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Setler79 [48]
3 years ago
12

Even though the tundra has an extremely cold climate, it can still support life. Please select the best answer from the choices

provided T F
Biology
2 answers:
svetoff [14.1K]3 years ago
8 0
True because in the summer wildlife sprouts. 
beks73 [17]3 years ago
4 0

Answer:

True

Explanation:

Tundra is the coldest biome on planet earth and it is basically of three types –  

a)  Arctic Tundra – It supports small plants and there are total 1700 varieties of them. Since the soil is frozen deep root tress are not supported. Animals such as arctic foxes, lemmings, wolves, polar bears, squirrels, salmon, etc are also able to survive in this biome.

b) Antarctic Tundra – Among the plant species one can easily find ichens, grasses, liverworts, and mosses and among the animal species one can easily find seals, penguins, rabbits, and albatross.  

c) Alpine Tundra – Plants species include only dwarf shrubs, grasses etc. while animal species include marmots, mountain goats, sheep

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Suppose the cells of a tumor are idealized as spheres each with a radius of 5 mum ​(micrometers). The number of cells has a doub
loris [4]

Answer:

1044.3 days

Explanation:

Given,

Radius of sphere shaped cells of tumor = 5 micrometer

1 centimeter = 10,000 micrometers

Thus, radius of sphere in centimeters

= \frac{5}{10,000} \\

Volume of a sphere

= \frac{4}{3} \pi r^{3}

Volume of one cell of tumor

\frac{4}{3} *(3.14)*(\frac{5}{10,000})^{3}\\= {5.23 * 10^{-10} centimeter cube

As we know ,

N(t) = N(0) e^{-kt}\\\\k = \frac{ln2}{35}\\ k = 0.0198 day^{-1}\\

Substituting all the given values in above equation, we get -

0.2 = 5.23 * 10^{-10} * e^{-0.0198*t}\\t = 1044.3 days

5 0
4 years ago
How will a healthy individual's atp production change during an eight-hour fast? how will a healthy individual's atp production
AleksandrR [38]
I believe the answer is: the individual's ATP production will decrease significantly.

ATP is the cell fuel, and during a fast, there is no food to convert into ATP making the levels lower.
3 0
3 years ago
What type of metabolic reaction is fermentation?
SOVA2 [1]

Answer:

Fermentation is a metabolic process that produces chemical changes in organic substrates through the action of enzymes. (I'm not sure if is correct? hope this is a correct)

5 0
3 years ago
What is the major difference invertebrates and vertebraes
Alexxandr [17]
Vertraes have a back bone. invertebrates dont have a back bone or any bones
5 0
3 years ago
Most biological enzymes become denatured when they are heated and lose their ability to catalyze reactions. This process (origin
Setler [38]

Answer:

The denatured enzyme is more ordered.

Explanation:

Remember gibbs free energy equation, ∆G= ∆H - T∆S

Now since we aredealing with how ordered the original or denatured enzyme is, we are looking at their entropy.

When change in entropy us positive, then the original enzyme is more ordered but when it is negative, then the denatured enzyme is more ordered.

Making ∆S the subject formula from the equation,

∆S =∆G-∆H/T

Therefore protein denaturization is both endothermic and spontaneous. Temperature will always be positive.

∆S= (-) - (+)/(+)

∆S= -

Therefore the change in entropy is negative, the enzyme is more ordered and the denatured enzyme is more ordered than the original.

8 0
3 years ago
Read 2 more answers
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