What are heterochromatin and euchromatin?
What will be an ideal response?
Ans: Chromatin is the chromosomal material visible in the nucleus using microscopy. Heterochromatin is more densely packed and stains more darkly, while euchromatin is less densely packed and stains more lightly.
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Unsaturated fatty acids are those containing carbon-carbon ________ bonds.
Fill in the blank(s) with the appropriate word(s).
What is a unique feature of some New World monkeys that Old World Monkeys do not have?
a. long limbs b. four footed c. prehensile tail d. opposable thumb e. nostrils directed downward
Explain how genetic mutations that cause neurodegenerative disorders such as Huntington disease and Alzheimer disease can also cause abnormal behavior
What will be an ideal response?
Which type of digestion begins as a result of our teeth chewing food into small pieces?
A) synthetic B) chemical C) enzymatic D) mechanical