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3 years ago

What sets diffusion apart from facilitated diffusion?

1 answer:

7 0

Diffusion is the process by which particles tend to move form an area where they are more concentrated to an area where they are less concentrated. Facilitated diffusion is the process of diffusion in which molecules pass across the membrane through cell membrane channels. I hope this fulfills your inquire, and I wish to help your further on your troubles.

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A paramecium reproduces by dividing into two daughter cells. Which statement is true of the daughter cells?

Ulleksa [173]

I believe that the answer is C.

5 0

3 years ago

Read 2 more answers

Please help ________________________________________

dolphi86 [110]

Answer:

Meiosis is a special type of cell division used by sexually-reproducing organisms to produce the gametes, such as sperm or egg cells. It involves two rounds of division that ultimately result in four cells with only one copy of each chromosome.

2 divisions

Asexual reproduction is a type of reproduction which does not involve the fusion of gametes or change in the number of chromosomes.

No genetic variation, all daughter cells are identical

Explanation:

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3 years ago

1. What might cause an increase or decrease of carbon dioxide in a given location such as in the atmosphere or buried under grou

AVprozaik [17]

1. The carbon-dioxide increases in atmosphere by fossil-fuels, decaying-dead, automobiles etc. and when animals or plant die they get buried and carbon content increases under the ground.

2. Greenhouse gas are those gases which trap heat in the atmosphere and maintain the temperature of the earth.

3. Diamond and graphite are solid forms of carbon.

4. Dry ice is the carbon as liquid.

5. Autotrophs make simple sugar glucose via photosynthesis and this sugar is used by heterotrophs as a substrate for respiration in the presence of oxygen.

Explanation:

When the fuels from automobiles, fossil-fuel, dead decaying organism release carbon in the atmosphere, the increase in carbon dioxide is the cause of global warming.

Greenhouse gases absorb the infrared radiations from the earth's surface and reradiate it back to the atmosphere. In short greenhouse gases allow sun's rays to pass through and maintain the earth's temperature otherwise the earth will become too cold to sustain lives.

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3 years ago

Which of the following best explains the factors that led to the dust bowl?

zubka84 [21]

Ithe answer is b. and the temperature brought fires to the crops. One movie example of this could be the intersteller.

7 0

3 years ago

Read 2 more answers

Suppose that in unicorns, two autosomal loci interact to determine the type of tail. One locus controls whether a tail is presen

Nina [5.8K]

Explanation:

As you can see in the picture below, this is a dihybrid cross with a twist.

We can accomplish that mutually parentages are heterozygotes for both characters because the genotypes are

9 unicorns with curly tails (shown in green)

3 with straight tails (shown in red)

3 curly tales trait carriers with no tail (shown in dark blue)

1 straight tail trait carriers with no tail ( shown in light blue)

If this was an ordinary case of the dihybrid cross, we would get a 9:3:3:1 phenotype ratio.

However, since the first trait, the presence of the tail, is affecting the other trait, the trait texture, the ratio is altered.

$\frac{1}{4}$ of the offspring (genotypes tt C_ and tt SS) has no tail, therefore we cannot observe the texture of the tail (some of the tailless individuals have Curly alleles -blue squares marked with green, some of them have Straight alleles -blue square marked with red ).

Therefore, the altered ratio is $\frac{1}{2}$ curly tails, $\frac{1}{4}$ straight tales, $\frac{1}{4}$ tailless

6 0

3 years ago