Q: The parasympathetic nervous system mainly uses _________ to exert its effects on the smooth muscles ...
A: Autonomic nervous system is the branch of the peripheral nervous system which controls involuntary o...
Q: What is the fate of a protein that has a signal sequence?
A: Answer: Proteins are fed into the ER during translation if they have an amino sequence called a sign...
Q: One example of codominance found in animals is the speckled chicken. This organism has alleles for b...
A: Inheritance is the process of transmitting the traits from parent to offspring. Traits of an organis...
Q: Please provide detail understanding and hand written solution
A: Second messengers are defined as intracellular signaling molecules that are released or secreted by ...
Q: 1-Provide 4 anatomical characteristics of the primate pattern 2-Provide 4 behavioral characteristic...
A: In this question, we have to answer 4 anatomical characteristics of primate pattern and 4 behavioura...
Q: Bilirubin results from the degradation of:
A: RBC are biconcave, circular and non-nucleated. They help in the transport of gases. In RBC, red colo...
Q: Describe the role of the kidneys in pH, fl uid, and electrolyte balance
A: Kidneys are the pair of bean shaped red colour organs that are the crucial part of the excretory sys...
Q: What is the fluid thioglycollate medium? Please explain the testing and its results and the chemistr...
A: Microbiology laboratory uses various kinds of culture media to identify the biochemical characterist...
Q: Your graduate advisor asks you to amplify the following sequence of DNA by PCR: 5’-ATACGCATTCGGACCAG...
A: A technique that amplifies DNA through a simple enzymatic reaction, was developed by Karry Mullis at...
Q: Suppose you are viewing a Gram-stained field of red rods and purple cocci through the microscope. Wh...
A: On the basis of the gram staining technique, the bacteria are classified into Gram-positive and gram...
Q: When tryptophan is present The trp operon is transcribed O The trp operon is NOT transcribed Only th...
A: for the given question 4. Tryptophan is present and help in the turning on and off of the trp operon...
Q: How did the development of Margulis' theory aid in our understanding of how complex organisms came i...
A: Answer. In 1967, Lynn Margulis developed the endosymbiotic theory. This theory describes how over th...
Q: The diagram shows a replication bubble. Which letters on the light blue newly synthesised DNA repres...
A: A replication bubble is an unwound and open region of a DNA helix where DNA replication occurs.
Q: In your own words, define the terms “orthologous” and “paralogous” genes. Then, briefly suggest by w...
A: If their _functions_ are similar (or, more narrowly, if they share a common function of interest), t...
Q: When analyzing a normal human male karyotype, all of the chromosomes can be sorted into homologous p...
A: Chromosomes are filamentous bodies present in the nucleus. They are composed of DNA( deoxyribonuclei...
Q: One example of codominance found in animals is the speckled chicken. This organism has alleles for b...
A: Dominance can be defined as the process in which one allele mask the expression of another allele wh...
Q: explain why identical twins may have fewer genetic differences than fraternal twins?
A: Identical twins results from the fertilization (fusion of male and female gametes i.e., sperm and ov...
Q: In protein synthesis, why is it call translation? What is transcription and what does it do? What is...
A: Gene expression or protein synthesis involves two process transcription and translation.
Q: Considering you can’t identify bacteria from a Gram stain, why might a physician perform a Gram stai...
A: Gram staining is a common technique for distinguishing two large categories of bacteria based on dif...
Q: 19. For the flower on the left, is it monoecious or dioecious? 20. For the flower on the right, what...
A: Floral morphology defines a flower based on the arrangement of all the four whorls present in it.
Q: Conjugation differs from reproduction because conjugation O transfers DNA horizontally, to cells in ...
A: Correct answer is A where conjugation transfers DNA horizontally to cells in the same generation.
Q: Why is the 3-dimensional structure of naturally occurring molecules important
A: The 3-D structure of naturally occuring molecules is important because :- The three-dimensional stru...
Q: A man and a woman have a child with cystic fibrosis. Neither parent has cystic fibrosis. How could t...
A: Cystic fibrosis is an inherited life-threatening disorder that affects the lungs and digestive syste...
Q: Visit this site (http://openstaxcollege.org/l/pregstages) for a summary of the stages of pregnancy, ...
A: Gestation in humans is the time period from the day of conception till when the baby is born. In hum...
Q: When the nuclear membrane fragments and the DNA coils into visible chromosome a) prophase b) metapha...
A: cell division is a very important process in all living organism during the division of cell DNA rep...
Q: Modern bananas originated from a cross between a tetraploid banana species and a diploid banana spec...
A: The Panama disease is caused by the fungus Fusarium oxysporum cubense or “Foc” that stops the plant ...
Q: People often take milk of magnesia to reduce the discomfort as- sociated with acid stomach or heartb...
A: It is chemical reaction where acid and base react quantitatively with each other to form water and s...
Q: Where does transcription start?
A: In this question, we have to answer where does transcription starts.
