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AURORKA [14]
3 years ago
12

What are stomata and how do they differ in monocots and dicots?

Biology
1 answer:
Naddika [18.5K]3 years ago
4 0

Answer: Monocot and dicot plants contain stomata in their leaves as well as in their stem. ... The main difference between stomata of monocot and dicot plants is that the guard cells of the monocots are dumbbell-shaped whereas the guard cells of dicot plants are bean-shaped.

Explanation:

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Which description is an example of a phenotype?
pentagon [3]

The correct answer is D. Both A and C

Explanation:

In biology, a phenotype refers to a trait or characteristic that is observable in an organism, including physical characteristics, physiological characteristics, and behavioral characteristics. The phenotype is the result of the expression of genes or environmental factors. Considering this, both "a certain duck has a blue beak" and "most cheetahs live solitary lives" are phenotypes because they are traits that can be observed in terms of morphology or physical characteristics in the case of the duck or in terms of behavior in the case of the cheetah. On the other hand, a mutation is not necessarily a phenotype except if it is expressed.

7 0
3 years ago
During cellular respiration, NADH:________.a. is converted to NAD+ by an enzyme called dehydrogenase. b. none of the choices are
skad [1K]

Answer:

a. is converted to NAD+ by an enzyme called dehydrogenase

Explanation:

The electron transport chain of cellular respiration is the final step that oxidized NADH and FADH2. These reducing powers are formed during glycolysis and Kreb's cycle. Complex I of the electron transport chain present in the inner mitochondria membrane is NADH dehydrogenase. This protein complex accepts electrons from NADH and oxidizes it into NAD+. NADH dehydrogenase couples oxidation of NADH with the pumping of proton towards the intermembrane space.

5 0
3 years ago
Which type of cell is most likely to have the most mitochondria? muscle cells in the legs of a marathon runner nondividing cells
MatroZZZ [7]

Answer:

muscle cells in the legs of a marathon runner

Explanation:

Mitochondria are the powerhouse of cells and serve as a site for the aerobic stage of cellular respiration. Cellular respiration is complete oxidation of nutrients in the presence of oxygen to produce a large number of ATP molecules. Therefore, the cells that require more ATP molecules as an energy source would most likely have a greater number of mitochondria.

Muscle cells are responsible for body movement. Muscle cells in the legs of a runner would require a constant supply of ATP during running since muscle contraction requires ATP. To sustain the continuous muscle contraction during the marathon, the muscle cells in the legs of the runner would have most number of mitochondria.  

5 0
3 years ago
Water accounts for 50% to 60% of the weight of the<br> human body.
Sunny_sXe [5.5K]

Answer:

Whats the question? There isn't a question

4 0
3 years ago
Which of the following statements about glycogen is false?
timurjin [86]

Answer:

The answer is letter A.

Explanation:

The false statement about glycogen is UDP–glucose is produced from glycogen by the action of the enzyme phosphorylase Glycogen is a polymer of glucose in alpha(1->4) linkages with alpha(1->6) linked branches every 8–14 residues.

5 0
3 years ago
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