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Goryan [66]
3 years ago
12

What peculiar feature did Darwin find in the tortoises on the Galapagos Islands?

Biology
1 answer:
Salsk061 [2.6K]3 years ago
3 0
They were gigantic. Way bigger than a normal toroise
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In a hypothetical population of plants, flower color is determined by a single gene with two alleles. In a population of 500 pla
blondinia [14]

Answer:

In the F1 generation

RR = 0%

Rr = 50% (or 0.5)

rr = 50% (or 0.5)

Explanation:

A pink flowering plant has the genotype Rr. It is heterozygous for the allele. The alleles for this gene appears to show incomplete dominance, as the heterozygous phenotype is a blend of the two homozygous genotypes.

A white flowering plant has the genotype rr. It is homozyogous for the white allele

A punnet square of the cross is shown.

The resulting punnet square shows that only Rr and rr genotypes are possible, at a ratio of 50:50 (or 1:1). Therefore, the genotype frequency of Rr is 50%, and rr is 50% in the F1 generation. This can also be written as 0.5. It is not possible to get a red plant, as the genotype RR can not come from this cross

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8 0
3 years ago
All the following statements about destruction of cyclins are true EXCEPT: ubiquitin targets Cdks. destruction is carried out by
ZanzabumX [31]

Answer:

ubiquitin targets CDKs

Explanation:

Cyclins are named such because they undergo a constant cycle of synthesis and degradation during cell division. When cyclins are synthesized, they act as an activating protein and bind to Cdks forming a cyclin-Cdk complex. This complex then acts as a signal to the cell to pass to the next cell cycle phase.

Cyclins drive the events of the cell cycle by partnering with a family of enzymes called the cyclin-dependent kinases (Cdks). A lone Cdk is inactive, but the binding of a cyclin activates it, making it a functional enzyme and allowing it to modify target proteins.

6 0
3 years ago
Read 2 more answers
I’ll give points + brainalist (:
Vsevolod [243]

Your answer would be C. because the rest of potential energy. This one is not stored energy, it's kinetic.

Hope this helps; have a great day!

5 0
2 years ago
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What is the main transformation that occurs during glycolysis
svetoff [14.1K]
I think it's when glycogen turns glycogen into glucose and vice versa. Not too sure though.
8 0
3 years ago
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What are igneous rocks made of
sergeinik [125]

Answer:

B

Explanation:

Igneous rocks are formed by the solidification of magma or lava.

4 0
3 years ago
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