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Leni [432]
4 years ago
10

Can someone please help me with 8, 9 and 10!

Biology
1 answer:
Mama L [17]4 years ago
6 0

10. disappears during prophase


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Explain the relationship between structure and function ?
saul85 [17]
Hola :3
Espero y e sirva esta respuesta :3

Esencial a esta íntima relación entre estructura molecular y función genética es el concepto de molde. La complementariedad de las bases nitrogenadas permite que la secuencia de una cadena sencilla de DNA actúe como un molde para la formación de una copia complementaria de DNA (replicación) o de RNAm (transcripción). El RNAm actúa a su vez como molde para la secuencia proteica a través de un aparato decodificador, el sistema de traducción. Pero hay una clara diferencia entre los dos procesos. En el primer paso del flujo de la información genética, de DNA a RNA, el lenguaje es lineal y biyectivo, y por lo tanto reversible (como lo muestra la existencia del fenómeno de retrotranscripción), pero el paso de RNA a proteína es irreversible. El código es degenerado y la proteína adquiere, conforme se traduce, una estructura no lineal, tridimensional.
3 0
4 years ago
PKU (Phenylketonuria) is an autosomal recessive disease, in which the synthesis of amino acid Tyrosine from Phenylalanine is blo
MrRissso [65]

Answer:

Thus, the frequency of people who are heterozygous for this disease is 0.21

Explanation:

Given,

The frequency of gene p is 0.3

As per Hardy- Weinberg equation,

Sum of allele frequencies for all allele at locus = 1\\

Which means sum of allele frequencies of recessive and dominant allele is 1

p + q = 1\\

Substituting the value of p in above equation, we get -

0.3 + q = 1\\q = 1 - 0.3\\q = 0.7\\

Another equation of Hardy- Weinberg is

p^2 + 2pq + q^2 = 1

Substituting the value of p and q in above equation, we get -

(0.3)^2 + (0.7)^2 + 2pq = 1\\2pq = 1 - 0.09 - 0.49\\pq = \frac{0.42}{2} \\pq = 0.21

Thus, the frequency of people who are heterozygous for this disease is 0.21

6 0
4 years ago
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Why is it important for nitrogen to be more abundant in our atmosphere than oxygen?
Lady_Fox [76]

Answer:

Choice C

Oxygen must be diluted because it is a highly combustible gas.

4 0
3 years ago
Double fertilization in angiosperms is most similar to ______.
Sav [38]
Double fertilizer in a plant
3 0
3 years ago
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fossils have a species of bird are found in layer 3. Which layer is most likely to have organisms that lived at the same time as
Sedbober [7]

Answer:

Explanation:

The layer most likely to have organisms which lived at the same time as the bird species is Layer 2. Layer 2 is closer to layer 3 than any of the other layers listed. Assuming that layers were laid down sequentially as time passed, it is reasonable to assume that layer 2 was laid down most closely in time to layer 3.

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