Microbiology Quiz 1

The cell organelle responsible for the packaging of proteins is the

• ribosome.

• golgi complex.

• rER

• lysosome

Tags

NGSS.MS-LS1-2

Put Koch's Postulates in order the proper order.

(1) The microbe can be isolated and grown in pure culture outside of the host

(2) The same microorganism must then be isolated from the inoculated animal

(3) The microbe must be present in every animal with the disease, and absent in healthy.

(4) The cultured microorganism must cause the same disease in inoculated animals

• 3, 4, 2, 1

• 2, 4, 1, 3

• 3, 1, 4, 2

• 1, 2, 3, 4

The intracellular fluid has a high concentration of

• sodium.

• potassium

• bicarbonate

• sulfate

Particles of an atom located in the outermost shell and available for chemical bonding are called

• valence electrons.

• isotopes

• excess electrons.

• neutrons

Protons are

• located in the shells.

• part of the atomic nucleus.

• negatively charged.

• uncharged particles.

The atomic number equals the number of

• protons.

• neutrons

• electrons

• protons and neutrons.

The breakdown of large molecules into smaller ones in the presence of water is called __________.

• hydrolysis

• dehydration synthesis

• anabolism

• photosynthesis

The unit molecules (monomers) of carbohydrates are

• monosaccharides

• amino acids.

• nucleic acids.

• fatty acids.

Which of the following cell organelles contain digestive enzymes?

• Mitochondria

• Chloroplasts

• Lysosomes

• Peroxisomes

“Animalcules” were first described by

• Robert Hooke.

• Antony van Leeuwenhoek.

• Louis Pasteur

• Robert Koch