What is the function of the cell membrane? The cell membrane controls what goes into the cell (food) and what leaves the cell (waste). The cell membrane protects the cell from damage. The cell membrane controls the amount of water that goes into the cell and stores it there if it doesn't rain. The cell membrane allows air to enter, but won't allow water to enter into the cell.

Answers

Answer 1

Answer:

Cell membranes serve as barriers and gatekeepers. They are semi-permeable, which means that some molecules can diffuse across the lipid bilayer but others cannot. Small hydrophobic molecules and gases like oxygen and carbon dioxide cross membranes rapidly

Explanation:


Related Questions

How does reproduction in humans compare to reproduction and other animals such as fish, birds and reptiles?

Answers

Answer:

It compares because all of them reproduce the same way with varied offspring instead of identical.

Which of the following changes would likely increase rates of photosynthesis?
Decreasing the temperature
Decreasing the carbon dioxide
O Increasing the carbon dioxide
Increasing the distance of a plant from a light source

Answers

Increasing the carbon dioxide would increase the rate of photosynthesis

Name at least three hormones which are used commercially and list why they are used.

Answers

Answer:

Auxins, Ethene and Cytopkinins

Explanation:

Auxins used in commercial fo Crop production.

Ethene used in commercial to fruit to ripen.

Cytokinins used in commercial to reduce yellowing in green vegetables.

Auxins are utilized in the commercial production of crops. Ethene is a commercial fruit ripening agent. Cytokinins are used commercially to stop green crops from turning yellow.

What are plant hormones?

Almost every element of plant growth and reaction to its environment is regulated by plant hormones. Numerous plant hormones play important roles in the interactions between plants and helpful microorganisms because they are active at extremely low concentrations and have precise spatial control of synthesis and response.

The "The Role of Plant Hormones in Plant-Microbe Symbioses" special issue offers fresh information on the functions of hormones produced from both the plant and the microbial partner in symbiosis establishment and communication. This includes the close symbioses that the majority of terrestrial plants have with arbuscular mycorrhizal (AM) fungi, as well as the more recently acquired nodulation—symbioses between a select group of plants in the fabid clade and nitrogen-fixing bacteria.

The articles in this special issue also look at how hormones affect how plants interact with ectomycorrhizae, endophytic bacteria, and fungi, and helpful microorganisms that stick to the surfaces of the leaves and roots. Many hormones can interact with one another in addition to acting directly to regulate the growth of these symbioses, and these intricate networks are just beginning to emerge.

Therefore, various plant hormones are used commercially.

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why don't we have the same means of livelihood in the different provinces and regions of the country?

Answers

I don't know........,...........................................

Answer:

there are differenties on the place and people we grew up with

Which side is hypertonic ? A or B ?
Which side will gain water
What is c ?

Answers

Answer:

B IS HYPERTONIC

A WILL RECIEVE MORE

C IS MEDIAN

The movement of small organic molecules, electrolytes, vitamins, and water across the digestive epithelium and into the intestinal fluid of the digestive tract is called what then? I can understand if going into the interstitial fluid of the digestive tract that it would be called Absorption; however, what is it called when it moves into the intestinal fluid of the digestive tract?

Answers

Answer:

As you have learned, the process of mechanical digestion is relatively simple. It involves the physical breakdown of food but does not alter its chemical makeup. Chemical digestion, on the other hand, is a complex process that reduces food into its chemical building blocks, which are then absorbed to nourish the cells of the body. In this section, you will look more closely at the processes of chemical digestion and absorption.

This diagram identifies the functions of mechanical and chemical digestion and absorption at each organ. Next to each organ, a callout identifies which steps of digestion take place in that particular organ.

Explanation:

why do earthquakes and volcanoes occur a long destructive and conservation plate boundaries?​

Answers

Answer:

because the plates do not pass smoothly there will be some interaction in both of them

What is consciousness ?​

Answers

Answer:

consciousness is the difference between a rock and a hard place to stay in 6

Consciousness is a complex and multifaceted phenomenon that refers to our subjective Consciousness of the world and ourselves.

Consciousness encompasses our awareness, perception, thoughts, emotions, and the sense of self.

Some theories of Consciousness:

1. Dualism: According to dualism, the mind or consciousness exists independently of the brain and can potentially survive even after the death of the body.

2. Materialism: Also known as physicalism. According to materialism, consciousness is an emergent property of the complex interactions among neurons, neural networks, and brain structures.

