The function of the plasma membrane is....

Answers

Answer 1

Answer:

to protect the cell from it's surroundings

Explanation:

the plasma membrane is selectively permeable to ions and organic molecules and regulates the movement of substances in and out of cells

Answer 2

Explanation:

The primary function of the plasma membrane is to protect the cell from its surroundings.

Sorry if the ans is wrong


Related Questions

Based on the information presented what can the students conclude about what caused the disturbance in this forest community?
secondary succession after a fire
O primary succession after a mudslide
O primary succession after a volcanic eruption
O Secondary succession after a glacier recedes

Answers

Answer: A. secondary succession after a fire.

Explanation: The graph shows a disturbance and then the ecosystem rebuilding itself which would mean it goes through secondary succession.

Mountains are the land feature that covers most of earth surface

Answers

Answer:

False, the ocean covers 70% of the Earths surface, so it would be oceans:)

Explanation:

Hope this helps!

Answer:

False

Explanation:

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Which of the following are shown in karyotypes?

a
sex chromosomes
b
homologous chromosomes
c
autosomes
d
all of the above

Answers

Answer:

Karyotypes describe the chromosome count of an organism and what these chromosomes look like under a light microscope. Attention is paid to their length, the position of the centromeres, banding pattern, any differences between the sex chromosomes, and any other physical characteristics.

Explanation:

As this karyotype displays, a diploid human cell contains 22 pairs of homologous chromosomes and 2 sex chromosomes. ... The maternal and paternal chromosomes in a homologous pair have the same genes at the same locus, but possibly different alleles.

I think the answer is D ( all of the above )

What is the purpose of the Terra satellite? O A. To monitor conditions on Earth B. To identify near-Earth objects C. To search for planets in other solar systems D. To observe the movement of the moon


n e w a. p. e. x. 2020​

Answers

Answer:

to monitor conditions on earth

Explanation:

To monitor conditions on Earth is the purpose of the Terra satellite. Therefore, the correct option is option A.

An artificial object that is purposefully placed into orbit around a celestial body, most frequently the Earth, is referred to as a satellite. It can be either manned or unmanned, and depending on how it is made and how it works, its purpose can be very different. Satellites have revolutionised many elements of our daily lives and have become essential parts of modern technology. Satellites come in a variety of varieties, each with a special function. Long-distance communication is made possible, for instance, by communication satellites that transfer signals between ground stations. To monitor conditions on Earth is the purpose of the Terra satellite.

Therefore, the correct option is option A.

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Pavlov's experiments with dogs displays what type of behavior?A. Predator-preyB. ConditioningC C. SymbiosisD. Parental care

Answers

Pavlov's experiments with dogs displays a type of behavior of conditioning, as the dogs expected to receive food after listening to a determinated sound, being this a learnt behavior.

The correct answer is option B.

The chemical properties of an element
are determined by its
A- atomic mass
B-proton number
C-electron arrangement
D- atomic size

Answers

Answer:

C. electron arrangment

Explanation:

Electrons are the subatomic particles that influence an element's reactivity since they are exchanged during reactions.

Science Project :

Teacher bent over and asked what can I fit. What can I fit?

Answers

A hot dog would work but you didn't hear

Explain what is meant by competitive exclusion principle

Answers

Ecology: Ecosystem

The competitive exclusion principle is related to the niche concept.

A niche is the particular set of environmental conditions that an organism requires to live, including conditions such as temperature and humidity, but also resources such as food and territory. The niche is also modified by the interaction with other organisms in the same space.

Here is where the competitive exclusion principle comes into play. This principle means that a niche can only be occupied by one species, and if two species occupy the same niche, that would be just for a short period of time, where they will compete for the resources until one of them is displaced. This displacement can mean that they use the resources at different times of the day or that, for example, one species feeds at the base of the tree and the other at the top of the tree.

Insulin and glucagon have opposite effects on human metabolic processes.

a. True
b. False

Answers

Answer:

The correct answer is a. The statement is true.

