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2 years ago

Explain what is happening below

Biology

2 answers:

Ira Lisetskai [31]2 years ago

3 0

Explanation:

enzyme + substrate complex =

A substrate is a molecule that an enzyme reacts.

enzymes catalyze chem. reactions with substrates. Substrates transform into 1 or more products. released from " active site," substrate is then able 2 receive another substrate molecule.

umka2103 [35]2 years ago

3 0

Answer:

An enzyme is catalyzing a reaction.

Explanation:

Two substrates bind to the active site of the enzyme. The enzyme catalyzes the reaction (lowers the activation energy needed to complete the reaction), and the result is the final product: two substrates bound together, and an enzyme that can go on to catalyze more reactions.

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. Your lab technician was to determine the ash content of buttermilk by conventional dry ashing. The technician weighed 5 g of l

expeople1 [14]

Answer:

Ashing process is done to evaluate the ash content present in petroleum or other proucts, so that they can be used for certain applications

The two major types of ashing process that includes dry ashing and wet ashing and can be performed using microwave systems or conventional means.

a. errors made in the preceding method while determining the ash content of buttermilk by conventional dry ashing are as following:

Buttermilk should not immediatly put into muffle immediatley, it should be boiled first to avoid splatter.
Temperature should be between 500 to 600 degree celcius at high temperature teh ash content can be loss.
The sample should be ashed for 12-18 hrs , more than this can damage the required ash content.
platinum tip should be used in place of stainless steel because platinum has a lower concomitant tip impedance than stainless stell, so less reactive to ash.
The ash should put in dessicator and not allow to kept in open because ash can react with the humidity in teh atmosphere.

b. The result that occur due to above errors such as the temperature, time, tongs and leaving ash in open will manipulate the final ash content and its application can be harmful for humans and for other purpose if it will be used.

5 0

2 years ago

The inability of organisms to evolve anything that could be an advantage reflects _____.

sergey [27]

The inability of organisms to evolve anything that could be an advantage reflects "the limit of historical constraints".

<h3>What is the limit of historical constraints of evolution?</h3>

Although evolution is a powerful process that leads to

rapid changes in the characteristics of organisms, limits

to evolution arise from a lack of genetic variation, a

loss of well-adapted genotypes in populations due to

gene flow, trait interactions leading to trade-offs, and/

or the difficulty of evolving simultaneous changes in a

number of traits. This is the limit of historical constraints of evolution.

<h3>What are the factors that can cause an organism to evolve?</h3>

Four main factors lead to evolution:

(1) the potential for a species to diversify;

(2) heritable genetic variation among individuals within a species as a result of mutation and sexual reproduction;

(3) competition for scarce resources; and

(4) the spread of organisms that are better able to endure and procreate in the environment.

To learn more about evolution visit:

brainly.com/question/12051929

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4 0

1 year ago

The near extinction of many bird species was caused by:

joja [24]

Hey there!

<span>The near extinction of many bird species was caused by:

Answer: </span>
<span> use of DDT

Hope this helps
Have a great day (:
</span>

6 0

2 years ago

Write down 2 things that you remember about density

stellarik [79]

Answer:

Explanation:

Density, the weight of an object divided by its volume, is a property of all matter, including solids, liquids and gases. The value of an object's density depends on what it's made of as well as its temperature; for example, lead weights are denser than feathers, and cold air is denser than hot air.

3 0

3 years ago

What does semiconservative replication refer to?

forsale [732]

Answer:

it is a

Explanation:

Both strands are new in each new DNA molecule.

6 0

2 years ago

Explain what is happening below​

Explain what is happening below