Question

Please answer all

Which two organelles were specifically discussed in regards to endosymbiosis theory?

		A) prokaryotes and eukaryotes
		B) mitochondria and chloroplasts
		C) mitochondria and Golgi bodies
		D) chloroplasts and Golgi bodies

Which of these bacterial grow media is used for detection of "Strep Throat"?

		A) Sheep Blood agar
		B) X-gal plates
		C) MSA (mannitol salt agar)
		D) EMB (Eosin-Methylene Blue) agar

Which subatomic particles has a positive charge?

		A) protons
		B) electrons
		C) neutrons
		D) none of these

Fermentation _________.

		A) occurs in anaerobic conditions
		B) can produce lactic acid
		C) can produce ethanol
		D) all of these

Which subatomic particle is neutral (no charge)?

		A) protons
		B) electrons
		C) neutrons
		D) none of these

Answer 1

1) B

The two organelles which shows bacteria like characteristics are mitochondria and chloroplasts. Endosymbiotic theory suggests that some of the cell organelles in eukaryotic cells were having prokaryotic characteristics.

2)A

Primary selective medium for streptococcus is sheep blood agar.

3)A

Protons have positive charge .

Basic subatomic particles are electron,neutron and proton .

4)D

All the above statements about fermentation are true. Fermentation occurs in anaerobic condition and its products are organic acids, alcohol and carbon dioxide .

5)C

Neutron are having no charge .