Define the following terms: • Oceanography • Marine Biology • Ocean Productivity • Plankton

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Oceanography is the study of the oceans and their phenomena. Marine biology is the study of living marine organisms and their interactions with other marine organisms and the physical environment. Ocean productivity is the amount of food marine organisms can produce and the number and the number of organisms the oceans can support. Plankton are organisms that float in the ocean, form the base of the oceanic food web, and are not capable of substantial horizontal movement.

Biology & Microbiology

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Kinases are enzymes that can phosphorylate (transfer phosphate groups onto) macromolecules such as proteins. A particular kinase, Kinase 1 is known to promote cell division. It promotes cell division by phosphorylating Protein X. Phosphorylation of Protein X activates Protein X. Once activated, Protein X stimulates the production of other proteins such as Protein Y and Z that directly promote

cell division. In order to function, Kinase 1 requires the presence of Metal A. However, in the presence of Protein A, Kinase 1 is nonfunctional. From the description, what is considered the substrate of Kinase 1? A. Protein X B. Protein Y C. Protein Z D. Metal A E. Protein A

Biology & Microbiology

What is the difference between a chromosome and a chromatid?

What will be an ideal response?

Biology & Microbiology

The most stable parts of a cell’s cytoskeleton are the

a. microfilaments. b. microtubules. c. motor proteins. d. pseudopods. e. intermediate filaments.

Biology & Microbiology

In codominant inheritance, ____

a. there is partial phenotypic expression of one member of a gene pair in the homozygous condition b. there is full phenotypic expression of both members of a gene pair in the heterozygous condition c. the interaction of two or more non-allelic genes controls a single phenotype d. two recessive alleles interact and express themselves as a single dominant trait e. the phenotype of a heterozygote is intermediate to those of the parents

Biology & Microbiology