1 2 4 3. RIGNE

Q: are part of the adaptive immune system and able to establish immunological and memory. These mark pa...

A: Immune response is defined as the process through which the body's immune cells recognise invading p...

Q: 2) Cross a pea plant that is heterozygous for purple flowers and homozygous dominant for yellow seed...

A: Heterozygous purple flower: Pp Homozygous dominant yellow seeds: YY Homozygous recessive green seeds...

Q: Galton put a lot of emphasis on investigating... a.Differences among individuals. b.Small samples. c...

A: Answer : Option (a) is correct. - differencea among individuals.

Q: mutant strain of E. coli produces β-galactosidase in both the presence and the absence of lactose. W...

A: Bacteria are microscopic, single-celled life forms that exist in their millions, in each climate, bo...

Q: Why don’t viruses expose their fusion loops prior to entry?

A: ANSWER;- Viral membrane fusion is the process by which encompassed infections enter host cells. It i...

Q: List at least five properties that DNA polymerases and RNA polymerases have in common. List at least...

A: Polymerases are the enzymes that catalyze the polymerization of monomers into a polymer.  

Q: Define heterozygous

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

Q: If saliva alone tests positive for either starch or glucose in both Benedict's Test and Iodine Test,...

A: Benedict's test is used to test reducing sugars . These include monosaccharides such as glucose and ...

Q: Question 14 In a double stranded DNA if the adenine content of a double-stranded DNA is 30% of the t...

A: According to Chargaff’s rule,  A=T and  G = C So, A + G = T + C  

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: Why do mammals convert ammonia to urea rather than simply excreting it, as fish do?

A: Mammals are the organisms that live on land. They have hair and fur. They are named so because their...

Q: Which of the following features is associated with the Watson and Crick model of the DNA? A a purine...

A: Introduction: The two DNA strands are antiparallel means that 5’ end of one strand faces 3’ end of o...

Q: Question 9 The structure of the transfer RNA assumes a more 3-dimensional structure because of the h...

A: The tRNA or transfer RNA is responsible for delivering amino acids at the site of translation. tRNA ...

Q: Which of the foll owing characteristi cs about homologous chromosomes in somatic cells is false? O T...

A: Option 1 is the correct answer as alleles can be different.

Q: What is the sequence of the sample DNA submitted for sequencing given the gel electrophoresis profil...

A: Sanger sequencing method is chain terminating method. 

Q: Is brachial the uppermost part of the upper extremities that is proximal to the trunk

A: Yes brachial is the uppermost part of the upper extremities that is proximal to the trunk.

Q: What is known as catabolite repression ?

A: Certain terms are fundamental concepts and terms used in biology, which is the study of life and liv...

Q: What events bring about the termination of translation?

A: Introduction: Translation is the process of polymerization of amino acids to form a polypeptide. the...

Q: The______ are parts of a mature seed. a. stamen, anther, and pollen grain b. embryo, food reserves, ...

A: Sexual reproduction is a natural interaction by which higher organisms, like well-evolved creatures,...

Q: organism that has an allele for a trait that is not expressed a. gene therapy b. genome picture of t...

A: Gene therapy It refers to the alternation of the genes inside the cells of the body to treat a disea...

Q: 6 The strategy of holding one reactant constant while the activity of a second is determined is impo...

A: The enzymes are biocatalyst that helps in performing specific chemical reaction within the living or...

Q: Write the consensus sequence for the following set of nucleotide sequences. AGGAGTT AGCTATT TGCAATA ...

A: A nucleic acid sequence is a group of five letters that indicates the sequence of nucleotides genera...

Q: Select the best answer or answers from the choices given: All of the following are considered innate...

A: Immune response is defined as the process through which the body's immune cells recognise invading p...

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 the following terms as they apply to the genetic code:a. Reading frameb. Overlapping codec. N...

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for y...

Q: e recessive allele

A: Microevolution on a small scale, is defined as a change in the frequency of gene variants, alleles, ...

Q: Which is the dominant form of DNA found in the cell? (A z BA с) н D) B

A: The self-replicating biomolecules, that are present in the chromosomes and carries genetic informati...

