BILD 10 Midterm 2 Review

This type of microscopy uses visible light to illuminate a sample.

• Light

• Fluorescence

• Electron

• Neon

This type of ratio limits cell size and influences cell shape.

• volume ratio

• surface-to-volume ratio

• cell ratio

• shape ratio

A _______ is a community of single-celled organisms living within a shared mass of slime.

• biofull

• chloroplast

• biofilm

• plasma

A nucleus and other membrane-enclosed organelles are characteristic of eukaryotic cells.

• true

• false

lipid bilayers are described as being _____.

• hyperpermeable

• hypopermeable

• osmosis

• selectively permeable

Water diffuses through a selectively permeable membrane, from hypotonic to a hypertonic fluid. This is called _____.

In this type of diffusion, a solute follows its concentration gradient through a transport protein. (requires no energy input)

• active

• facilitated

• help

• non-energy

Phagocytosis is a form of exocytosis in which cells engulf particles.

• true

• false

_____ cells have 2 copies of each chromosome.

• diploid

• haploid

Information encoded in the sequence of nucleotides in DNA occurs in units called _____.

• plasma

• genes

• nucleotides

• bases