How many antigen-binding sites does an antibody usually have? 4 1 2

Q: Where does the Holobiant fit on the tree of life? One's with many eyes (when sensitive introverts pr...

A: Natural selection can also give certain people a reproductive edge over others. Natural selection wo...

Q: There were ape smugglers wreaking havoc on populations of orangutans, chimpanzees, and bonobos. What...

A: Endangered ape species include orangutans, chimpanzees and bonobos Chimpanzees and bonobos are close...

Q: What is catalase and why do some microorganisms have it? Name two other types of bacteria that are c...

A: Introduction: Bacteria is a single celled prokaryotic organism. Their cell structure is simpler than...

Q: How is it that the insects form legs only in their three thoracic segments and have no legs on their...

A: Arthropods are animals with jointed appendages that account for more than 90% of all animals in the ...

Q: Sketch    a    DNA    molecule    to    show:    double    strands,    complementary    base    pair...

A: Answer 

Q: Expain the species of soil bacterium ?

A: There are majorly three types of soil bacteria. These bacteria have the ability to fix nitrogen with...

Q: Explain about Genomic techniques ?

A: Introduction  Genome is basically consisting of DNA which is composed of deoxyribose nucleotides. Th...

Q: X-chromosomes. A mammalian cell has 3 Barr bodies, therefore it must have a total of

A: An inactivated X chromosome can be called a barr body For a barr body to exist a cell must have at l...

Q: 1. Look for three articles about "PROTIÊN STRUCTURE RESEARCH" and summarize them. 2. Answer these su...

A:  Proteins are unbranched polymers constructed and composed of  four levels of structural organizatio...

Q: A plasmid that is both ampicillin and tetracyclineresistant is cleaved with PstI, which cleaves with...

A: The tetracycline resistance gene is present in the recombinant plasmid. To select the recombinant pl...

Q: the effect of bpa on  STAT1 and STAT3 phosphorylation in RAW264.7 cells

A: Marcrophages are not only the part of our innate immune system, but also they actively participate i...

Q: First is the occurrence of (1) found in geologic strata. Write the answer for #1

A: Introduction Strata are layers of rock, it forms during sediment deposition, that is, the laying dow...

Q: One can easily envision other body plans by imagining animals that do not exist; science fiction wri...

A: Envisioning and Execution are two things which have a significant difference. Envisioning can be don...

Q: 1. List 3 factors within the problem description that have contributed to the development of dehydra...

A: Note- since we are allowed to do one question at a time, so I can answer 1st question only. for othe...

Q: Why is the Calvin Cycle referred to as the dark reactions, or light-independent reactions?

A: Introduction Calvin Cycle:- The Calvin cycle is part of photosynthesis, The cycle of chemical reacti...

Q: Explain how botox injection produces such desired result. Use the images as guide to the answer

A: Botulinum toxin (BoNT), sometimes known as Botox, is a neurotoxin produced by Clostridium botulinum ...

Q: "Plasmids are still the workhorses for many applicationsof recombinant DNA technology". Define the i...

A: Introduction  Microorganisms such as bacteria, viruses, etc. are not just pathogenic and harmful but...

Q: Explain the process of Cloning DNA into smaller vectors ?

A: Introduction :- DNA cloning is a molecular biology procedure that duplicates a fragment of DNA, such...

Q: A plasmid that is both ampicillin and tetracyclineresistant is cleaved with PstI, which cleaves with...

A: A plasmid is a small extrachromosomal DNA molecule that exists in a cell and is physically distinct ...

Q: After fertilization, the _______________ develop(s) into a fruit and the _______________ develop(s) ...

A: Fertilization in plants (flowering) is called Double fertilization in which there are two sperm cell...

Q: 5. When a person assumes sitting from standing, the knee is flexing. A. When performing this moveme...

A: Note: As per Bartleby Guidelines For Remaining Answers Please Repost The Question. Introduction: Fem...

Q: Genotypes: Phenotypes: Genotypic Ratio: Phenotypic Ratio

A: PHENOTYPE It is the external and morphological appearance of an organism for a particular character....

Q: What are the differences between Bacteria and Viruses?

A: Virus do not have cells whereas bacteria are unicellular. Bacteria are living organisms and virus ar...

Q: 2. Male dragonflies of one species are unable to grasp the abdomen of female dragonflies of a differ...

A: Note: As per Bartleby Guidelines For Remaining Answers Please Repost The Question. Introduction: Rep...

Q: Having freckles is determined by a dominant allele (F); no freckles is determined by a recessive all...

A: Genotype is a genetic makeup of an organism which controls the specific trait or group of trait whic...

Q: Which phase of cellular respiration results in the greatest amount of ATP?