Q: Which of the following features is associated with the Watson and Crick model of the DNA? sugar-phos...

A: Introduction: Because the two DNA strands are antiparallel, the 5' end of one faces the 3' end of th...

Q: Which bases can exist in either keto or enol form

A: Tautomers are molecular isomers found in fluid or in cells. Chemical bonds are changed numerous time...

Q: . IQ scores predict school performance. T or F?

A: Intellectual capacity measured as intelligence quotient (IQ). It is one of the determinants of schoo...

Q: Briefly describe the lac operon and how it controls the metabolism of lactose.

A: A lac operon is a set of genes that share a single promoter. The genes in the operon code for protei...

Q: What are the advantages and disadvantages of using the Wet Mount technique?

A: As per bartleby guidelines, we are suppose to answer only one question kindly post other separately....

Q: Computer programmers, working with molecular geneticists, have developed programs that can identify ...

A: Transcription is the process of copying information from a strand of DNA into a new messenger RNA mo...

Q: Synaptonemal complex mediates of homologous chromosomes. Replication O Pairing Segregation Crossover...

A: The correct option is pairing In eukaryotes, the synaptonemal complex (SC) is a protein structure th...

Q: You have been asked to determine the bacterial count in a sample of water. The number of CFU from 1 ...

A: The CFU count is the number of viable cells per ml of the sample. The CFU count is done on the basis...

Q: Identify the nutrient: is an antioxidant; animal sources are more reliable than plant sources; defic...

A: Vitamin A  Common Name: Retinol Source: Yellow and green vegetables, fruits, milk and butter Defici...

Q: Which statement is not true? A. most people in the world cannot digest milk sugar as adults B.rabbit...

A: Question 1:-  A) Statement A is correct as 40% of humans stop producing enough lactase to digest mil...

Q: Erysipelothrix rhusiopathiae is a gram positive bacilli that survives in water contaminated by a sic...

A: Erysipelothrix rhusiopathiae is a gram-positive, rod-shaped, nonmotile, bacillus bacteria.

Q: 1. Which of the following justifies the expansion of the allantois in shelled amniotes? * a. It stor...

A:  The allantois is a respiratory organ that also functions as a reservoir for excreta. These temporar...

Q: What are the two basic types of terminators found in bacterial cells? Describe the structure of each...

A: A transcription terminator is a nucleic acid sequence which indicates the termination of a gene or o...

Q: Draw an RNA nucleotide and a DNA nucleotide, highlighting the differences. How is the structure of R...

A: Introduction: All living organisms are made out of nucleic acids. Linear chains of monomeric nucleot...

Q: Represents innate immune system receptors

A:  Innate immunity- are the responses which are first line of defense against invading pathogens. The ...

Q: If 4% of human and chimpanzee DNA differs, how many base pairs differ between the two species? (Hint...

A: Deoxyribonucleic acid is a molecule made up of two polynucleotide chains that coil around each other...

Q: Name and describe several features that determine the shape of ecological systems.?

A: An ecological system is also known as an ecosystem. The ecosystem is defined as the interaction betw...

Q: 1.: Male side-blotched lizards display throat color polymorphisms; some males have orange throats, s...

A: There are three allele in the population which are  o,y and b. According to Hardy Weinberg equilibri...

Q: Explain why mutations in the lacI gene are trans in their effects, but mutations in the lacO gene ar...

A: "Gene regulation" is described as "any type of modification in the gene that results in a different ...

Q: What are isoaccepting tRNAs?

A: Ribonucleic acid (RNA) is a polymeric molecule that plays a variety of roles in biology, including g...

Q: What is the significance of the fact that many synonymous codons differ only in the third nucleotide...

A:

Q: What is the DFV of a 40x objective lens if the DFV of a 10x objective lens is 3 mm? Express your ans...

A: Microscope is an instrument which is used to view the microorganisms which cannot be seen by naked e...

Q: 6. Suppose a particular gene is required for early development and also later for development of a p...

A: ANSWER;- The Gal4 (galactose) gene articulation is directed by Gal80. The Gal4 gene protein initiat...