True or False: As studies continue to search for life in high-heat environments (e.g., black smokers and hot springs), it seems plausible that there is no upper temperature limit for microbial life
a. TRUE
b. FALSE
Answer: B
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Each nucleotide in a strand of DNA is composed of a(n) ____________________, a(n) ____________________, and a(n) ____________________
Fill in the blank(s) with correct word
During which mitotic phases are duplicated chromosomes present?
(a) all but telophase (b) prophase and anaphase (c) all but anaphase and telophase (d) only during metaphase at the metaphase plate (e) both b and b are correct
The manufacture of proteins from RNA and amino acids is referred to as
A) replication. B) activation. C) transcription. D) translation. E) transformation.
TRAIT SPECIESABCDE111011210010310011411111511111600010 The table shows the distribution of traits (A-E) in six extant species (1-6). A "0" indicates the ancestral condition, and a "1" indicates the derived condition. Which trait is least informative of phylogenetic relationships within the group?
A. A B. B C. C D. D E. E