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olasank [31]
3 years ago
5

What molecules make-up the sides of a dna molecule

Biology
1 answer:
iren2701 [21]3 years ago
3 0
Deoxy ribose sugar molecule
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Why are plants crunchy when your eat them, but animal protein (meat) is not?
irina1246 [14]

Answer:

The correct answer is - cell wall made up of cellulose that makes it crunchy.

Explanation:

In plant-based foods, the outer membrane is a cell wall that provides structure and supports the plant to stand erect and protect from the outer environment. The cell wall is mainly composed of cellulose that is a carbohydrate which is comparatively crunchy or tough to the animal protein with a fatty cell membrane that makes it chewier than the crunchy.

The composition of the protective layers of the plant cels and animal cell causes this difference in their texture.

8 0
3 years ago
Which of the following is a relatively new disease? A. polio B. bird flu C. small pox D. tuberculosis
andre [41]
The answer is B, bird flu. The other diseases have been around much longer than bird flu has. Bird flu has been in Asia since 2003, but didn't reach Europe and the middle east until 2005, making bird flu a very new disease.

5 0
3 years ago
Which of the following describes the structure of a dicot stem ? A) It contains a ring-shaped vascular bundle B) It contains cen
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4 0
3 years ago
Monamine oxidase inhibitors (MAO inhibitors) Select one: a. prevent synaptic transmission. b. enhance the breakdown of norepinep
Colt1911 [192]

Answer:

The correct answer is c. "enhance the binding of norepinephrine to its receptors".

Explanation:

Monamine oxidase inhibitors (MAO inhibitors) were the first antidepressant drugs to be developed and cause the accumulation of norepinephrine, dopamine, and serotonin. MAO inhibitors function by inhibiting the activity of enzymes that broke down these compounds. The accumulation of norepinephrine enhance the binding of norepinephrine to its receptors, allowing for a higher effect of norepinephrine.

8 0
4 years ago
La caja toráxica es parte de que sistema​
elixir [45]

Answer:

skeletnog

Explanation:

El tórax es la parte superior del tronco que se encuentra entre el cuello (collum) y abdomen. Lla aleta pectoral tiene la forma de una pila con flecos de ropa aplastada al revés. En la cavidad del cabello torácico (eavitas thoracis) se encuentran los órganos vitales: el corazón y  los pulmones.

Los huesos de las paredes del esternón son: el esternón, las costillas y las vértebras torácicas.

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3 years ago
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