Which of the following is not a part of environmental science? a. interactions of organisms and the environment b. human impact on the environment c. organism interactions d. the components of a cell select the best answer from the choices provided

Which statement best describes the relationship between an allele and a gene? question 1 options: an allele is a variation of a gene that can be expressed as a phenotype. an allele is the part of a gene that attaches to messenger rna molecules. an allele is a segment of a dna molecule that controls replication of a gene.

What are the student's observations and inferences before he starts his investigation?

What is it called when part of a cell membrane closes around a molecule to allow the molecule to enter the cell? a. passive transport b. diffusion c. endocytosis d. exocytosisc. endocytosis