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brilliants [131]

2 years ago

10

Which statement correctly explains a symbiotic relationship?

2 answers:

zhuklara [117]2 years ago

4 0

C because ye ye ye ye ye ye ye

Lady_Fox [76]2 years ago

4 0

While all four are names of subtypes of symbiotic relationships, C is the correct answer because it’s the only one that gives an accurate example of the subtype given

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CAP binds as a homodimer to specific DNA sequences upstream of genes involved in the metabolism of sugar, but only when the prot

Vera_Pavlovna [14]

Answer: A. Dimerization (1), DNA binding (4), cAMP binding (3

Explanation:

6 0

2 years ago

assume that life on Mars requires cell potential to be 100mV, and the extracellular concentrations of the three major species ar

svetlana [45]

Answer:

Explanation:

From the information given:

The cell potential on mars E = + 100 mV

By using Goldman's equation:

$E_m = \dfrac{RT}{zF}In \Big (\dfrac{P_K[K^+]_{out}+P_{Na}[Na^+]_{out}+P_{Cl}[Cl^-]_{out} }{P_K[K^+]_{in}+P_{Na}[Na^+]_{in}+ P_{Cl}[Cl^-]_{in}} \Big )$

Let's take a look at the impermeable cell with respect to two species;

and the two species be Na⁺ and Cl⁻

$E_m = \dfrac{RT}{zF} In \dfrac{[K^+]_{out}}{[K^+]_{in}}$

where;

z = ionic charge on the species = + 1

F = faraday constant

∴

$100 \times 10^{-3} = \Big (\dfrac{8.314 \times 298}{1\times 96485} \Big) \mathtt{In} \Big ( \dfrac{4}{[K^+]_{in}} \Big)$

$100 \times 10^{-3} = 0.0257 \Big ( \dfrac{4}{[K^+]_{in}} \Big)$

$3.981= \mathtt{In} \Big ( \dfrac{4}{[K^+]_{in}} \Big)$

$exp ( 3.981) = \dfrac{4}{[K^+]_{in}} \\ \\ 53.57 = \dfrac{4}{[K^+]_{in}}$

$[K^+]_{in} = \dfrac{4}{53.57}$

$[K^+]_{in} = 0.0476$

For [Cl⁻]:

$100 \times 10^{-3} = -0.0257 \ \mathtt{In} \Big ( \dfrac{120}{[Cl^-]_{in}} \Big)$

$-3.981 = \ \mathtt{In} \Big ( \dfrac{120}{[Cl^-]_{in}} \Big)$

$0.01867 = \dfrac{120}{[Cl^-]_{in}}$

$[Cl^-]_{in} = \dfrac{120}{0.01867}$

$[Cl^-]_{in} =6427.4$

For [Na⁺]:

$100 \times 10^{-3} = 0.0257 \Big ( \dfrac{145}{[Na^+]_{in}} \Big)$

$53.57= \Big ( \dfrac{145}{[Na^+]_{in}} \Big)$

$[Na^+]_{in}= 2.70$

6 0

2 years ago

An example of a solution is vinegar because it has 5% acid and 95% water. Question 7 options: True False

ASHA 777 [7]

The answer is true! Hope this helped! :)

6 0

3 years ago

Macy is looking for groundwater. She will most likely find it _____. under a mountain in a desert with no plants below a layer o

Anestetic [448]

The correct answer choice would be D) an area with limestone deposits

8 0

3 years ago

Read 2 more answers

How does biotechnology can increase or decrease variation

swat32

By intruding mutations, which are the ultimate source of biological diversity. I think this is it.

4 0

3 years ago