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Biochemistry Basics

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Questions and Answers

What are the three fields into which biochemistry may be divided?

Structural biology, enzymology, and metabolism (correct)

Genetics, microbiology, and immunology

Botany, zoology, and ecology

Physiology, anatomy, and pathology

Which molecules does biochemistry primarily focus on?

Vitamins, minerals, and antioxidants

Hormones, neurotransmitters, and enzymes

Proteins, nucleic acids, carbohydrates, and lipids (correct)

Toxins, pollutants, and carcinogens

What does biochemistry focus on understanding?

The chemical basis for biological processes (correct)

The behavioral patterns of organisms

The ecological interactions between species

The physical characteristics of living organisms

What is biochemistry closely related to?

Molecular biology Signup and view all the answers

What does the chemistry of the cell depend upon?

Reactions of small molecules and ions Signup and view all the answers

What is the main advantage of preimplantation genetic diagnosis (PGD) when used to screen for a specific genetic disease?

It avoids selective abortion and makes it highly likely that the baby will be free of the disease Signup and view all the answers

What technique is advisable to obtain embryos for evaluation in preimplantation genetic diagnosis (PGD)?

Blastocyst biopsy around day 5 or 6 of development Signup and view all the answers

What does the term preimplantation genetic screening (PGS) refer to?

Testing whether embryos have abnormal chromosomes' number Signup and view all the answers

What is the primary requirement for obtaining oocytes or embryos for evaluation in preimplantation genetic diagnosis (PGD)?

In vitro fertilization (IVF) Signup and view all the answers

Who performed the world's first preimplantation genetic diagnosis (PGD)?

Handyside, Kontogianni, and Winston at the Hammersmith Hospital in London Signup and view all the answers