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3 years ago

Please help!!!!!!!!!!!!!!

Biology

2 answers:

Veseljchak [2.6K]3 years ago

5 0

It’s is d............

kenny6666 [7]3 years ago

4 0

Its D for example if you have a piece of clay shaped as this rock and you put pressure on one side of the clay the side that you are putting stress on will go down with your hand because it is being held with pressure

ps. i have a hard time explainning things i can map it out in my head but not so muchin words.

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ASAP!!!!!!!!!!!!

morpeh [17]

Answer:

Explanation:

The flow of matter is connecting to all of the subjects involved. Several animals benefit off of the plants, then their predators benefit off of them, and so on. If even one of the factors of this food web were to go extinct, the entire thing would be messed up.

5 0

4 years ago

Enzymes are

irinina [24]

The answer is C, Enzymes are proteins.

5 0

4 years ago

Pseudomonas putida is used for fermentation of the lactose present in cheese whey. The bacteria are cultivated in a steady-state

fgiga [73]

Answer:

Explanation:

Given that:

The dilution rate D = 0.28 h⁻¹

The concentration of lactose in the feed $S_o = 2.0 \ g/L$

The effluent S = 0.10 g/L

Also;

$Y_{X/S} = 0.45 g\ X/g \ S , \\ \\ Y_{X/O2 }= 0.25 g \ X/g \ O2, \\ \\$

Saturation C* = 8 mg/l

To calculate the steady-state biomass, we use the formula:

$X = Y_{X/S}(S_o-S_e) \\ \\ X = 0.45(2.0 -0.10) \ g/L \\ \\ X= 0.45 (1.9) \ g/L \\ \\ X = 0.855\ g/L \\ \\ X = 855 \ mg/L$

The biomass is 0.855 g/L

For a steady-state condition, the oxygen uptake rate can be illustrated by using the formula:

$q_{o_2}X =\dfrac{\mu_X}{Y_{X/O_2}}$

where;

$\mu =$ dilution rate (D)

Thus, the steady-state can be expressed as:

$q_{o_2}X =\dfrac{D}{Y_{X/O_2}}$

$q_{o_2}X =\dfrac{0.28}{0.25}$

$q_{o_2}X =1.12 \ h^{-1}$

The specific rate of oxygen consumption $q_{o_2}X =1.12 \ h^{-1}$

In the fermentation medium, if the desired DO concentration $C_L$ = 2 mg/L

Here, the oxygen transfer is regarded as the rate-limiting step.

As such, the oxygen transfer rate(OTR) is equivalent to the oxygen uptake rate.

In this scenario, let's determine the oxygen transfer coefficient $(K_{La})$ by using the formula:

$OTR = K_{La}(C^* - C_L)$

where;

$K_{La}$ = coefficient of oxygen transfer

C* = saturation

Since $OTR = q_{O_2}X$

$q_{o2}X = K_{La}(C^*-C_L) \\\\ (1.12 )(855) = K_{La}(8-2) \\ \\ 957.6 = K_La (6) \\ \\ K_{La}= \dfrac{957.6}{6} \\ \\ K_{La} = 159.6 \ h^{-1}$

Thus, the oxygen transfer coefficient $K_{La}$ = 159.6 h⁻¹

4 0

3 years ago

What film is most famous for its use of synchronized sound?

klasskru [66]

If you're asking this question in terms of Literature, the film that is most famous for its use of synchronized sound is the jazz singer the jazz singer triggered the talking-picture revolution A year after the release of few different films, Hollywood recognized the importance of the jazz singer with regard to the motion picture history by honoring the film with an special award. :) Hope I helped!

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3 years ago

When a rock melts turns into magma that solidifies what type of rock does it turn into

lys-0071 [83]

<span>When a rock melts turns into magma that solidifies what type of rock does it turn into an</span> igneous rock.

I hope this helped! :)

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4 years ago