In rivers and streams, the invertebrates that scrape algae off rocks are referred to as shredders
Indicate whether the statement is true or false
FALSE
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Many genes encode proteins that are always needed by a cell, and therefore are always expressed. Such genes are
known as: a. repressible. b. promoter. c. constitutive. d. inducible. e. operons.
In DNA replication, _______________________ pairs with thymine, and cytosine pairs with _______________________.
adenine, guanine guanine, adenine cytosine, thymine purine, alanine none of the answer choices are correct adenine, guanine
Please match the specific immune response phase with the statements that most accurately describe them to test your understanding of the overall phases in a specific immune response.
Involves helper T cells and cytotoxic T cells A) Antigen-Independent Development B) Antigen Contract C) Humoral Immunity D) Cell-Mediated Immunity E) Antigen Presentation
A forest community is made up of thousand of species of organisms and can exist practically unchanged for hundreds of years. This stability is due to the
a. diversity of organism present b. abundance of insects that feed on plants c. changes in the climate of the area d. lack of decomposers in the forest