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yuradex [85]
3 years ago
15

A cell membrane is mostly made of phospolipids.Which would be more likely to be able to move across a cekk membrane : a structur

e made of proteins,or a structure of proteins coated with phospholipids? Explain,based on the model.
Biology
1 answer:
g100num [7]3 years ago
6 0

Answer:

A proteins coated with phospoholipids

Explanation:

Because proteins are large component and passing through a cell membrane that have large size is hard. But if you have similar quality with the cell membrane, it can pass through so that the pharmacy industry use this technique for hormones etc.

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Select the correct answer. which sentence describes an object that has kinetic energy? a. a seagull sits on top of a fence post.
ololo11 [35]

" a boat sails across the ocean" possess Kinetic energy. hence option d is correct.

<h3>What is Kinetic energy?</h3>
  • Chemical energy, thermal energy, electromagnetic radiation, gravitational energy, electric energy, elastic energy, nuclear energy, and rest energy are only a few of the many different types of energy that exist. Potential energy and kinetic energy are the two basic categories that can be used to group them.
  • An object's kinetic energy is what drives its motion. Kinetic energy can be converted into other types of energy and transported between objects.
  • The energy an object has as a result of motion is known as kinetic energy in physics. It is described as the effort required to move a mass-determined body from rest to the indicated velocity. The body holds onto the kinetic energy it acquired during its acceleration until its speed changes.

To learn more about Kinetic energy with the given link

brainly.com/question/12669551

#SPJ4

7 0
1 year ago
WILL GIVE BRAINLIEST!!<br> 1. Identify the stages of cell growth and reproduction.
Damm [24]

Answer:

The cell cycle has two major phases: interphase and the mitotic phase (Figure 1). During interphase, the cell grows and DNA is replicated. During the mitotic phase, the replicated DNA and cytoplasmic contents are separated, and the cell divides. ... During interphase, the cell grows and the nuclear DNA is duplicated.

Explanation:

4 0
2 years ago
Q - Describe the Mitoses with the help of diagram. write its different phares and explain them.​
bonufazy [111]

Answer:

Mitosis is a type of cell division in which single haploid cell (n) or diploid cell (2n) divides into two haploid or diploid daughter cells that are same as the parent.

Mitosis occurs in somatic cells of plants and animals. In this cell division, the two daughter cells have the same number of chromosomes as that in the parent cells.

Mitosis consists of four basic phases: prophase, metaphase, anaphase, and telophase.

1.Prophase:-

It is the first visible stage in karyokinesis. The chromosomes appear as long coiled threads called chromatids. The chromatin becomes shorter, thicker and visible due to the condensation of DNA. The chromatins are now called chromosomes. Stainability of nucleus increase. Each chromosome starts to splits longitudinally into two sister chromatids. These sister chromatids are attached to each other at the centromere. The nuclear membrane and nucleolus start to disappear and by the end, it will be completely disappeared.

ii. Metaphase:-

Nuclear membrane and nucleolus completely disappears and simultaneously appearance of spindle fibers. Spindle fibers are attached to the centromere of a chromosome. The chromosomes are arranged on the equatorial plane. The process of gathering of chromosomes in equator is called congressional and plate formed is called metaphasic plate.

iii. Anaphase:-

The centromere of each chromosome splits into two sister chromatids and forms two daughter chromosomes. The daughter chromosomes are pulled towards the poles due to the contraction of spindle fibres and stretching of interzonal fibers. During polar movement, the chromosomes show different shapes i.e. J, U, V, L or I shaped in appearance. At the end of anaphase, each pole will get one set of daughter chromosomes. It is the shortest phase and is also known as a migratory phase.

iv. Telophase:-  The daughter chromosomes reach respective poles and uncoil and become thin, long and visible. The spindle fibres start disappearing and finally disappear. The nuclear membrane and the nucleolus reappear.

Two nuclei are formed at the end of telophase. Both the nuclei have the same number of chromosome as the parent cell. It is the last visible stage of karyokinetic and is also known as reorganization phase.

It is followed by cytokines or division of cytoplasm.

Explanation:

5 0
2 years ago
<img src="https://tex.z-dn.net/?f=what%20%5C%3A%20is%20%5C%3A%20cell%20%5C%3A%20%5C%3A%20%20%5C%3A%20%20%20%7B%3F%7D" id="TexFor
Rus_ich [418]

Answer:

Cells are the basic building blocks of all living things. The human body is composed of trillions of cells. Cells have many parts, each with a different function. Some of these parts, called organelles, are specialized structures that perform certain tasks within the cell

Explanation:

<h2>❣️(◍Jess bregoli◍)❣️</h2>

#keep learning!!

