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Dovator [93]
3 years ago
7

Both prokaryote and eukaryote cells have this structure. It helps maintain homeostasis and is a boundary between the inside of t

he cell and the outside environment. It is the
A) nucleus.
B) membrane.
C) cytoplasm.
D) cell wall.
Biology
1 answer:
Allushta [10]3 years ago
7 0
Prokaryote and eukaryote both have cell membranes 
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Which of the following activities would disqualifyan animal from USDA category C?Terminal Surgery
suter [353]

Answer:

SURGERY.

Explanation:

Based on classification by the United States department of Agriculture, Category C, animals are exempted from procedure that can inflict pain, or distress.in addition any procedure that involved the use of analgesics (e.g. surgery) should not be performed on the animals.

Besides, regular procedures, of administration of injections and taken blood samples(preparation for surgery) which may produce minimal discomfort are also classified in this category.

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3 years ago
¿para que sirven los plasmodesmos?
stiv31 [10]

Answer:

Los plasmodesmos forman una ruta importante para la comunicación entre las células vegetales. Regulan la comunicación de célula a célula, permitiendo así la diferenciación de órganos y tejidos vegetales.

Los plasmodesmos facilitan el movimiento de moléculas entre las células, desde pequeños productos fotosintéticos hasta grandes proteínas y ARNm. En el tejido vascular, los plasmodesmos son cruciales para el movimiento de nutrientes. También son cruciales durante el desarrollo porque, a diferencia de las células animales, las células vegetales no se mueven. Por tanto, la expresión correcta de genes tanto temporal como espacialmente es importante. Mientras que las células vegetales, como las células animales, son capaces de interactuar receptor-ligando para enviar señales a otras células, los plasmodesmos ofrecen contacto directo. Además, el tamaño de la manga difiere en diferentes tipos de células y tejidos vegetales. Por tanto, los plasmodesmos son un componente celular activo en el transporte intercelular, durante el desarrollo y en el tejido maduro.

Explanation:

4 0
3 years ago
A pearfish spends the day inside the alimentary tract, or intestines, of a sea cucumber. The fish emerges frome the sea cucumber
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Answer: P

Explanation:

6 0
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1.) Which of the following is NOT an example of a
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A grasshopper is not a producer.

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A grasshopper eats plants; therefore it is a consumer, also known as a heterotroph.

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Sergeu [11.5K]

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The atomic number of nitrogen is 7. How many protons, neutrons, and electrons make up an atom of nitrogen-15? Socratic.

B. CALCIUM

 CALCIUM - I have 20 neutrons and am found in your teeth and bones

C. nitrogen

The atomic number of nitrogen is 7. How many protons, neutrons, and electrons make up an atom of nitrogen-15? Socratic.

D. Carbon-14

Carbon-14 atoms have two extra neutrons, giving them a total of 8 neutrons. Carbon-14 has an atomic mass of 14 ( = 6 protons + 8 neutrons).

E. Mercury

Mercury is a chemical element with symbol Hg and atomic number 80.

F. Boron group element, any of the six chemical elements constituting Group 13 (IIIa) of the periodic table. The elements are boron (B), aluminum (Al), gallium (Ga), indium (In), thallium (Tl), and nihonium (Nh).

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