________ demonstrated that there were equivalent amounts of adenine and thymine and equivalent amounts of guanine and cytosine.

Fill in the blank(s) with the appropriate word(s).


Erwin Chargaff

Biology & Microbiology

You might also like to view...

Humans can see objects as small as 0.1 mm. Leeuwenhoek's best microscope could magnify objects to 300X. Which of the following would be invisible using Leeuwenhoek's microscope?

A. Red blood cell, 8 ?m B. Poliovirus, 30 nm C. Pandora virus, 0.5 mm X 1 mm D. Escherichia coli, 1 ?m X 4 ?m

Biology & Microbiology

TRH is a type of ________ hormone secreted by the ________

A) steroid; thyroid gland B) releasing; hypothalamus C) peptide; thymus D) releasing; anterior pituitary

Biology & Microbiology

The work of (Needham/Redi/Spallanzani) using infusions in sealed vials provided strong evidence that spontaneous generation does not occur

What will be an ideal response?

Biology & Microbiology

Skin accounts for nearly 15% of the weight of an average human.

Answer the following statement true (T) or false (F)

Biology & Microbiology