3. Integrated Information Theory (IIT):  According to IIT, consciousness emerges when information is both highly integrated (information is interconnected) and highly differentiated (information is diverse).

4. Global Workspace Theory (GWT): The global workspace is a dynamic neural network that allows information to be shared across different cognitive processes and enables access to conscious awareness.

5. Phenomenal consciousness vs. Access consciousness: Phenomenal consciousness refers to what it feels like to experience something, while access consciousness pertains to the ability to use that experience for various cognitive tasks.

Thus, the term "consciousness" refers to our individualized perception of the outside world and of ourselves.

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White-tailed deer raise their tails when they spot a predator approaching; the predator typically gives up its pursuit once it knows that the faster prey species has seen it. This is an example of

Answers

I would guess the animal that is getting chased by a White tailed deer might be a dog or monkey

what is Baltimore classification of viruses​

Answers

The Baltimore classification of viruses is a system developed by David Baltimore, allowing for the naming and grouping of RNA or DNA viruses according to their modes of replication.

ANSWER BY AN AI

Answer:

jhiuyhtfgkuguftmff

Explanation:

What is the only thing recycled during the ATP-ADP cycle? *
О
ADP
ОАТР
O Glucose
Sugar Ring

Answers

Your answer would be Glusose

which type of organism can use photosynthesis to make food

Answers

Answer:Plants

Plants, algae, and a group of bacteria called cyanobacteria are the only organisms capable of performing photosynthesis (Figure 1). Because they use light to manufacture their own food, they are called photoautotrophs (literally, “self-feeders using light”).

Explanation:

Answer:

All plants with green leaves, from the tiniest mosses to towering fir trees, synthesize, or create, their own food through photosynthesis. Algae, phytoplankton, and some bacteria also perform photosynthesis. Some rare autotrophs produce food through a process called chemosynthesis, rather than through photosynthesis.

Which of the following is true about the sugar molecules in plants

1. The sugar molecules are made by plants

2. The sugar molecules come from the soil

3. The sugar molecules are one of many sources of food for plants

4. The sugar molecules are made from molecules of water and minerals

Answers

Answer 1)

Not 2 bc they don’t come from the soil, they are made by plants through photosynthesis.

Not 3 bc I’m pretty sure sugar is not the only source of food for plants.

Not 4, I’m not exactly sure why not 4, but my gut is saying 1.

Sorry the explanation is not super helpful.

The sugar molecules are made by plants during photosynthesis.

How sugar molecules in plant are made?

Plants are autotrophic in nutrition. During photosynthesis, using water sunlight is converted into energy and sugar molecule  like glucose within the plant cells.

Plants store excess glucose in form of starch (polyglucan).

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The state of Georgia has a yearly energy surplus.

Question 8 options:
a) True
b) False

Answers

Answer: A

Explanation:

True state of Georgia has a yearly energy surplus.

Does Georgia use more energy than it generates?

Georgia is among the top 10 electricity-producing states, the state typically uses more power than it generates.

What energy source does Georgia use?

Nearly 75% of Georgia's electricity generation comes from hydro production (75.3% in 2019), with the remainder produced from natural gas and from a 20.7 MW wind power plant .

Hence, correct option is :True

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How the form of ostrich’s eggs help the bird survive?

Answers

Answer:

Adaptations that make ostriches fast on land but unable to fly include long legs with strong muscles, thick bones and powerful 2-toed feet

Mark and Michelle both have dark hair, which is a dominant trait. But their first child is blonde. Which is the most likely explanation

Answers

Both parents have a recessive blonde allele that got passed on to their child.

Another gene caused the alleles for brown hair to deactivate.

It's not possible--Mark can't be the real father.

One of the two has a blonde allele that is dominant in the child.

Answer:

They are heterozygous for the dark hair.

In crrying the microscope hold firmly the microscope's arm with one hand and place the other hand under the base for suport​

Answers

Answer:

whats your question?

Explanation:

Q. Which increased age skeletal muscle show?

A. An increase in muscle fiber diameter
B. A decrease in the number of myofibrils
C. A tendency to fatigue less rapidly
D. Increased glycogen reserves.
E. No change in oxygen storage capability.

Answers

Answer:

i do not know if there are more than one answer but d and a both sound right to me

Explanation:

name the star shaped cells present in hydrophytes​

Answers

Answer:

Astrosclereids are star-shaped, having various branches or arms. They are found in intercellular spaces of leaves and stems of many hydrophytes like Nymphaea.

