Facilitated diffusion is used to transport:

What will be an ideal response?


sugars and amino acids

Biology & Microbiology

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As the director of a new non-profit functional genomics research center, it is your job to oversee the set up of each laboratory necessary for achieving the center's research goals. Therefore, you plan to include a (Select all that apply)  

_____  DNA microarray facility. _____  proteomics lab. _____  lab to improve sequencing speed and cost. _____  mutagenesis facility. _____  ancient DNA laboratory.

Biology & Microbiology

Answer the following statements true (T) or false (F)

1. Rivets hold steel structures together much in the same way as tight junctions hold cells together. 2. Integrin is a membrane protein that integrates changes in the ECM to alterations in movement or behavior of the cell. 3. Unlike animals, plants lack a cell junction where small molecules can move from one cell to another cell. 4. The heart, skeletal muscles, and blood vessels all share a common feature in that they are composed of muscle tissue. 5. The most prominent tissue type present in plants is the dermis.

Biology & Microbiology

Which statement about bacteria is FALSE?

a. Some bacteria can photosynthesize. b. Bacteria are important decomposers. c. A small percentage of bacteria are pathogenic. d. Bacteria are not cellular and are sometimes not classified as life forms. e. Bacteria convert atmospheric nitrogen into ammonia and then nitrates that can be used by plants.

Biology & Microbiology

Charles Darwin and his son experimented with which plant growth response?

A. phototropism B. circadian rhythms C. heat shock D. gravitropism E. thermotropism

Biology & Microbiology