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Jobisdone [24]
3 years ago
7

Robbie is trying to learn as much as he can about a rock that he found. This particular rock contains some fossils. What can Rob

bie learn from the fossils
A.
whether the rock is a compound or an element
B.
whether or not the rock can float
C.
the mass of the rock
D.
the relative age of the rock
Biology
1 answer:
Marrrta [24]3 years ago
4 0
D. fossils will help you discover how old the rock is, fossils would not be included in the question if the answer does not relate to them
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The inhabitants of the planet Mendel have three alleles for hair color: red (R), white (W) and blue (b). The R and W alleles exh
Alex_Xolod [135]

Answer:

4 RW pink hair color

Explanation:

Let the allele for red hair color = R

Let the allele for white hair color = W

Let the allele for blue hair color = b

Since R and W exhibit co dominance it means none of both traits have the tendency or capability to masked the other .

As such individual with RW genotype = PInk hair color

Allele b is recessive and only individuals with the genotype bb exhibit the blue allele  

Now; if a cross occurs between a red-haired Mendelian and a white-haired Mendelian

i.e

RR   × WW

we have

           R           R

W         RW       RW

W        RW         RW

So we have the following offspring :

4 RW = 4 pink

So theoretically , the possible phenotypes results to 4 RW pink hair color

5 0
3 years ago
Read 2 more answers
Which clients are showing manifestations of infection? select all that apply?
ch4aika [34]
<span>A typical questions asking someone to point out something given a selected sample would have provided enough visual data that is sufficient to make a conclusive decision from. So given a chart or a table with certain number of clients showing no signs of infection and others with infection. It's easy to pick the numbers from the chart or table. In the given question, there is no chart or table and as such, not enough data with which a conclusive and coherent answer can be arrived at.</span>
6 0
3 years ago
Please help (it was due like last week)
olga_2 [115]

Answer:

c

Explanation its c

6 0
3 years ago
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Some amino acids are both glucogenic and ketogenic. Explain the difference between the two types and why some amino acids can be
vesna_86 [32]

Answer:

From the point of view of the type of molecule that is obtained after the degradation of the hydrocarbon skeleton, amino acids can be classified as: glucogenic and ketogenic. The main difference between glucogenic amino acids and ketogenic amino acids is that glucogenic amino acids can be converted to pyruvate or other glucose precursors, while ketogenic amino acids can be converted to acetyl CoA and acetoacetylCoA.

Explanation:

Glucogenic amino acids are amino acids that break down to pyruvate, alpha-ketoglutarate, succinyl Co-A, fumarate, and oxaloacetate and are so named because the synthesis of glucose from these molecules is feasible. Both pyruvate and the Krebs cycle intermediates noted above can be converted to phosphoenolpyruvate and subsequently glucose through gluconeogenesis.Ketogenic amino acids are the amino acids that generate acetyl-CoA or acetacetyl-CoA and are called by this name because they can cause ketone bodies. Since mammals lack the proper enzyme system, these compounds can never be used as precursors for glucose biosynthesis. Of the twenty universal amino acids, fourteen are purely glucogenic and two are purely ketogenic (leucine and lysine). The remaining four (isoleucine, phenylalanine, tryptophan and tyrosine) are glucogenic and ketogenic simultaneously since a part of the hydrocarbon skeleton originates precursors for the biosynthesis of glucose (pyruvate or Krebs cycle intermediates) and the other part acetyl-CoA or acetacetyl -CoA.

5 0
3 years ago
2. Cellular respiration does not produce<br> O ATP<br> carbon dioxide<br> O glucose<br> O water
pochemuha
The answer is glucose.
3 0
3 years ago
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