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Svetlanka [38]
3 years ago
5

A structure that is in plant but not in animal cells

Biology
1 answer:
Natali [406]3 years ago
3 0
Plant cells have a chloroplast and animal cells do not. :)
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The initial stage where a perceived threat or danger is experienced. This is when physiological reaction occurs that includes he
bagirrra123 [75]

Answer: Alarm reaction stage

Explanation:

The General Adaptation Syndrome (GAS) is the 3- stage body response to stress conditions. The three stages include

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2) Resistance stage

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Note that the Alarm reaction stage consist of arousal by the autonomic nervous system, where several involuntary responses such as sweating, tension, raised breathing etc are observed due to hormones released.

4 0
3 years ago
Di a que tipo de órganos pertenecen las siguientes estructuras. Justifica tu respuesta:
Aleonysh [2.5K]

Answer:

La pata de un pato y la aleta de un pez son en ambos casos son elementos que les permiten tanto al pato como al pez moverse, además de sus funciones de estabilidad. La aleta de una ballena y el brazo del ser humano, sucede lo mismo que en el caso anterior. En el caso de la aleta de la ballena, es como la aleta del pez. En cuanto al brazo del ser humano permite realizar movimientos que contribuyen al desarrollo de sus funciones, como por ejemplo, agarrar distintos elementos. La pelvis reducida de los cetáceos no tiene actualmente ninguna función.

Explanation:

La pata de un pato es una extremidad que por su estructura le permita nadar perfectamente. En cuanto a la aleta de los peces y ballenas, es una parte de estos animales formada por tejido conjuntivo. Pueden tener distintos tamaños y su principal función no sólo es permitir el movimiento sino también la estabilidad. En cuanto a la pelvis reducida de los cetáceos era algo que tenía sentido en especies de antaño. Durante la evolución, su utilidad de fue perdiendo, como podría mencionarse el ejemplo en los humanos de las muelas de juicio.

7 0
3 years ago
Why do cell expand to reproduce and become 2 different cells
AlekseyPX
In order to grow your cells need to expand and divide in order for your body to grow.
6 0
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How do you calculate acceleration?
olasank [31]
Acceleration (a) is the change in velocity (Δv) over the change in time (Δt), represented by the equation a = Δv/Δt. This allows you to measure how fast velocity changes in meters per second squared (m/s^2). Acceleration is also a vector quantity, so it includes both magnitude and direction.
I found it in go ogle
3 0
3 years ago
How much of a cell���s mass is water? <br> a. 25% <br> b. 50% <br> c. 75% <br> d. 90%?
vlabodo [156]
C.75 of the cell's mass is water
8 0
2 years ago
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