On a phylogenetic tree, each node (branchpoint) represents a divergence event, and the length of the branches represents the number of molecular changes that have taken place between the nodes.

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


True

Biology & Microbiology

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Which of the following is primarily responsible for the maternal effect?

A. Sperm cells B. Oocytes C. Nurse cells D. Placenta

Biology & Microbiology

In a flower, an anther is typically at the tip of a(n) ____

a. calyx b. receptacle c. carpel d. filament e. ovule

Biology & Microbiology

The creosote bush exhibit ____, an adaptation that evolved as a response to their biotic environment

a. chemical defenses to deter carnivores b. 9,chemical defenses to deter herbivores c. drought tolerance d. high success rates of seed germination e. low rates of clonal asexual reproduction

Biology & Microbiology

The bases are bonded to what part of the backbone of the DNA molecule?

a. the 1' carbon atom of the sugar molecule b. the 2' carbon atom of the sugar molecule c. the 3' carbon atom of the sugar molecule d. the 4' carbon atom of the sugar molecule e. the 5' carbon atom of the sugar molecule

Biology & Microbiology