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3 years ago

What can we conclude about the ability of glucose to diffuse through the

Biology

2 answers:

Dominik [7]3 years ago

6 0

Answer:

facilitated diffusion

Explanation:

Since glucose is a large molecule, its diffusion across a membrane is difficult. Hence, it diffuses across membranes through facilitated diffusion, down the concentration gradient. The carrier protein at the membrane binds to the glucose and alters its shape such that it can easily to be transported.

AfilCa [17]3 years ago

4 0

Answer:

Instead, the energy is provide by the concentration gradient, which means that molecules are transported from higher to lower concentrations, into or out of the cell. The carrier proteins bind to glucose, which causes them to change shape and translocate the glucose from one side of the membrane to the other.

Explanation:

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A swine producer wants to know if the average weight of his pigs is different from the breed average of 230 lb. He selects a ran

Aloiza [94]

Answer: t= -1.60

Explanation:

Let $\mu$ be the population mean weight of pigs.

As per given , we have

$H_0:\mu=230$

$H_0:\mu\neq230$

Sample size : n= 16

Sample mean = $\overline{x}=220\ lb$

Sample standard deviation : $s=25\ lb$

Since the population standard deviation is not known so the test is a t-test.

Test statistic for population mean : $t=\dfrac{\overline{x}-\mu}{\dfrac{s}{\sqrt{n}}}$

$t=\dfrac{220-230}{\dfrac{25}{\sqrt{16}}}$ (Substitute all the values.)

$t=\dfrac{-10}{\dfrac{25}{4}}$

$t=\dfrac{-40}{25}=-1.60$

Hence, the value of the test statistic needed to test the null hypothesis : t= -1.60

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3 years ago

You discover a new sunflower that has blue flowers instead of yellow. When you cross this blue variety with a common yellow vari

Firlakuza [10]

Answer:

The correct answer is: B) codominance.

Explanation:

Codominance is a type of inheritance pattern that describes the relationship of two variations of the same gene: this means that in an individual, its two alleles manifest in the phenotype.

If a sunflower has both blue AND yellow speckles, it means that the two possible alleles are in a relationship, which makes these alleles CODOMINANT.

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4 years ago

Which of the following factors limits the effectiveness of the Treaty on Plant Genetic Resources?

Debora [2.8K]

A it does not address the loss of biodiversity

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4 years ago

Read 2 more answers

How do animals use dunes to survive

Xelga [282]

Animals like a kangaroo rat has natrul defenses that help itself while living in the dune