A: Ans - Oxidative Phosphorylation/ Electron Transport System phase of cellular respiration produces th...

Q: Explain the function of a fluid-transport/circulatory system.  How does it relate to diffusion?

A: Fluid transport/Circulatory system: The circulatory system is responsible for the transportation of ...

Q: What Are the Differences Between Eukaryotic and Prokaryotic Cells?

A: Cells are the basic , structural , functional and fundamental unit of life.  So if we break apart an...

Q: 1. An ebony strain of flies was discovered to be sensitive to carbon dioxide. Crossing a female sens...

A: The cross between a female sensitive strain and a male resistant strain gave all sensitive offspring...

Q: QUESTION 5 Match the term to the correct description. + Blastomeres A. Small cells formed during cle...

A: Match the term to the correct description. 

Q: First Second Letter Third Letter U A G Letter phenylalanine phenylalanine serine tyrosine cysteine U...

A: Gene is present in the DNA. It is made up of sequence of nucleotides. It encodes a protein.

Q: Reverse transcriptases do not proofread as they synthesize DNA using an RNA template. What do you th...

A: Introduction A reverse transcriptase is an enzyme that produces complementary DNA from an RNA templa...

Q: There were chromosomes in the cell that were replicated during S of Interphase. How many chromosomes...

A: The S phase of Interphase is responsible for the chromosomal replication and results into double the...

Q: The diversity of life is explained by the theory of evolution. Living things on Earth evolve by (1);...

A: People thought that you living things appear all the time through spontaneous generation from both n...

Q: Refer to the food web at the top of the page. Which terms describe the mountain lion? Select all tha...

A: Introduction Food web:- A food web consists of all the food chains in a single ecosystem, it is the ...

Q: Condition: In photosynthesis there are various kinase enzymes that convert ATP --> ADP + Pi. A mutat...

A: In order to understand what photosynthesis is, we must first understand what plants need in order to...

Q: Please answer fast Complete the table by selecting the appropriate answer. zone of proximal develo...

A: Child development is one of the most crucial periods in a person's life. From infancy until early ad...

Q: Match the items. a. binge eating disorder b. hyperplasia c. ghrelin d. bulimia nervosa e. basal meta...

A: Introduction The disorder is an illness that disrupts normal physical or mental functions, it is an ...

Q: Question 28 FLAO QUESTION What event occurs in the second stage of Labour? Answers A- E A expulsion ...

A: Labor pain is accompanied by several stages. This stages starts from the pain and ends at the childb...

Q: What are the differences between direct and indirect life cycles? Give two (2) representative parasi...

A: Parasites are the organisms which lives and reproduce inside other organisms known as host.

Q: There is now significant evidence to support the existence of cytoneme-mediated delivery of signalin...

A: Cytoneme: it is signalling filopodia that provide conduit for spatial distribution of morphogen. Thi...

Q: A homozygous red flowered plant (RR) is crossed with a homozygous white plant (rr). Justify your ans...

A: A Trait is characteristic features that is unique to particular individual . A monohybrid cross is a...

Q: Options : Sex XY mutations reversal SRY feminization

A: Sex determination is the process that determines the biological sex of an offspring. Humans develop ...

Q: Refer to the food web at the top of the page. Which organism occupies trophic level 2? Food Web Wolf...

A: Please follow step 2 for a detailed explanation

Q: 3. The laboratory technician dilutes her sample serially 1:10 and plates the following dilutions: 10...

A: The technician dilutes the sample in 1:10, 1:100, 1:1000, 1:10000, 1:00000, 1:1000000 dilution seria...

Q: Explain why I− alleles in the lac system are normally recessive to I+ alleles and why I+ alleles are...

A: The I gene is the gene that is used for determining  the process of synthesis of a repressor molecul...

Q: What would happen to the ability of bacteriophage λ tolyse a host cell if it acquired a mutation in ...

A: lambda phage or Escherichia virus Lambda is a bacteriaophage that infects E.coli. The virus is able ...

Q: Define the different types of Types of Cloning Vectors ?

A: A cloning vector is a small piece of DNA, into which a foreign DNA fragment can be inserted for mult...

Q: What characters distinguish fungi from other organisms?

A: Introduction The kingdom Fungi, which includes yeasts, rusts, smuts, mildews, moulds, and mushrooms,...

Q: 1. An ebony strain of flies was discovered to be sensitive to carbon dioxide. Crossing a female sens...

A: Reciprocal cross is done by crossing the parent pair in normal and reciprocal fasion like A*B & ...

Immune Disorders

The collaboration between the cells and proteins that work together as a defense system against infection comprises the immune system.Each of them performs a variety of tasks to recognize and/or react against a foreign body.