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GalinKa [24]
3 years ago
9

Which statement best explains how the number of mitochondria in a cell relates to the specialization of a cell? A. Muscle cells

are easily destroyed. Since mitochondria are protein factories, they aid in the rebuilding of muscle cells. B. Muscle cells function in movement. Since cellular respiration releasing ATP occurs in the mitochondria, the muscle cells have a steady supply of energy. C. Muscle cells must function as a unit. Mitochondria serve as the link between muscle cells, which enable them to carry out the function of moving the skeleton. D. Mitochondria aid in the transport of nutrients through the cell. Since muscle cells require a steady supply of energy, many mitochondria are needed for this job.
Biology
1 answer:
devlian [24]3 years ago
7 0

Answer:

B is the correct option because, in a cell, <u>only mitochondria</u> generate and provide <u>energy</u> for muscle movement.

Explanation:

Mitochondria are known as a powerhouse of the cell because they perform <u>cellular respiration</u> and <u>generate energy as an ATP</u> (Adenosine Triphosphate) molecule. <u>Muscle cells function in movement and burn more energy that's why they have many mitochondria to fulfill energy demands.</u>

On the other hand, options <u>A, C, and D are not correct options </u>because mitochondria do not perform other services such as acting as protein factories, linker cells, nutrients transportation. The activities are performed by other organelles.

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Independent and Dependent Variable Practice
Talja [164]

Answer:

1) IV: The quantity of salt added

DV: The resultant density of the salinated water

Hypothesis: The egg will float when the  mass of the volume of the salinated solution displaced by the egg is equal to or larger than the mass of the egg

2) IV: The extension of the rubber band above original length in centimetres

DV: The distance flown by the rubber band

Hypothesis: The potential energy stored in the rubber band by pulling will be transformed into kinetic energy and the larger the extension, the larger the stored potential energy, and the larger the resultant kinetic energy, the higher the velocity and the further the distance flown

3) IV: The wing span of a paper airplane

DV: The distance flown by the plane

Hypothesis; The glide of the airplane is a factor of the wings span increased wingspan increased glide and increased travel distance

4) IV: Presence of more light

DV: Height to which plant grows

Hypothesis: Photosynthesis, which is the conversion of carbon dioxide and water into glucose and oxygen in the presence of Sunlight is essential for plant growth and the more the presence on light is increases the higher plant will tend to grow

5) IV: Amount of vinegar in the canister

DV: The height a rocket will launch

Hypothesis: With a given amount of baking soda, in the canister a little amount of vinegar causes a delayed launch but an increased build up of carbon dioxide resulting in higher height reached than when more vinegar is used in which case the lift off will be more rapid but the power will be lesser and the height reached reduced

6: IV: Surface area of the coin

DV: The number of drops held

Hypothesis: Due to surface tension and cohesion which are properties that increase with surface area and as such a coin with a larger surface area holds more water drops

7. IV: Number of hours of study

DV: Science score

Hypothesis: A student science scores is directly related to the amount of science topics thought the student is able to respond to in a test and it is directly proportional to the amount of study the student has done  related to the science topics

Explanation:

5 0
3 years ago
Kiara pours measures the mass and volume of four mystery liquids and pours them into a beaker the liquids separate into differen
Keith_Richards [23]

Answer:

red will be the bottom layer

Explanation:

in order to find its density you have to do mass/volume.

Blue: 12/3 = 3  

Clear: 10/5= 2

Red: 15/3= 5

Yellow: 18/9 = 2

The one with the greates valua aka greatest density will be at the bottom layer/

4 0
3 years ago
A frog with a mass of 0.29kg hops up in the air. At the highest point in the hop, the frog has a gravitational potential energy
PtichkaEL [24]

Answer:

0.27m

Explanation:

To get the energy

Potential energy= Mgh

M is Mass

G is acceleration due to gravity

H is height..

M= 0.29kg, h= ?

P=0.759. g=9.8m/s

Therefore,

0.759=0.29×9.8×h

H= 0.759÷2.842

H= 0.27m

8 0
3 years ago
Many insects do not see into the red color-range and as a result, many insect-pollinated flowers are colors other than red (e.g.
melisa1 [442]

The correct answer is adaptation.  

Pollination refers to the procedure of transferring the pollen grain from the anther of a stamen to the stigma of a carpel. Some plants are amended for pollination by the wind, and some for pollination by insects.  

The plants, which are adapted for pollination via insects exhibit colorful petals and nectar to attract the insects, and sticky pollen, which adheres to the insects when they visit the flowers.  


3 0
3 years ago
What is the most likely reason that horses and mountain goats have hooves?
Musya8 [376]
So they can handle the tough terrain, like rocks and dirt and gravel and harsh grounds.

They way they have an advantage of actually being able to move places
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4 0
3 years ago
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