Chromosomes are composed of two chromatids during 

A. gap 1.
B. telophase.
C. metaphase.
D. anaphase.


C. metaphase.

Biology & Microbiology

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Lizards and snakes are living members of this lineage

a. Testudines b. Archosauromorpha c. Squamata d. Sphenodontia e. Amphibia

Biology & Microbiology

The trunk is composed of what?

What will be an ideal response?

Biology & Microbiology

The spindle fibers are made up of

A) golgi bodies B) microtubules C) microfilaments D) intermediate filaments

Biology & Microbiology

Sequence-tagged sites (STS) are used to assemble DNA maps from a given species.  STSs are useful in this regard because

A. they generate DNA fragments of a reasonable size for mapping. B. they are only found in genes, not in noncoding DNA. C. each STS is found many times within the genome. D. they provide a way to order DNA fragments.

Biology & Microbiology