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Sunny_sXe [5.5K]
3 years ago
15

This really isn't a question but answers to a quiz for my fellow people who are apart of K-12 and this is the quiz for science s

o here you go...
1. If an organism is composed of only one cell, it ______
Answer > Performs all of the functions

2. Tissues combine to form ______
Answer > Organs

3. How is tendon different from a ligament? ______
Answer > A tendon joins a muscle to a bone; a ligament joins a bone to a bone.

4. What feature do plants have that provide structure and form?______
Answer > Plants have rigid tubes made of cellulose.

Hope this helps :))
Biology
1 answer:
Mama L [17]3 years ago
4 0

Explanation:

1. If an organism is composed of only one cell, it _is unicellular_____

An organism that is composed of only one cell is called a unicellular organism. Organisms with more than one cell is said to be multi-cellular. Examples are yeast, bacteria, paramecium e.t.c

Their single cell can perform all life functions they need to survive and be called a living organism. Such a cell is capable of reproduction, excretion, locomotion, feeding e.t.c

Learn more:

Cells brainly.com/question/12613470

2. Tissues combine to form __Organs____

In the organisation of life, cells combines to form tissues that are capable of performing a specific function. A combination of tissues is known as organs. When organs combine we have a system.

These divisions of life is known as the organization of life. This divides life from the simplest form called the cell to the most complex one called system. Some organisms only exists at the cell level others as tissues and so on.

Learn more:

Organization of life brainly.com/question/13045775

3. How is tendon different from a ligament? ______

A tendon is a band of inelastic tissues that attaches a muscle to a bone. A ligament joints bones to bones.

Tendons and ligaments are tissues that helps movement and to keep organs in in place.

A ligament simply positions bones by connecting them together through a flexible tissue.

A tendon connects bones and muscles to that movement can occur.

Learn more:

Skeletal muscles brainly.com/question/10243621

4. What feature do plants have that provide structure and form?______

Plants have rigid tubes made of cellulose which gives them their shape and form.

These rigid tubes made of cellulose are called cellwalls. They are made up of cellulose. The cell wall gives the plant cell its shape and provides mechanical support for the cell.

The cell wall is an outer covering of the plant cell. Animals do not have cell walls.

They are often called cellulose cellwall.

Learn more:

Cell wall brainly.com/question/2563001

#learnwithBrainly

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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):

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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

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