid structure of chromatin material is Histone molecule. Histones, which attach to DNA...

Q: Select ALL statements about digestive systems that are true: A. carnivores have longer digestive tra...

A:

Q: In The Lake as a Microcosm, this 10th century biologist showed that romoving just one species trom a...

A: The correct answer to the given option is d. A microcosm is a widely studied isolated system and thi...

Q: Why is important to note the Kit / Lot number and expiration date for each kit or tests done from ea...

A: Introduction Some collection devices ensure the delivery of the correct sample volume and some conta...

Q: Which of the following can be answered by immunohistochemistry? Select all that apply. a. Whether BD...

A: Few important points : Immunohistochemistry is basically a localization of known antigen in tissue ...

Q: How has global environmental change affected coral reefs around the world?

A: The greatest global threat to coral reef ecosystems is climate change. Scientific evidence now clear...

Q: How do siRNAs and miRNAs target specific mRNAs for degradation or for therepression of translation?

A: The process of eliminating mRNA that is no longer needed in the cell or has aberrant features is kno...

Q: (4) Study the diagram below. Which of the following options correctly matches the part of the fiow s...

A: Introduction :- The reproductive structure of blooming plants is the flower (plants of the division ...

Q: What is the difference between the template strand and the nontemplate strand?

A: DNA stands for deoxyribonucleic acid is a chemical molecule present within the nucleus of the cell. ...

Q: In what way do the nitrogen and phosphorus cycles regulate Earth’s carboncycle?

A: The term biogeochemical cycle is associated with the movement of several nutrients such as phosphoru...

Q: What different methods were used to help break the genetic code? What did each method reveal and wha...

A: Deoxyribonucleic acid contains genetic information of an organism. The main function of genes is to ...

Q: It’s sometimes said that the reason an animal does something is that it’s “for the good of the speci...

A: Natural selection is a selective force acting against an organism to reproduce and survive because t...

Q: 1. Which of the following layers protect the mammalian oocyte during ovulation? * a. cortical and hy...

A: Structure of mammalian Oocyte:  mature mammalian Oocytes have many layers before ovulation- Follicle...

Q: A mutation prevents the catabolite activator protein (CAP) from binding to the promoter in the lac o...

A: Introduction  All the gene expressions are under high regulation and this is necessary to avoid over...

Q: Suppose that a mutation occurs in the middle of a large intron of a gene encoding a protein. What wo...

A: Introns are the sequences that do not code for proteins.  

Q: Question 8 The unique stem-loop structures of the transfer RNA helps the RNA perform its function of...

A: tRNA (Transfer ribonucleic acid) is one type of RNA that is used in translation machineri to decode ...

Q: In figure 4-7 why does facilitated diffusion have a maximum rate of diffusion?

A: In facilitated diffusion, transport of substances across a biological membrane takes place which occ...

Q: Define heterozygous

A: Genetics is another branch of biology that studies genes, genetic variation, and heredity in living ...

Q: If the gene for primase were mutated so that no functional primase was produced, what would be the e...

A: DNA replication is the process by which new DNA strands are formed.  

Q: What are the advantages of the API 20E test compared to regular biochemical tube media

A: API 20E test helps in the determination of bacteria from lab-scale activated sludge treatment system...

Q: True or False The sugar-phosphate backbone is located on the outside of the molecule with the 2 sets...

A: The nucleotide polymer that are responsible for determining and regulating genetic characteristics o...

Q: During the initiation of translation in bacteria, the small ribosomal subunit binds to which consens...

A: A gene is a DNA-based functional heredity unit that delivers instructions for the production of RNA ...

Q: A new plant forms from a stem that broke off of the parent plant. This is an example of_____ . a. no...

A: Plants are the mainly photosynthetic, autotrophic eukaryotes of kingdom plantae. Plants are multicel...

Q: QUESTION : How did the bacteria maintain its homeostasis when homeostatic disturbance occur.  Explai...

A: The bacteria the example of prokaryotic organisms that do not contain any membrane bound cell organe...

Q: What are the major classes of cellular RNA?

A: DNA and RNA are nucleic acids. DNA codes for cellular activities and RNA carries out the process of ...

Q: list the complete parts and functions a compound light microscope with two oculars.

A: Light microscope with two ocular or eyepieces is called binocular light microscope.

Q: Prompt With many issues regarding stem cell research with one of them being the utilization of embry...

A: INTRODUCTION Stem cell research The scientists grow stem cells in the lab and later the cells are ma...

Q: What types of changes take place in rRNA processing? a. Methylation of bases b. Cleavage of a larger...

A: The nucleic acids are the macromolecules that can be found in different forms. One of the forms of n...

Q: How important are evidences of evolution to the present time?

A: Evolution is the process by which the inheritable traits of biological populations change over time....

Microbial Isolation

Isolation of the microorganisms in microbiology is the process of developing a pure culture by separating one species of microbe from a mixture of many other species. A pure culture is a culture that contains only one species of microbe.