Explanation:

Insulin and glucagon are two hormones produced by the pancreas, which are essential for life and have an inverse function to each other. Insulin is a hormone of protein origin that has various effects on the transport of metabolites. Glucagon is a complementary hormone in regulating the concentration of glucose in the blood. When glucose levels increase, there is an inhibition in glucagon secretion and an increase in insulin secretion, while when glucose levels decrease, glucagon secretion increases and insulin secretion decreases respectively.

bodo
tored in homon
Glycogen.
Questions
= Teeth help to break down large pieces of food into lots of smaller pieces.suggest how this help enzymes to digest the food faster


Answers

Answer:

Saliva lubricates and moistens these food particles

Explanation:

As teeth help to break down large pieces of food into lots of smaller pieces, saliva is released and mixes with the smaller food pieces. Saliva lubricates and moistens these food particles such that a ball-like mixture of food and saliva that is known as a bolus is formed, which can then be easily swallowed.

Mention the name of four groups of important pathogenic E. coli? Can TBX medium be used to recover all types of nonpathogenic and pathogenic E. coli? Support your answer by giving an example.

Answers

The four groups of pathogenic E.coli are enteropathogenic, enterotoxigenic, verocytotoxigenic and enteroinvasive groups. These groups can best be isolated and recoved through luria broth.

What is Escherichia coli?

The pathogenic E. coli or Escherichia coli serotypes are grouped on the basis of their mechanism of causing symptoms in humans. The six groups of pathogenic E.coli are enteropathogenic, enterotoxigenic, verocytotoxigenic, enteroinvasive, enteroaggregative and diffusely adherent E. coli.

Luria broth (LB) is one of the most commonly used growth medium for E. coli. It promotes fast growth of the organism and also provides good plasmid yields, making it an excellent choice for most laboratory applications, especially the small-scale plasmid preps.

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Match each vocabulary word to its definition. Your answer should have 8 lowercase letters Ex: abcdefgh 1. Homozygous Dominant 2 Homozygous Recessive 3. Heterozygous 4. Phenotype 5. Genotype 6. Complete Dominance 7. Codominance 8. Incomplete Dominance a. Having different alleles Bb. b. Having the same dominant alleles: BB c. A condition in which both alleles for a gene are fully expressed (A white flower and a red flower creating a white flower with red spots) d. Physical Trait such as Black Fur or White Fur. e. Having the same recessive alleles: bb Letters that represent the actual genes: Bb, BB, bb f. 9. Coses in which one allele is not completely dominant over another (A white flower and a red flower creating a pink flower) h. A relationship in which one allele is completely dominant over another (Someone with the genotype Bb has brown eyes)

Answers

Genotype is the allele combination concerning a gene. Phenotype is the feature expression, and depends on the environment, allele interaction, and the inheritance pattern. 1) b.  2) e. 3) a. 4) d. 5) f. 6) h. 7) c. 8) g.

What are genotype and phenotype?

When talking about genotype we refer to allele combination in an organism concerning a gene coding for a trait. This gene can be diallelic or multiallelic.

Individuals can be either homozygous or heterozygous.

Homozygous individuals carry one type of alleles, either dominant alleles or recessive allelesHeterozygous individuals carry different types of alleles, this is dominant and recessive alleles.

Usually, dominant alleles are represented with a capital letter, while recessive alleles are represented with a small letter.

The phenotype is how an organism expresses or evidences a feature. It is the expression of a gene that codes for a trait.

It refers to the organism's observable physical, biochemical, or behavioral characteristics.

The phenotype is influenced by the individual's genotype and the action of the environment. It depends on how many genes are involved in the feature expression, the interaction among them, and the inheritance pattern.

