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What is the water activity in honey?

The water activity in honey is typically around 0.6, which is too low to support the growth of most microorganisms. This low water activity helps give honey its long shelf life and resistance to spoilage.


What is required for life activity?

Oxygen, water, and life is required for life activity. Also ap-ma-spere<-(i couldn't spell it) is required, maybe...


What is the water activity value for milk?

0.95 or above


Why microorganisms have a hard time with salt?

Salt absorb water and without water microorganisms are killed.


Why is it free from diseases and microorganisms?

why ground water free from diseases and microorganisms?


How does drying apples help preserve them?

By drying apples, or any food item, you reduce the water activity which will help prevent or slow the growth of spoilage microorganisms or pathogens.


Does drying apples help preserve them?

By drying apples, or any food item, you reduce the water activity which will help prevent or slow the growth of spoilage microorganisms or pathogens.


What conditions are needed to biodegrade?

Biodegradation requires the presence of microorganisms (such as bacteria and fungi) that can break down organic matter, as well as water, oxygen, and a suitable temperature for the activity of these microorganisms. The process can be affected by factors such as pH, nutrient availability, and the complexity of the material being degraded.


What is water activity?

Water activity is a measure of the amount of water available for biological reactions and microbial growth in a substance. It is calculated as the ratio of water vapor pressure in the substance to the vapor pressure of pure water at the same temperature. A lower water activity value indicates less available water for microbial growth.


What microorganisms live in salt water?

Many microorganisms are found naturally in fresh and saltwater.


Why isn't water used to preserve microorganisms in the lab?

All of the microorganisms would absorb the water, and become corrupted because of the microorganism's that water itself contains.


Do desiccation has a static or cidal effect on microorganism and indicate why?

Desiccation has a static effect on microorganisms, meaning it inhibits their growth and metabolic activity but does not necessarily kill them. This occurs because dehydration disrupts the microbes' essential functions and limits their ability to reproduce or carry out cellular processes. Resuming water availability can potentially allow the surviving microorganisms to reactivate and resume activity.