Ectotherms often regulate their body temperatures by ____ means
Fill in the blank with the appropriate word.
behavioral
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The sequence of nucleotides in a DNA molecule is called the ________ code.
A. protein B. ribosomal C. translation D. genetic E. amino acid
The chemical reactions in cells are called ____
a. substrate b. coenzymes c. receptor sites d. metabolism e. active site
Assume that you have a garden and some pea plants have solid leaves and others have striped leaves. You conduct a series of crosses [(a) through (e)] and obtain the results given in the table
Cross Progeny solid striped (a) solid × striped 55 60 (b) solid × solid 36 0 (c) striped × striped 0 65 (d) solid × solid 92 30 (e) solid × striped 44 0 Define gene symbols and give the possible genotypes of the parents of each cross.
A fish with a cartilaginous skeleton and paired fins would be in the group:a
Actinopterygii. b. Crinoidea. c. Cephalochordates. d. Urochordates. e. Chondrichthyes