1. Homozygous Dominant ⇒ b. Having the same dominant alleles: BB

2. Homozygous Recessive ⇒ e. Having the same recessive alleles: bb

3. Heterozygous ⇒ a. Having different alleles Bb

4. Phenotype ⇒ d. Physical Trait such as Black Fur or White Fur.

5. Genotype ⇒ f. Letters that represent the actual genes: Bb, BB, bb

6. Complete Dominance ⇒ h. A relationship in which one allele is completely dominant over another (Someone with the genotype Bb has brown eyes)

7. Codominance ⇒ c. A condition in which both alleles for a gene are fully expressed (A white flower and a red flower creating a white flower with red spots)

8. Incomplete Dominance ⇒ g. Coses in which one allele is not completely dominant over another (A white flower and a red flower creating a pink flower)

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which of the following describes ghrelin? A. a peptide released by the magnocellular cells of the hypothalamus when the stomach is empty B. a peptide highly concentrated in the stomach that is released into the bloodstream when the stomach is empty C. a peptide highly concentrated in the intestines that is released into the bloodstream when the intestines are empty D. a peptide released by the magnocellular cells of the hypothalamus when the stomach is full

Answers

Ghrelin is a peptide hormone that is highly concentrated in the stomach and released into the bloodstream when the stomach is empty. So, option B is accurate.

Ghrelin is a peptide hormone produced by the stomach and released into the bloodstream, primarily in response to an empty stomach. It is often referred to as the "hunger hormone" because it stimulates appetite and food intake. Ghrelin acts on the hypothalamus, a region in the brain that controls hunger and food intake, to increase the sensation of hunger and stimulate the release of growth hormone from the pituitary gland.

In addition to its effects on hunger and growth hormone release, ghrelin has also been shown to play a role in the regulation of glucose metabolism, cardiovascular function, and immune function. Abnormalities in ghrelin levels have been linked to various metabolic disorders, including obesity, type 2 diabetes, and metabolic syndrome.

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A. Write 'T' for true and 'F' for false sentences.
1. Herbivores have sharp cutting teeth. 2. We give nutritious food to cows and buffaloes to make them strong.
3. Flesh eating animals have strong chewing teeth.
4. A frog chews its prey before it swallows.
5. Eagles have strong claws to tear up flesh..​

Answers

Answer:

3.flesh eat animals have strong chewing teeth it is __F

Answer:

f

Explanation:

because of all the chewing they do , it wears down the teeth

The theory of Copernicus contained six hypotheses:

The sun is at the _______ of the planets.

The Earth is ______ of the planets.

All the planets _______around the sun.

Each planet revolves around the sun in its own______ and at different _______
.

The moon______ around the Earth.

The stars are ______part of the solar system.

Answers

Sun is at the Centre

All the planets revolve around sun
Each planet revolves around the sun in its own orbit and at different speed
The moon revolves around the sun

Dont know 2

Answer:

The theory of Copernicus contained six hypotheses:

The sun is at the center of the planets.

The Earth is one of the planets.

All the planets orbit around the sun.

Each planet revolves around the sun in its own orbit and at different distances.

The moon orbits around the Earth.

The stars are not part of the solar system.

Explanation:

hope this helps :)

ORGANISM A single, self-contained, living thing

Answers

True
Hope this helps?

What stage of cell respiration is being shown above?

What stage of cell respiration is being shown above?

Answers

The stage of cell respiration that is being shown above is oxidative phosphorylation. During this stage, the transport of electrons is coupled to the generation of an electrochemical gradient.

Cellular respiration can be defined as a series of metabolic reactions by which aerobic cells generate energy in the form of ATP.

Cellular respiration has three main stages: glycolysis, the Krebs cycle and oxidative phosphorylation.

During oxidative phosphorylation, the transport of electrons across the mitochondrial membrane is coupled to the generation of an electrochemical gradient, which is then used to generate ATP by an ATP synthase as shown in the figure.

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Give two structural features that can be used to separate a housefly, millipede and a tick into their respective classes

Answers

The number of legs and type of mouthparts can be used to separate a housefly, millipede and tick.

