Why are sea squirts and lancelets referred to as invertebrate chordates?
What will be an ideal response?
They possess all of the characteristics of chordates but do not have a vertebral column.
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What is the second law of thermodynamics? a. Energy can be created by atomic reactions
b. Energy cannot be created or destroyed. c. Energy is destroyed when it is converted from one form to another. d. Only living organisms have energy. e. Energy tends to spread out spontaneously.
Homologous chromosomes have which of the following?
a. the same genes at the same locus b. the same genes at different loci c. different genes at the same locus d. different genes at different loci
Which of the following is not a C3 grass?
a. wheat. b. oats. c. barley. d. rice e. legumes.
A. Define a gene
B. Consider two different species of yeast that have similar genome sizes. Is it likely that they contain the same number of genes? A similar number of chromosomes? What will be an ideal response?