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Dmitry_Shevchenko [17]
2 years ago
9

What is an example of an alternate path in the rock cycle​

Biology
1 answer:
tatiyna2 years ago
6 0
An example of an alternate path in the rock cycle could be sedimentary rock goes through melting and becomes magma.
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Which best describes the kinds of questions science can answer
Alinara [238K]
Science can answer many questions for example the speed of light, the frequency of pitch or sound, dna tests
4 0
2 years ago
What happens to DNA after RNA polymerase has synthesized a mRNA molecule?
schepotkina [342]
Synthesized RNA will remain. I believe this is because the polymerase allows the DNA to close up & that’s how it forms its double helix. Then the RNA chain is displaced and the DNA will soon be re-formed.
6 0
3 years ago
In guinea pigs coat color is determined by a single gene with two alleles. A guinea pig from a true-breeding black strain is mat
OLga [1]

Answer:

1/3 of black F2 progeny will be homozygous.

Explanation:

Here, BB = black coat color = true breeding dominant black strain

bb = white coat color =  true breeding recessive white strain

When true breeding black and white guinea pigs are mated to give F1 progeny:

BB X bb = Bb ( all black guinea pigs )

When two of the F1 guinea pigs are mated to give F2 progeny:

Bb X Bb = BB, Bb, Bb, bb

F2 progeny has 3/4 progeny as black (BB and Bb) . Out of them 1/3 are homozygous and 2/3 are heterozygous.

Hence, 1/3 of black F2 progeny will be homozygous.

7 0
3 years ago
Hemoglobin buffers the pH of the cytosol of RBC by combining with ______ions.
jarptica [38.1K]

Answer:

H+

Explanation:

Hemoglobin is the major protein of red blood cells. It has many exposed amino groups and carboxylic groups at its surface. These NH3 and COOH groups serve as weak acids and bases respectively and allow hemoglobin to serve as a buffer to maintain the pH of the RBC cytoplasm.

As the exposed amino groups of hemoglobin protein bind to the H+ ions, the free H+ concentration of the cytoplasm of RBC is reduced leading to a buffer action to maintain the pH.

6 0
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In which location will you see polaris at the highest altitude in the sky
icang [17]
The location northward the Polaris climbs higher in the sky.
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3 years ago
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