Q: Write a concluding paragraph that goes through the five steps of natural selection: THESE ARE THE FI...
A: The majestic march of evolution started since life come into existence in this ever changing panaro...
Q: Explain why some researchersbelieve science should focus its attention on the inflammationassociated...
A: Inflammation is that the immune system’s natural response to injury and ill health. Inflammatory che...
Q: Which of the following questions about the origin of life on Earth is most scientifically testable? ...
A: Different theories have been put forward to explain the origin of life on earth. Some of those theor...
Q: Match the confirmation test to the category of bacteria. (each category can be used multiple times) ...
A: Gram-positive bacteria are bacteria that test positive in the Gram stain test, which has historicall...
Q: In which of the following scenarios would evolution by natural selection take place? A banana tree ...
A: Biological macromolecules are those large molecules that are necessary for the survival and growth o...
Q: Name the structures that make up the respiratory system
A: The name of the parts is given below.
Q: What is the process when plants taking in carbon dioxide?
A: Plants take in carbon dioxide (CO2) and water (H2O) from the air and soil during photosynthesis. Wat...
Q: All the operational activities of a farm is a project. do you agree?
A: The farm is a land where agricultural activities are carried on. The farm is land used to cultivate ...
Q: What is meant by "selective toxicity"
A: The explanation is given below.
Q: The chronosequence of soil age across the Hawaiian Islands shows which of the following patterns of ...
A: The parent material of a soil affects the balance between nutrient loss and retention by determining...
Q: The key finding ofl a study with butterflies and habitat fragmentation by Haddad and colleagues was ...
A: Habitat fragmentation is characterised as the transformation of a wide expanse of habitat into a num...
Q: Explain the structure of Lac operon in bacteria.
A: Bacteria may break down lactose but it is not the primary fuel for meeting their energy needs. Gluco...
Q: Which statements explain the most likely cause of the difference between the hands of chimpanzees an...
A: The hands of gorilla has a significant difference with the hands of chimpanzees. Using the method of...
Q: what might happen to the remoras if all of the sharks died?
A: Sharks and remora relationship benefits both the species. Remora feeds on scraps of prey dropped by ...
Q: If a lipid raft is typically 70 nm in diameter and each lipid molecule has a diameter of 0.5 nm, abo...
A: Given in the question, diameter of a lipid raft= 70nm diameter of a lipid molecule = 0.5nm ration of...
Q: A small number of lizards from a mainland population have been deposited on four isolated islands be...
A: Evolution is a continuous process and we are still evolving. Evolution is nothing but adapting to th...
Q: You Eat! d Chain: Series of events in which one organism eats another and obtains " level. Each leve...
A: Food chains are the specialized concept in ecology which depicts the different interactions between ...
Q: The accuracy of transcription is less than the accuracy of DNA replication. The error rate of transc...
A: Replication is the process which is responsible for synthesis of DNA from the parental strand of DNA...
Q: Describe the three stages of the path of sensory information.
A: There are three stages of the path of sensory information. Here we will discuss them one by one.
Q: What are the types of transposons? Explain how transposons contribute to genome evolution.
A:
Q: help!!
A: Leonardo da Vinci first proposed to study objects through a lens. In 1610 Galileo build a microscop...
Q: 4 Task #1 1 -The first arm bone, #1, is that of a human. 3 -Your task is the create an evolutionary ...
A: 1 - Human bone 2 - Cat bone 3 - Dog bone 4 - Alligator bone 5 - Whale bone 6 - Penguin bone 7 - Bat ...
Describe the contributions of Pasteur and Koch to our understanding of infectious diseases.
Step by step
Solved in 2 steps
- Discuss the contribution of lister,pasteur and Koch to the germ theory of disease and the treatment on prevention of diseasesDiscuss the contributions of Lister, Pasteur, and Koch to the germ theory of disease and the treatment or prevention of diseases. What other contributions did Koch make to microbiology?Why are Koch’s postulates not sufficient to establish the cause of all infectious diseases?
- How might the work of Winogradsky and Beijerinck have contributed to research on bacterial pathogens? Conversely, how might Koch and Pasteur have influenced Winogradsky’s and Beijerinck’s study of microbial ecology?Describe the roles played by Louis Pasteur and Robert Koch inunderstanding infectious disease; list Koch’s postulates.how does the work of winogradsky and beijerink have contributed to research on bacterial pathogens ? conversely , how might koch and pasteur have influenced winogradsky and beijerink study of micribial ecology
- List down the contributions of the following: Alexander Yersin Robert Koch Louis Pasteur Leeuwenhoek Edward JennerA. What is Pasteur’s “Germ Theory of Disease?. How did he discover this principle? B. What major obstacle did he have to overcome (A philosophical concept) to establish the validity of the theory.Why Loius Pasteur, Robert Hooke, and Antoni van Leeuwenhoek are the important persons in the field of Microbiology? What are their individual contributions?