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FinnZ [79.3K]
3 years ago
15

What does the cell theory say

Biology
1 answer:
SCORPION-xisa [38]3 years ago
3 0

Answer:

The basic tenets of cell theory are that all living things are made up of cells and that cells are the basic units of life. However, cell theory dives deeper than that. ... In other words, everything is made up of cells. Cells are the basic building blocks of organisms and of life.

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URGANT QUESTION !! What are the main redox reactions in cellular respiration ?
Nikitich [7]

En la respiración celular, la célula depende totalmente de las reacciones Redox, para ser precisos de la reducción del NAD a NADH y la oxidación de NADH a NAD.

Ahora veamos una situación diferente.

En la fotosíntesis, ocurre la reacción inversa de redox, como se muestra en la siguiente ecuación:

6CO2 + 6H2O + E --> C6H12O6 + 6O2

La energía biológica se almacena y se lanza con la frecuencia por medio de reacciones redox. La fotosíntesis implica la reducción del CO2 en azucares y la oxidación del H2O en oxigeno molecular (O2), mientras que en la respiración es lo inverso, la oxidación de azucares a CO2 y H2O.

Entre los pasos redox de la fotosíntesis, compuestos deducidos del CO2 reducen el NAD lo que crea entonces, la creación gradiente de protones, que conduce a la síntesis del ATP y es mantenida por la oxidación del O2.

En los seres vivos, el término redox se utiliza para describir el equilibrio NAD-NADH y NADP-NADPH.

El estado redox contribuye al equilibrio de los sistemas metabólicos. En el caso de alteraciones en las reacciones redox, puede producirse HIPOXIA, que es el déficit del O2 en la sangre, CHOQUE, que es el mal circulamiento de lal sangre y la SEPSIS.

3 0
4 years ago
Genetic variety in organisms is created through
dlinn [17]
Genetic variety in organisms is created through C) Meiosis. mitosis is a stage of the cell cycle and asexual reproduction occurs between only one parent, so not much variety. Cell fission is a form of asexual reproduction in bacteria, archaea, and other unicellular organisms such as diatoms and protozoans.
3 0
3 years ago
The simplest structures that can carry out all of the activities characteristic of life are:
Kitty [74]
I'm pretty sure it's the cell since it's the basic unit of life and can change to carry out any function
7 0
3 years ago
Hox genes, can serve to regulate patterning of the body plan, and were ultimately responsible for major body plan changes includ
olya-2409 [2.1K]

Answer:

True

Explanation:

Hox gene is responsible for giving form, shape or plan to body of an organism. These genes are set of transcription factor which specifies with in an organism’s embryo which part will form a specific organ of the body. These are found at the 3’ end of the DNA and are responsible for axial patterning. These genes are activated by regulatory genes and the proteins encoded at early stage expresses at the later stage.  

Hence, the given statement is true

6 0
4 years ago
How did life on earth become so diverse?
Snezhnost [94]

Answer:

"Through the Tertiary period (from 65 Ma) the Earth's climate became cooler with frequent oscillations that increased in amplitude and led to a series of major ice ages in the Quaternary. Glacial advances and retreats over the Pleistocene resulted in global cycles of contraction, expansion and fragmentation of species ranges resulting in species extinctions, population bottlenecks and differentiation."

Explanation:

(Did offline will rewrite in my own words if you would like :)

Hope this helps

5 0
3 years ago
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