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ra1l [238]
3 years ago
6

What was the hypothesis in the experiment for chemicals in fertilizers? Explain

Biology
2 answers:
vladimir1956 [14]3 years ago
6 0

Answer:

Okay look the answer is

Explanation:

If the chemical fertilizer is pour in the soil, then the plant will have the  most effetc of growth.

Vera_Pavlovna [14]3 years ago
5 0

Answer:

The hypothesis would be always written in if/then form so in your question it will be something like this:

Explanation:

If the chemical fertilizer is spray in the soil, then the plant will have the  most effect the growth in the plant.

Hope this helps

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How does meiosis differ from mitosis?
BlackZzzverrR [31]

Answer:

It reduces the amount of DNA

Explanation:

Ends up with four daughter cells that each have half the amount of chromosomes in the parent cell.

8 0
2 years ago
Can someone give me the answer for both questions please:)
lina2011 [118]

Answer:

The answers are:

C danimeletion

B dna - rna - amino acid - protein - genetic expression

5 0
2 years ago
A grad student has a culture of E. coli with a total volume of 1,800 mL, and OD reading at 550 nm of 1.7. He transfers 1 mL cult
Naily [24]

Answer:

Explanation:

We'll represent the dilution as the volume transferred/total volume in the tube after transfer. So for the first dilution, 1 ml of culture was added into 9ml of broth bringing the total volume to 10 ml i.e 1/10

For the second dilution, 0.1 mL was added to 0.9mL of broth bringing the total volume to 1mL i.e 0.1/1.0 (this is also the same as 1/10). In relation to the stock culture, this is represented as 1/100 (that is 1/10 (first dilution) * 1/10 (second dilution)

Giving that the same was done for dilution 3 and 4,

third dilution is represented as: 1/10 and the fourth as 1/10 as well

In relation to the stock, dilution 3 is 1/1000

dilution 4 is 1/10000

a. the dilution in the third tube is \frac{1}{1000} = 10^{3 or 1.0*10^{3}

b. the dilution spread onto the agar plate is the fourth dilution, that is, \frac{1}{10000} = 10^{4} or 1.0*10^{4}

c. Since the grad student got 386CFU/0.2mL (200 uL = 0.2mL),

the cells in 1mL is: 386/0.2 = 1930 = 1.93 * 10^{3}

the cells in 1800mL is therefore 1930*1800 = 3,474,000 = 3.4*1010^{6}

3 0
2 years ago
. The distance between Chennai and Bangalore is around 420 Km. A car takes 6 hours to travel from Chennai to Bangalore. At what
Alex Ar [27]
Speed = distance / time = (420 x 1000) / (6 x 3600) = 19.44 m/s

3 0
3 years ago
Which observation would be evidence that heat was transferred by radiation?
neonofarm [45]

Answer: D) A car with the windows rolled up gets very hot on a summer day.

A radiation can be defined as the transmission of energy in the form of waves, particles or rays through space or through a material medium. A radiation is being transmitted from one source till it reaches it's destination. A radiation transfers heat energy. A car with the windows rolled up gets very hot on a summer day would be evidence that heat was transferred by radiation because the glass pane of the window of the car being transparent will absorb the heat energy coming from the solar radiation.  

6 0
3 years ago
Read 2 more answers
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