Q1 suppose after washing your hands you leave ten bacterial, Ask an Expert

Academics

Q1. Suppose after washing your hands, you leave ten bacterial cells on the new bar of soap. You next decide to do a plate count of the soap after it is left in the soap dish for 24 hours. You dilute 1g of the soap 1:10 and plate it on a standard plate count agar. After 24 hours of incubation, there are 168 colonies. How many bacteria were on the soap? How did they get there?

Q2. Some photosynthetic bacteria (for example purple sulfur bacteria) have photosystem I but not II, while others have both PSI anxd PSII. Which is the might this observation implies?

View complete question

Biology, Academics

Category:- Biology
Reference No.:- M9722748

Have any Question?Write your Review or question?

Related Questions in Biology

Describe the form of endocytosis that involves the movement

Describe the form of endocytosis that involves the movement of large amount of liquid into the cell.

Why biologically is evolved resistance to crop pests

Why, biologically, is evolved resistance to crop pests inevitable?

Question phytoplankton chemosynthesis and mitochondriafor

Question: "Phytoplankton, Chemosynthesis, and Mitochondria" For your primary post, please respond to one of the following three topics with a post of at least 125 words that addresses each point given in the instructions ...

Oxidative decarboxylationwhat is itwhat are the

Oxidative decarboxylation What is it? What are the reactants? What are the products? What is the net ATP gain? Where does it take place in prokaryotes vs eukaryotes?

Krebs cycletca cyclewhat are the reactantswhat are the

Krebs Cycle/TCA cycle What are the reactants? What are the products? What is the net ATP gain? Where does it take place in prokaryotes vs eukaryotes?

Calculate the concentrations at eqbm of h2co3 hco3- co32-

Calculate the concentrations at eqbm of H2CO3, HCO3-, CO32-, and H+ in a saturated aq solution of H2CO3 in which the original concentration of H2CO3 is 0.034M (Ka1= 4.3*10^-7, Ka2 = 4.8*10^-11)

Title titer mtl what do you mean when you refer to the

Title Titer MTL: what do you mean when you refer to the burst size of a phage? How will burst size affect your Titer?

Why chemically is nitrogen not more available to living

Why, chemically, is nitrogen not more available to living things? I am looking for the simple chemical reason here

2croh3nbspnbsp3br2 10oh-6br-nbspnbsp2cro42- 8h2oin the

2Cr(OH) 3 + 3Br 2 + 10OH - 6Br - + 2CrO 4 2- + 8H 2 O In the above redox reaction, use oxidation numbers to identify the element oxidized, the element reduced, the oxidizing agent and the reducing agent.

Use of molecular tools and bioinforrnatics in the diagnosis

Use of Molecular Tools and Bioinforrnatics in the Diagnosis Characterization of Enteric Pathogens from a Case Study Purpose: The purpose of this project is to familiarize the student with modern molecular tools and bioin ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Biology Expert