Which of the following is not a species within the genus Homo?

A. Homo habilis
B. Homo sapiens
C. Homo erectus
D. Homo ramidus
E. Homo floresiensis


Answer: D

Biology & Microbiology

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The first step in the scientific method is to

a. identify a problem. b. propose a solution. c. predict the results of an experiment. d. perform an experiment. e. draw a conclusion.

Biology & Microbiology

When a signaling molecule binds to a G protein linked receptor, the ligand-receptor complex associates with GDP

protein and causes GDP to be replaced by GTP. __________________ Indicate whether the statement is true or false.

Biology & Microbiology

If a stretch of human double stranded DNA contains 47% G and C bases, then ____

a. it contains 47% A and T bases b. there are more pyrimidines than purines c. there are more purines than pyrimidines d. it contains 53% A and T bases

e. there are no genes in this stretch of DNA

Biology & Microbiology

It is speculated that one of the first kinds of organic molecules formed on primitive Earth was 

A. amino acid. B. ammonia. C. oxygen. D. protein.

Biology & Microbiology