What is the structure that holds the chromatids together?

A) centromere
B) chromatin
C) chromosomes
D) karyotype
E) none of these


Answer: A) centromere

Biology & Microbiology

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An amplified restriction fragment length polymorphism is a combination of the procedures for producing RFLP and STS markers

Indicate whether the statement is true or false

Biology & Microbiology

Name the supergroup and representative “protist” clade to which choanoflagellates belong. Why are

the choanoflagellates thought to be particularly important evolutionarily? What will be an ideal response?

Biology & Microbiology

Compounds are formed when

a. atoms of an element lose an electron. b. atoms of an element gain an electron. c. atoms of the same element join together. d. atoms of two different elements join together.

Biology & Microbiology

Which factor has so far kept gene therapy from becoming an effective treatment for genetic disorders?

A.) the difficulty of getting new genes to become part of a cell's DNA B.) the complexity of sequencing the entire human genome c.) the lack of success in finding genes that are responsible for genetic disorders D.) the ethical questions about making transgenic humans

Biology & Microbiology