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2 years ago

What is photosynthesis? What does it involve?

2 answers:

6 0

The process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water. photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct

jok3333 [9.3K]2 years ago

4 0

Photosynthesis is the process used by plants and other organisms to convert light energy into chemical energy

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You are given a 1 liter bacterial culture in exponential stage of growth. The generation time of the bacteria is known to be 30

nydimaria [60]

Answer:

Option-A

Explanation:

A bacteria divides by binary fission which divides a parent bacteria into the two daughter cells and generation time refers to the average time difference between two consecutive generations.

The bacterial cell grows by the exponential function that is by $2^{number of generation}$ x initial population of bacteria.

In the given question,

Initial population

the initial population of bacteria - 2x 10³ per ml

So per liter, the bacterial population will be 2 x 10 ⁶

Generation time

1 generation time of bacteria is 30 min.

so 5 hours will have-   $\frac{300}{30}$ = 10 generations

New bacterial population

Using formula $2^{number of generation}$ x initial population of bacteria

$2^{10}$ x (2 x 10⁶)

= 1048 x (2 x 10⁶)

2048 x 10⁶

Thus, Option-A is the correct answer.

4 0

3 years ago

An interaction between two abiotic factors would be

Akimi4 [234]

C) the sun warms the ground.

6 0

3 years ago

I need help explaining why my evidence supports my claim (picture above)

joja [24]

Answer:

My evidence is important to my claim because it demonstrates the vitality of both non-elemental and conductive elements and their contributes to enhancing the very essence of human proliferation. More importantly my evidence is indicative of our reliance to natural resources and the importance of protecting the sustainability of said resources.

7 0

3 years ago

A new screening test for Lyme disease is developed for use in the general population. The sensitivity and specificity of the new

Ahat [919]

Answer:

The predictive value of a positive test is:

B. 18.2%

Explanation:

5 0

3 years ago

Immediately after exposure to an allergen ______ release(s) histamine and other chemical mediators into the bloodstream.

yulyashka [42]

Answer:

Alright love, it would be - mast cells

3 0

3 years ago