What is most likely the amount of energy available at a trophic level of primary consumers if the amount of energy available to secondary consumers in that food web is 200 kilocalories

Part a - analyzing the gene pool of a hypothetical population a hypothetical population of 200 cats has two alleles, tl and ts, for a locus that codes for tail length.

The plasma membrane is composed of a phospholipid bilayer with embedded proteins. What is one of the functions of the embedded proteins? A. protecting the cell from physical harm B. defining the cell's structure and shape C.

What proteins are used in active transport?

Information that can be independently verified by any trained person is called which of the following?

The normal pacemaker of the heart is the

One source of groundwater pollution is pesticide runoff from crop fields. How could artificial selection be used to address this problem? A. Farmers select plants that are most resistant to pests, which reduces the need for pesticides. B.

The trp operon in E. coli regulates genes that code for enzymes required for synthesis of the amino acid tryptophan. the trp operon is repressible operon.

Nylon fiber is classified under which one of these headings? A. Protein B. Polyurethane C. Polyester D. Polyamide

What cells were chloroplast present in? What did they look like in the various cells?

Enzymes are part of chemical or mechanical