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castortr0y [4]
2 years ago
13

In general what would a scientist do after forming a testable question

Biology
1 answer:
Neporo4naja [7]2 years ago
5 0
He would perform an experiment.
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Polysaccharides have _____sugar(s); disaccharides have _____sugar(s); monosaccharides have _____sugar(s).
enyata [817]
Polysaccharides have 1 sugar
disaccharides have 2 sugars
monosaccharides have a chain of sugars
6 0
2 years ago
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How could natural selection affect humans?
mario62 [17]

Answer:

Explanation:

an example is the ability to endure the sugar, lactose, in milk. In many places of the world, people can't drink milk in light of the fact that their body turns off the intestinal creation of lactase, a chemical that processes the sugar in the milk.

4 0
3 years ago
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Newsweek in 1989 reported that 60% of young children have blood lead levels that could impair their neurological development. As
Kamila [148]

Answer:

The answer is 83.38%.

Explanation:

The probability of young children having blood levels that impair their neurological development is given as 60% in the question. To find the probability of at least 5 children out of 10 in a sample having said blood levels, we need to use the binomial probability.

n represents the total number of children in the sample so n = 10 and p is the probability of the children having blood levels causing the problem which is 60% so p = 0.6.

We want the probability of it being observed for 5 or more children and that is P(x\geq 5). If we subtract the P( x\leq 4) from 1, which is the probability of not observing the condition in 5 or more children, we will have the P(x\geq 5).

1 - P(x\leq 4) = 1 - pbinom(4, 10, 0.6) which are the probability range in the function, the sample size and the probability of observing the condition respectively.

The result is 1 - 0.1662 = 0.8338 which means that the probability that is asked is 83.38%.

I hope this answer helps.  

8 0
3 years ago
Janine’s hands are larger than her father’s hands. Which explanation can account for the difference in hand size between father
suter [353]

Answer:

D or b

Explanation:

Choose between those

5 0
2 years ago
The nematode Caenorhabditis elegans has allowed scientists to develop "fate maps" tracing cell lines back to cell origins. The t
Natali [406]

Answer:

The correct answer is E) eutely

Explanation:

Nematodes are organisms with bilateral symmetry, although their organs are coiled, sometimes one of the limbs is lost and many of sedentary life tend to radial symmetry. One of the most striking characteristics of these animals is that their growth is not produced by an increase in the number of cells that compose them, but by an increase in the size of the already existing cells; in fact, in most adult tissues the number of cells is constant, a phenomenon known as eutelia.

Eutelia is the condition of an organism composed of a constant number of cells or syncytial nuclei in all adult individuals of a species, such as nematodes, it means that body growth is not carried out by increasing the number of cells but by the growth of existing cells.

8 0
3 years ago
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