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Marina86
3 months ago
9

The leaves of most angiosperms are flat and have a large surface. This enables the plant to:

Biology
2 answers:
-BARSIC- [2.5K]3 months ago
5 0

Answer: Option B

Explanation:

Most angiosperms possess broad, flat foliage. This design facilitates a higher concentration of stomata.

As a result, the leaves can effectively harness more light, promoting photosynthesis through enhanced sunlight capture.

Thus, expansive flat surfaces assist in optimizing the photosynthetic process.

inysia [2.3K]3 months ago
4 0
The correct option is A
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Drag each tile to the correct box. Explain the process in which hormones secreted by the pancreas function with respect to incre
s2008m [2378]

Respuesta:

El orden correcto es:

  1. Gran cantidad de glucosa en la sangre, enviando señales hacia el páncreas.  
  2. Síntesis de hormonas por células beta.
  3. Unión de hormonas con receptores en el hígado.
  4. Ingesta de moléculas de glucosa de la sangre por transportadores específicos.
  5. Liberación de hormonas desde los receptores

Explicación:

  • El páncreas produce dos hormonas clave para la regulación de los niveles de glucosa en la sangre.
  • Las dos hormonas, glucagón e insulina, aumentan y disminuyen el azúcar en la sangre respectivamente.
  • La insulina reduce la glucosa en sangre al estimular las células del cuerpo para que aumenten la ingesta de glucosa.
  • El cerebro detecta la alta/baja glucosa en sangre y, a continuación, envía señales al páncreas para iniciar la síntesis de insulina o glucagón por las células beta.
  • Estas hormonas se unen a receptores en las células del cuerpo; en las células hepáticas, en el caso de la insulina.
  • Los receptores inician la señalización celular que facilita la entrada o salida de glucosa dentro o fuera de las células del cuerpo.
4 0
2 months ago
Read 2 more answers
When a bacterial cell is present in an environment where both lactose and glucose are present, the glucose will be metabolized f
vlada-n [2515]

Answer:

Option (A).

Explanation:

The lac operon system in bacteria elucidates the process of lactose metabolism within the cell. The initial operon system was identified by Jacob and Monod. An operon is characterized as a cluster of genes transcribed together as a single RNA unit.

When both glucose and lactose are available in the media, the bacterium favors metabolizing glucose. The presence of glucose is recognized by the bacterial cell as the CAP-cAMP complex is essential for transcription, and its levels are reduced in glucose's presence. This mechanism effectively halts the transcription of lactose genes even when lactose is available.

Consequently, the right answer is option (A).

4 0
3 months ago
What is the difference between ribonucleotides and deoxyribonucleotides?
-BARSIC- [2551]

Answer:

Ribonucleotides pertain to RNA, while deoxyribonucleotides are part of DNA. More information is provided below.

Explanation:

Ribonucleotides consist of a ribose sugar and a nitrogenous base, but they do not include Thymine; instead, they have uracil. Deoxyribonucleotides, on the other hand, incorporate a deoxyribose sugar along with a nitrogenous base, which includes Thymine.

6 0
3 months ago
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Typical household bleach has a pH of 13. What is the H3O+ concentration in household bleach?
lana [2441]

Answer: 1.0, -13

Explanation:

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3 months ago
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What is an asteroid that is pulled off course by a planet’s gravity and orbits around that planet called?
11111nata11111 [2571]

Answer:

Trojans Asteroids

Explanation:

Trojan Asteroids move in the orbit of a larger planet, where the gravitational forces of the sun and planets are in equilibrium, although I have uncertainity about the correctness of the answer. Good luck!

5 0
3 months ago
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