Describe how Active Transport works. Make sure to include the following:
1. Pumps
2. Endocytosis
3. Exocytosis
4. Concentration Gradients
5. Proteins
6. Examples of molecules that uses passive transport
7. Energy Requirements
HELP!

Which group is noted for the independence of gametophyte and sporophyte generations from each other? a) ferns b) mosses, hornworts, and liverworts c) charophytes d) angiosperms e) gymnosperms

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 is the difference between an igneous, sedimentary and metamorphic rock