List three virulence factors and explain their role in establishing a disease. What is the difference between multidrug resistance and cross-resistance? What is the difference between MIC and MBC?

Q: Factors Affecting Population Growth Types of Population Growth Density-dependent limiting factor Den...

A: Introduction A population is a distinct group of individuals, a population consists of all the organ...

Q: Match the epithelium with the correct characteristic.                              1               ...

A: Topic::- HISTOLOGY 1. Simple cuboidal epithelium >  B. Has cube shaped cells with nucleus in...

Q: How does a biologist determine the polarity of a character change?

A: The polarity of the character change is defined as the characters that has a cladistic analysis that...

Q: Today you learned about the structure of chromosomes and some of the conditions that arise in humans...

A: Cell duplication is very complex and long process. For cell duplication preplanning is started from ...

Q: What color would the bacterial cells have when viewed theoretically under the microscope after the f...

A: The different colours given by gram positive and negative bacterias are as follows: 1) The gram stai...

Q: Use examples, briefly discuss how evidence is used to support evolution. Do you agree with the use o...

A: Evidence that supports evolution: Fossil record. Molecular biology Morphological evidence

Q: The success of renal transplantation depends on three human histocompatibility genes, HLA-A, HLA-B a...

A: Matching HLA antigens for an organ transplant is a very crucial and time consuming process as it is ...

Q: Describe the path a cell surface receptor will take when being synthesized (starting at the beginnin...

A: Cell surface receptors are receptors that are located on the plasma membranes of cells. They partici...

Q: The major primary producers at the base of the food chain in aquatic ecosystems usually belong to wh...

A: Primary producers in an aquatic exosystem are phytoplankton , algae and higher plants.

Q: How does species diversity increase the probability of adaptation and survival of organisms.

A: Introduction A species is the largest collection of organisms in which any two individuals of the ri...

Q: Question 7. You are studying two strands of DNA. They have exactly the same length, but the first on...

A: The melting temperature highly depends on the G+C ratio in a strand. More the ratio of G+C high will...

Q: Put the following events describing splicing in their correct order Write your answer like this 1 2...

A: Arrangement of process in series step by step from first to last :- 4 - 5 - 6 - 3 - 1 -2  

Q: Match items in Column A with most related ones in B. Write the letters on the space provided.

A: Electrophoresis  It refers to tbe technique through DNA, RNA, and proteins are separated in the basi...

Q: Upon dislodging cells from the plate, you had the following cell counts using 4 different squares of...

A: 1. Answer -  Number of cells/ml = Average number of cells per square * 104 The average number of cel...

Q: The macula densa 1.  is a component of the distal (straight) tubule 2.  responds to high levels of...

A: 3.responds to low levels of Na+ by releasing prostaglandins 3 only

Q: Basis of Comparison DNA RNA 1. Number of strands 2. Location in the cell 3. Type of sugar |4. Nitrog...

A:

Q: 1. Fill in this table: Mitosis Meiosis Type of reproduction (sexual or asexual) Fof cell'nuclear div...

A: "Since you have posted a multiple question we will answer the first question, if you want the specif...

Q: What are the following and where do you find them in an animal body. 1. Chondrocytes 2. Axons 3. Cil...

A: 1. Chondriocytes: Chondriocytes are the intercellular material of cartilage that is solid and pliabl...

Q: Which of the following would most likely be used to lyse bacterial cells so that their nucleic acids...

A: Recombinant DNA technology involves several steps in specific sequence such as isolation of DNA, fra...

Q: Question 5. Which molecules can maintain the ordered structure of collagen fibrils in the cornea?

A: Introduction Collagen fibrils are made up of quasihexagonally packed collagen molecules and are the ...

Q: Which process would be faster, natural, or artificial selection? Why?

A: Natural selection is a naturally occurring process while artificial selection is human-controlled pr...

Q: For a given stomatal conductance, how will an increase in atmospheric concentrations of CO2 possibly...

A: Answer 

Q: the forward primer used in this experiment incorporates part of the cell recognition site, GGCC. How...

A: The TAS2R38 gene in individuals encodes a protein known as taste receptor 2 member 38. TAS2R38 is a ...

Q: What are the characteristics of prokaryotic cells?

A: Bacteria, blue-green algae, mycoplasma, and the prokaryotic cell line PPLO are all examples of proka...

Q: During splicing, what molecular component of the spliceosome catalyzes the cutting out of the lariat...

