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Alenkinab [10]
3 years ago
7

What would happen if the ocean didn’t absorb any carbon dioxide?

Biology
2 answers:
charle [14.2K]3 years ago
8 0
Climate change would be way worse
djyliett [7]3 years ago
8 0
If the ocean stopped absorbing any carbon then the atmospheric levels would be much higher then the current level right now.?
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Which statements about wind are true? Check all that apply.
timofeeve [1]

Answer:

AA

Explanation:

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7 0
3 years ago
If you put an egg in pure water, then it will ____ in size
Usimov [2.4K]

Answer:

it will grow in size sorry if wrong but i think it is correct

Explanation:

i am sure (:

8 0
3 years ago
Si una población crece mucho otra vez después de un cuello de botella con el paso del tiempo aumentará diversidad genética ¿por
sammy [17]

Answer:

los mecanismos capaces de generar diversidad actúan para incrementar la variabilidad genética en la población que sufrió el cuello de botella

Explanation:

Un cuello de botella se refiere a una reducción drástica en el tamaño de una población (por ejemplo, debido a una catástrofe natural). Un cuello de botella es un fenómeno que está asociado a la ​reducción en la variación genética y fijación de ciertos alelos en la población resultante, lo cual es causado por la deriva genética, es decir, debido al muestreo al azar de los individuos que formarán la población en la siguiente generación. Paulatinamente, los mecanismos capaces de generar variabilidad genética aumentarán nuevamente la diversidad de la población que sufrió el cuello de botella. En una población de reproducción sexual, la variación genética se genera mediante cuatro procesos diferentes: 1-mutación (es decir, la aparición de nuevos alelos debido a alteraciones en la secuencia de ADN); 2-recombinación (es decir, el intercambio de información genética entre cromátidas no hermanas durante la meiosis); 3-segregación independiente de cromosomas durante la meiosis (capaz de producir nuevas combinaciones de alelos) y 4-fertilización al azar (lo cual también incrementa el número de combinaciones entre gametos que darán lugar a un nuevo individuo).

4 0
2 years ago
What characterizes depolarization, the first phase of the action potential? The membrane potential changes to a less negative (b
svp [43]

Answer:

Option (2).

Explanation:

The cell potential or membrane potential may be defined as the difference in the electric potential between inside and outside of the cell. The membrane potential of the cell changes during the propagation of action potential.

The resting membrane potential is -70mV. The influx of sodium ions causes the depolarization of the cell membrane. The cell potential changes from -70mV to + 30mV. The membrane potential becomes more positive during the depolarization phase.

Thus, the correct answer is option (2).

6 0
3 years ago
The signaling molecule for flowering might be released earlier than usual in a long-day plant exposed to flashes of
Kipish [7]

The signaling molecule for flowering might be released earlier than usual in a long-day plant exposed to flashes of red light during the night.

Higher plants are sessile organisms that sense and respond to environmental stimuli such as light and chemical cues by changing their morphology.

The signaling pathway uses a complex network of interactions to coordinate biochemical and physiological responses such as flowering, fruit ripening, germination, photosynthetic regulation, and shoot or root development.

These signals are first recognized by receptors and transmitted through complex networks to the cell nucleus.

The signal is transduced to the nucleus by one of several systems involving GTP-binding proteins (G proteins) that change activity upon GTP binding, a protein kinase cascade that sequentially phosphorylates and activates various proteins and Membrane ion channels that alter the ionic properties of cells.

This signal is manifested in the nucleus as a change in the activity of DNA-binding proteins, transcription factors that specifically interact with and regulate the regulatory regions of genes.

Thus, detection of environmental signals is transmitted through transduction pathways, and changes in transcription factor activity can coordinate expression changes in gene portfolios to guide new developmental programs.

Learn more about signaling here : brainly.com/question/9381928

#SPJ4

7 0
1 year ago
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