Pearson, as an active contributor why 2 enzymes are used during dna replication the biology learning community, is pleased to provide free access to the Classic edition of The Biology Place to all educators and their students. The purpose of the activities is to help you review material you have already studied in class or have read in your text. Some of the material will extend your knowledge beyond your classwork or textbook reading. At the end of each activity, you can assess your progress through a Self-Quiz. To begin, click on an activity title.
Concept 1: How Do Restriction Enzymes Work? Concept 11: Allelic Frequency vs. Concept 3: How Do Guard Cells Function? Concept 5: The Genetic Code: RNA vs. The precocious development of sexual maturity in a larva.
The retention in an adult organism of the juvenile features of its evolutionary ancestors. The enzyme catalysed hydrolysis of soluble starch study of fossils. In vertebrates, a small, complex gland located between the stomach and the duodenum, which produces digestive enzymes and the hormones insulin and glucagon. The supercontinent formed near the end of the Paleozoic era when plate movements brought all the land masses of Earth together. Pertaining to a taxon that excludes some members that share a common ancestor with members included in the taxon.
An organism that absorbs nutrients from the body fluids of living hosts. Four endocrine glands, embedded in the surface of the thyroid gland, that secrete parathyroid hormone and raise blood calcium levels. Members of the subkingdom of animals consisting of the sponges. A relatively unspecialized active site of an enzyme structure cell type that carries most of the metabolism, synthesizes and stores organic products, and develops into more differentiated cell types.