A: Splicing: Splicing is the process in which the introns and the noncoding part of the genes are excis...

Q: . Describe social disparities, past and present, in the burden of health risks from the nuclear fuel...

A: Nuclear radiations are probably the worst external stimuli any living being can get. It is a complex...

Q: 4. How can bacteria cause mutation in their host? * A. It causes inflammation, breakage, and damage ...

A: * Mutations caused by environmental factors called as mutagens. *Types of mutagens can be Radiation...

Q: How does artificial selection, natural selection, genetic drift, mutation and recombination benefic...

A: Changes can be little, for instance, a little change in body size or an adjustment of the shade of a...

Q: Brown fur is dominant to white fur in rabbits. A brown rabbit is crossed with a white rabbit. This c...

A: It is given that brown fur is dominant over the white fur in rabbits.   

Q: 5. How does silent mutation affect protein production in the cell? Silent mutation A. changes the am...

A: Introduction:- A mutation is a change in our DNA sequence that happens as a result of errors in DNA ...

Q: What is the relationship between positional information and pattern formation? Give examples to illu...

A: The spatial organization of cell differentiation can be considered a pattern formation. This separat...

Q: Differentiate Widal from Weil-Felix test.

A: The Weil-Felix test detects typhus and specific rickettsial infections. Rickettsia is bacteria trans...

Q: Match the eukaryotic rRNA molecules with the proper ribosomal subunit. 55 FRNA [Choose ] 5.8S rRNA 4...

A:

Q: Explain the difference between Gram positive and Gram negative cell walls. Describe the procedure fo...

A: The bacteria are classified into Gram positive or Gram negative according to their nature of the cel...

Q: Explain thoroughly the means about sexual reproduction on animals .

A: Reproduction is the biological process of creating identical people. Most creatures reproduce via ma...

Q: 12.37. The pedigrees indicated here were obtained with three unrelated families whose members expres...

A: A pedigree chart is a diagram that shows the occurrence and appearance of phenotypes of a particular...

Q: In the koala, a newly created somatic cell (such as a skin cell) contains 16 total chromosomes. When...

A: The skin cells or somatic cells of koala are diploid and contain 16 chromosomes i.e., 2n=16. The som...

Q: What is time constant ? The steel ball bearings of 40 mm diameter and initially at uniform temperatu...

A: ANSWER;-  

Q: Define the following terms: A. genotype B. phenotype C. monohybrid D. dihybrid 5. Distinguish other ...

A: A gene  is made up of alternative forms called  alleles. For example Y and y are the two alternative...

Q: 5. Which of the following exercise pairings provides an ideal and most beneficial example of a super...

A: This is related to physiology of muscle action  Superset helps to combine to exercises which are per...

Q: WHAT KIND OF ANTIGEN WILL ANTI-A AND ANTI B DETECT?

A: * Antibodies are y shaped proteins also known as immunoglobulins they identifies antigens of invadin...

Q: After isolating the rough endoplasmic reticulum from the rest of the cytoplasm, you purify the RNAs ...

A: Translation is the process in which the mature m RNA is converted into a polypeptide chain of amino ...

Q: Heterozygous round, homozygous green seeded plants were mated with heterozygous yellow, homozygous w...

A: Let the allele describing shape of pea be R/r. RR or Rr represents round and rr represents wrinked. ...

Q: The enzyme sucrose splits the disaccharide sugar sucrose into the monosaccharides glucose and fructo...

A: Sucrose can be splitted to Glucose and Fructose and once this splitting occurs, the chirality of pro...

Q: Direction: Complete the table by providing the type of biodiversity measure being considered with ea...

A: Parameter Type of measure Importance Abundance It refers to the presence of total number of indivi...

Q: H J K C D E F.

A: Earthworm is a reddish brown terrestrial invertebrate that inhibits the upper layer of the moist soi...

Q: I need help with answer 2 and 3

A: Ans. 2 promoter sequence 

Q: What are the body forms of algae

A: Since you have asked multiple questions, we will solve the first question for you. If you want any s...

Q: Phenotype Genolype Humber MM LMLM 182 L LN LNLN MN 172 NN 44 Calculate the frequency of LM allele? p...

A: In population genetics, hardy weinberg principle is used to determine the frequency of the alleles p...

Q: if the heterozygous phenotype is intermediate between that of the homozygotes, this is called Multip...

A: According to Mendel's law of dominance, in heterozygous condition, the phenotype of only one of the ...