What is Down's syndrome? Give its symptoms and cause. Why is it that the chances of having a child with Down's syndrome increases if the age of the mother exceeds forty years?

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A: Answer  32)answer:  a) small membrane bound vesicles containing enzymes. 

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A: what are marker chromosomes and why can spectral karyotyping detect them? Introduction: A marker chr...

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A: Biogeography is a study of distribution of species across a geographic plane and shape  

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A: PCR is referred to as Polymerase Chain Reaction. It was discovered by a biochemist, Kary Mullis. It ...

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A: Cancer is a very complex and molecular disease that involves alternation of different molecules with...

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Q: What type of respiration is used if oxygen is absent

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A: During EMT transition  there is loss of cell polarity as well as adhesion property of epithelial cel...

Q: which of the following is a primary function of the active site of an enzyme?

A: Given: Enzymes are the largest and most specialised class of protein molecules. They are composed of...

Q: ifferentiate signs vs. symptoms of plant

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Q: ba saud əigissod au əg pinoɔ OUM Blood Types Blood type B Blood type O Blood type AВ Possible Parent...

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Q: If you had to choose between losing function of your B or T cells, which would you choose, and why?

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Q: 10. What are the problems that vertebrates needed to solve to adapt to the terrestrial environment s...

A: The following were the main issues that water-loving vertebrates had to overcome in order to adapt t...

Q: Where does the 5’ cap come from ?

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Q: Thoroughly explain the difference between simple diffusion, facilitated diffusion, and active transp...

A: Simple diffusion is a type of passive transport which as the name suggests, is simply the unassisted...

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Q: 79. PCR is a useful tool for early diagnosis of an infectious disease. Comment.

A: Introduction From the above question we will comment on PCR which is useful tool for the early diagn...

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A: References:- For a science fair project, a reference citation (also known as author-date citation) i...

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Q: 7) Osteogenesis imperfecta (OI), also known as brittle bone disease, lead to fragile bones that tend...

A: Autosomal recessive inheritance is a genetic trait that is passed on to the offspring from parents. 

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Q: . Draw the melting curve for primer annealing, labeling the axes. Label the position of the annealin...

A:

Q: In your own words, Make a reflection about the Subject Personal Identification of Fingerprint and De...

A: Criminology is a study of the non legal aspects of crime. 

Q: Please answer fast Which type of cells normally drive class switching to IgE and how? How might the...

A: Answer 

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A: The Non flowering plants : gymnosperms,ferns,mosses,liverworts,horn worts, psilotales , club mosses ...