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avanturin [10]
3 years ago
14

Which Eukaryotic cell part contains directions for cell growth and reproduction?

Biology
2 answers:
Natali [406]3 years ago
5 0
Hello.

The answer is: C.nucleus. 

It instructs and is known for  cell growth and reproduction.
vekshin13 years ago
3 0

Answer: The correct option is C. Nucleus.

Nucleus is a specialized membrane bound organelle, which is localized in the center of eukaryotic cells. This organelle contains directions for the growth of cell and reproduction.

It contains the genetic material of the living organisms, which is DNA ( deoxyribonucleic acid). Cell cycle is necessary for the cellular growth and reproduction. The direction for this is given by the DNA as during cell cycle, growth and division of the cell takes place. Thus, one cell is converted into two cells.

Thus, nucleus contains direction for the cell growth and reproduction.

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Why are ferns and mosses poorly adapted to a terrestrial life​
asambeis [7]

Answer:

Because they require a WATER medium for reproduction

Explanation:

Ferns are a group of living organisms under the division; Pteridophyta while mosses belong to the group Bryophyta. Mosses are considered primitive and non-vascular plants because they lack true stems, leaves and roots or vascular tissues. while ferns possess these organs, hence, are said to be vascular.

However, ferns and mosses are poorly adapted to a terrestrial life i.e. life on land because they both require a water medium for their motile male gametes to swim and fertilize their eggs (female gametes).

3 0
3 years ago
14 How does water form during cellular respiration?
Monica [59]

Answer:

Oxygen is reduced, gaining electrons and hydrogen ions. -second choice

8 0
3 years ago
Read 2 more answers
Why is the habitable zone important for Exoplanets?
Misha Larkins [42]

Answer:

A planet's atmospheric conditions influence its ability to retain heat, so that the location of the habitable zone is also specific to each type of planet.

Explanation:

5 0
3 years ago
En el hombre el color negro de los ojos “A” domina sobre el color azul “a” Una pareja en la que el hombre tiene los ojos negros
umka21 [38]

Las respuestas a estas preguntas son:

a) Genotipo del padre Aa (ojos negros)

b) Cruzamiento: Aa (padre) x aa (madre)

c) Frecuencias genotípicas esperadas: 1/2 Aa; 1/2 aa  

En genética, dominancia completa se refiere al proceso  de herencia en la cual un individuo heterocigota, es decir, el individuo que presenta dos alelos diferentes para el mismo gen, presenta el mismo fenotipo que un individuo homo-cigota para el alelo dominante (el alelo dominante es aquel que enmascara la expresión del alelo recesivo en individuos heterocigotas).

En este caso, el carácter 'color de ojos' presenta un patrón de herencia monogénica, donde el alelo 'A' dominante codifica para el rasgo fenotípico ojos negros, mientras que el alelo 'a' recesivo codifica para el rasgo fenotípico ojos azules.  

En el ejemplo, la pareja tuvo progenie en la cual uno de los hijos presenta el rasgo recesivo ojos claros, con lo cual el padre debe ser heterocigota y poseer un alelo recesivo 'a'; mientras que la madre expresa el fenotipo recesivo y por lo tanto su genotipo es 'aa'. En consecuencia, el cruzamiento de un padre heterozigota 'Aa' con una madre homo-cigota recesivo 'aa' producirá una descendencia con una frecuencia genotípica esperada de 1/2 (50%) de hijos con ojos 'color negro' de genotipo Aa y 1/2 (50%) de hijos con ojos 'color celelste' de genotipo aa >>

Cruzamiento: Aa (padre) x aa (madre)

Gametos padre: 1/2 A; 1/2 a

Gametos madre: 100% a

Cuadro de Punett (combinaciones gaméticas):

                  A           a

a               Aa          aa

a               Aa          aa

En consecuencia,  este cruzamiento producirá 50% individuos ojos color negro (genotipo Aa) y 50% individuos con ojos color celelste (genotipo aa)

Podés encontrar más información sobre este tema en:

brainly.com/question/22398195?referrer=searchResults

7 0
2 years ago
What is a cells DNA like the books in a library
tino4ka555 [31]
Think of it this way:

DNA inside cells store all the genetic information on a person's looks, eye colour, hair colour etc. It makes them unique. The analogy of being like books in a library basically suggests that in a library there is so much information and every book is different with different knowledge... That's basically what DNA is; millions of different information things. 
3 0
3 years ago
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