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Aleks04 [339]
3 years ago
9

What do you believe are some ways that we could encourage more people in our country to be thoughtful consumers by: recycling, c

omposting, conserving water and energy more effectively?
Biology
1 answer:
kozerog [31]3 years ago
8 0
We could explain the consequences of not recycling, composting, and conserving in different campains. We could also make it a requirement to learn in science class so children become aware of it and change it for the better later on.
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How does a hydrometer work?
bija089 [108]
A hydrometer is an instrument that measures the specific gravity (relative density) of liquids. The ratio of the density of the liquid to the density of water. A hydrometer is usually made of glass, and consists of a cylindrical stem and a bulb weighted with mercury or lead shot to make it float
5 0
3 years ago
Explain how sunlight is the primary source of energy for your own life
Llana [10]

Answer: ok...

Explanation:

The continual input of energy, mostly from sunlight, sustains the process of life. Sunlight allows plants, algae and cyanobacteria to use photosynthesis to convert carbon dioxide and water into organic compounds like carbohydrates. This process is the fundamental source of organic material in the biosphere.

8 0
2 years ago
20. Does facilitated diffusion require energy for the cell?
Vera_Pavlovna [14]

Answer: no

Explanation: The solute can move "downhill," from regions of higher to lower concentration, relying on the specificity of the protein carrier to pass through the membrane. This process is called passive transport or facilitated diffusion, and does not require energy.

6 0
3 years ago
If a homozygous black bull is mated with a homozygous white cow and the calf is gray, this would be an example of ________. howe
I am Lyosha [343]

The first statement above is an example of incomplete dominance. If the calf has black and white spots then that’s an example of codominance.

 

Incomplete dominance is a form of transitional inheritance in which one allele for an explicit trait is not entirely expressed over its paired allele. This effects in a third phenotype in which the expressed physical trait is a mixture of the phenotypes of both alleles.

 

Codominance<span> is a form of dominance by which the alleles of a gene pair in a heterozygote are wholly expressed. This effects in offspring with a phenotype that is neither dominant or recessive. A usual example showing this type of dominance is the ABO blood group system.</span>

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4 0
3 years ago
A scientist wants to begin making a DNA fingerprint, but she has only a very small DNA sample. What should her next step be
azamat

For obtaining an adequate amount of DNA samples for DNA fingerprinting, polymerase chain reaction (PCR) can be used.

Polymerase chain reaction (PCR) is a technique that is used to amplify the DNA sample. The steps included in PCR are:-

1. Denaturation of the double-stranded DNA (at around 95°C)

2. Annealing of the primers to each of the single-stranded DNA templates ( at around 65°C)

3. Extension or elongation of the primers by considering every single-stranded DNA as a template. This elongation is carried out by <em>Taq </em>polymerase (at around 72°C).

With each cycle of PCR, the DNA sample is increased by 2ⁿ. Here, 'n' represents the number of PCR cycles.

#SPJ4

Learn more about polymerase chain reaction here: -

brainly.com/question/11442887

3 0
1 year ago
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