1. Two cats are mated. One of the parent cats is long-haired (recessive allele). The offspring of the two cats are: two short-haired and three long-haired kittens. What does the second parent look like (phenotype), and what is its genotype? Make a punnet square.​

Answers

Answer:

2 Hh- short-haired kitten

2hh- long-haired kitten

Explanation:

Parental phenotypes: long-haired short-haired

Parental genotypes: hh × Hh(second parent)

Genotypes of F1 generation: Hh, hh, Hh, hh

2 Hh- short-haired kitten

2hh- long-haired kitten

In which location would light travel at the highest speed?
O A. In a swimming pool
B. Within a glass fiber
O C. Within a diamond
O D. Between the Sun and Earth

Answers

Answer:

D. Between the Sun and Earth

Explanation:

It travels fastest in vacuum So I’m making an educated gas and saying it’s D I could be wrong though.

Answer:

D. Between the Sun and Earth

Explanation:

quiz

Glucose break down during cellular respiration.
O True
O False yes

Answers

Glucose break down during cellular respiration.
True
The answer is false

1. The person and elephant are traveling from left to right. The second photo was taken a few seconds after the first. Who is traveling
faster?
several seconds late
O A The person is walking faster.
O B. The elephant is walking faster
O C. They are traveling at the same speed
O D. Impossible to determine

Answers

Answer: B

Explanation:

Because the person is slower than an elephant

Use the information to draw an inference about why red beryl has been found in only four places on Earth.

Answers

Answer:

The volcanoes with that type of lava are only found in four places on Earth, it can't be made anywhere else.

Explanation:

Red beryl is one of the rarest minerals in the world. Because it is so rare, red beryl is about 1000 times more valuable than gold. Read the passage that describes how red beryl forms. Use the information to draw an inference about why red beryl has been found in only four places on Earth.

If a brown-eyed mother and a blue-eyed father have four children, three will probably have brown eyes. What can you conclude from this?

A. Brown eyes are a successive trait
B. Brown eyes are a submissive trait
C. Brown eyes are a recessive trait
D. Brown eyes are a dominant trait

Answers

Answer:

D. Brown eyes are a Dominant Trait

Explanation:

D. brown eyes are dominant trait

why is it important to use weakened virus in vaccine

Answers

Answer:

It is important for you to use a weakened virus in the vaccine so once injected in your system not only is your body learning to FIGHT the virus but you will become immune to it once your body has practically gotten a taste of it. for example some anti venom antitodes use the ACTUAL venom aswell its vital in vaccines.

Explanation:

Vaccines work by putting a fake virus in your body.Your body will think it is a real virus and attack it. After your white blood cells attacked it, it leaves remembering white blood cells. What are you do is remember what they do is remember the virus so when the real virus enters your body it will fight it off.

what is the purpose of transcription A. To produce DNA B. To produce Lipids C. To produce RNA D. To produce Amino Acids

Answers

Explanation:

the answer is d.

amino acids 4 protein synthesis...

which type of restraint equipment works well in controlling the head movement of a large dog?

Answers

Answer:

Standing restraint

Explanation:

place one arm under the dog's neck with the forearm holding the head

Standing restraint equipment works well in controlling the head movement of a large dog. The correct option is (C).

What do you mean by standing restraint?

Standing restraint is place one arm under the dog's neck with the forearm, holding the head. The other arm is placed around the animal's body to pull it close to the handler. Can be used on floor or table. Use.

Place one arm under the dog's neck and place your hand onto the side of the head. Pull the dog's head gently into your body. Place your other arm over and around the dog's hindlimbs. This technique can be used to encourage the dog to sit if it is standing, by applying gentle pressure.

There are three types of restraints: physical, chemical and environmental. Physical restraints limit a patient's movement. Chemical restraints are any form of psychoactive medication used not to treat illness, but to intentionally inhibit a particular behaviour or movement.

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Your question is incomplete, but most probably your full question was,

Which type of restraint equipment works well in controlling the head movement of a large dog?

A. Leash

B. Hands

C. Standing restraint

D. Towels

IS THIS RIGHT IF NOT CAN SOMEONE TELL ME WHAT IS THE RIGHT AWNSER <3

Answers

Answer:

No

Explanation:

It mainly happens in the Liver

Answer:

right answer is LIVER

Explanation:

byee :)

Need help with the question in the picture

Answers

Answer:

The answer is k = −11

Explanation:

f(−2)= 0

f(−2)= − 8  −  24  −  2 k  +  10  =  0

2 k = -22

and finally; k= −11

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