5 0
2 years ago
Read 2 more answers
What is the benefit of water for a living being?
aivan3 [116]

<em>It’s common to hear that water is essential for your health. But why? </em>

<em> This substance makes up a majority of your body weight and is involved in many important functions, including: </em>

  1. <em> Flushing out waste from your body</em>
  2. <em>Regulating body temperature </em>
  3. <em>Helping your brain function  </em>

<em>You get most of your water from drinking beverages, but food also contributes a small amount to your daily water intake. </em>

<em> Read on to learn more ways water can help improve your well-being.</em>

<em>1. It helps create saliva</em><em> </em>

<em>Water is a main component of saliva. Saliva also includes small amounts of electrolytes, mucus, and enzymes. It’s essential for breaking down solid food and keeping your mouth healthy.</em>

 

<em>2. It regulates your body temperature</em><em> </em>

<em>Staying hydrated is crucial to maintaining your body temperature. Your body loses water through sweat during physical activity and in hot environments. </em>

<em> </em>

3. It protects your tissues, spinal cord, and joints

Water consumption helps lubricate and cushion your joints, spinal cord, and tissues. This will help you enjoy physical activity and lessen discomfort caused by conditions like arthritis.

<em>4. It helps excrete waste through perspiration, urination, and defecation</em><em> </em>

<em>Your body uses water to sweat, urinate, and have bowel movements. </em>

<em> Sweat regulates body temperature when you’re exercising or in warm temperatures. You need water to replenish the lost fluid from sweat. </em>

<em>  </em>

<em> </em> 5. It helps maximize physical performance

<em>Drinking plenty of water during physical activity is essential. Athletes may perspire up to 6 to 10 percent Trusted Source of body weight during physical activity. </em>

<em> Hydration also affects your strength, power, and endurance. </em>

<em> </em>

<em>6. It helps prevent constipation</em>

<em>Eating fiber isn’t the only way to prevent constipation. It’s also important to maintain your water intake so your bowel movements contain enough water. </em>

<em> </em>

<em>7. It aids in digestion</em><em> </em>

<em>Contrary to what some believe, experts confirm drinking water before, during, and after a meal will help your body break down the food you eat more easily. This will help you digest food more effectively and get the most out of your meals. </em>

<em> </em>

<em>8. It helps with nutrient absorption</em>

<em>In addition to helping with food breakdown, water also helps dissolve vitamins, minerals, and other nutrients from your food. It then delivers these vitamin components to the rest of your body for use.</em>

<em>9. It helps you lose weight</em><em> </em>

<em>Studies have linked body fat and weight loss with drinking water in both overweight girls Trusted Source and women. Drinking more water while dieting and exercising may just help you lose extra pounds. </em>

<em> </em>

<em>10. It improves blood oxygen circulation</em><em> </em>

<em>Water carries helpful nutrients and oxygen to your entire body. Reaching your daily water intake will improve your circulation and have a positive impact on your overall health</em>.

<em>11. It helps fight off illness</em><em> </em>

<em>Drinking enough water can help prevent certain medical conditions Trusted Source.  </em>

<em>Water also helps you absorb important vitamins, minerals, and nutrients from your food, which will increase your chances of staying healthy.</em>

<em>12. It helps boost energy</em><em> </em>

<em>Drinking water may activate your metabolism. A boost in metabolism has been associated with a positive impact on energy level. </em>

<em> One study found that drinking 500 milliliters of water boosted the metabolic rate by 30 percent in both men and women. These effects appeared to last over an hour. </em>

<em> </em>

<em>13. It aids in cognitive function</em><em> </em>

<em>Proper hydration is key to staying in tip-top cognitive shape. Research Trusted Source indicates that not drinking enough water can negatively impact your focus, alertness, and short-term memory. </em>

<em> </em>

<em>14. It helps improve mood</em><em> </em>

<em>Not getting enough water can also affect your mood. Dehydration may result in fatigue and confusion as well as anxiety. </em>

<em> </em>

<em>15. It helps keep skin bright</em><em> </em>

<em>Adequate water intake will help keep your skin hydrated and may promote collagen production. However, water intake alone isn’t enough to reduce the effects of aging. This process is also connected to your genes and overall sun protection.</em>

<em>16. It prevents overall dehydration</em><em> </em>

<em>Dehydration is the result of your body not having enough water. And because water is imperative to so many bodily functions, dehydration can be very dangerous. </em>

<em> Severe dehydration can result in a number of severe complications, including: </em>

  1. <em> Swelling in your brain </em>
  2. <em>Kidney failure </em>
  3. <em>Seizures </em>

<em>Lengthy, but quite informative.</em>

<em>Hope you found this helpful!</em>

<em>THANK YOU!!</em>

<em>∝</em><em> Sidhdi</em>

7 0
2 years ago
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