The number of legs and type of mouthparts are two structural features that can be used to separate a housefly, millipede and tick into their respective classes. Houseflies are insects and have three pairs of legs, or six legs total. They also have mouthparts designed for sucking and lapping up liquid food.

Millipedes are arthropods and have many pairs of legs, with each body segment having two pairs. They have mandibles designed for grinding up vegetation.

Ticks are arachnids and have four pairs of legs, or eight legs total. They have chelicerae for piercing the skin of their hosts and feeding on blood.

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Fimbrias and pili differ in that

Answers

Answer:

Explanation: true

in a hypertonic solution, water will move ____ because there are too many solutes outside of the cell ?

A.both into and out of the cell

B. Out of the cell

C.into the cell

Answers

Answer:

B because it's a hypertonic solution... that means it's concentrated so water moves out of the cell into the solution

Answer: B

Explanation: hyper means above.

Why are Chongqing, Wuhan, Nanjing, Shanghai and Anqing called the Five Tigers of the Yangtze River?

Answers

Answer:

Chongqing, referred to as Ba and Yu, also known as Bayu, Shancheng, Yudu, and Qiaodu, is one of the four central municipalities in China, five national central cities, a national historical and cultural city, and the world's hot spring capital; the four major international metropolises positioned by the State Council, the Yangtze River It is the economic center, financial center and innovation center of the upstream region, as well as the center of politics, shipping, culture, science and technology, education, communication, etc., the national comprehensive transportation hub, and the large-scale water, land and air transportation hub in the western region. Chongqing is located in the southwest of China, in the core area of ​​the economic belt in the upper reaches of the Yangtze River, surrounded by the Yangtze River and the Jialing River.

Explanation:

Which image shows the type of leukocyte responsible for antibody production?

Which image shows the type of leukocyte responsible for antibody production?

Answers

The type of leukocyte responsible for antibody production is shown by option D.

What is leucocyte?

We know that a leucocyte is a white blood cell. There are three types of blood cells that we have in the human body and these kinds of blood cells are;

White blood cells

Red blood cells

Blood Platelets

Now we know that the white blood cells are the ones that re responsible for the fighting of the organisms that tend to invade the body. The shape of the leucocytes that act as antibodies also reflects the function of the blood cells.

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Which image shows the type of leukocyte responsible for antibody production?

A loan of $ 8000 was paid back in 3 years of monthly installments $400. the interest on the loan as a percentage was?​

Answers

Answer:

43.2%

Explanation:

When taking the sum and dividing it between 36 mo aka 3yrs, you get 222.222222. And the difference is 43.2%

Please figure out the 3 number code!

Please figure out the 3 number code!
Please figure out the 3 number code!
Please figure out the 3 number code!
Please figure out the 3 number code!
Please figure out the 3 number code!

Answers

Answer:

your answer should be 143

Explanation:

Fossils are preserved remains of ancient life. Which of the following would be considered fossils? A. hair and flesh of a woolly mammoth preserved in ice B. dinosaur footprints preserved in rock C. rock-like pieces of bones from an ancient fish D. all of the above ​

Answers

Answer:

d

Explanation:

please give brainlest need 2 more

define cell and atom​

Answers

Answer:

Cell: All living organisms are made up of cells, which are the basic building components. Cells also carry the body's genetic material and have the ability to replicate themselves. Cells are made up of several components, each of which serves a particular purpose. Organelles, for example, are specialized structures that perform specific activities within the cell.

----------------

Atom: Protons, neutrons, and electrons are the three subatomic particles that make up an atom. The nucleus, which is made up of protons and neutrons, is at the core of the atom, while electrons float around in a tiny cloud above it.

-------------------------

hope it helps...

have a great day!!

In regular reflection, the angle of incidence and angle of reflection add to 180 degrees add to 90 degrees are equal

Answers

Answer:

The answer to this is really simple….

Since angle of incidence is equal to the angle of reflection, we can also say that angle between the incident ray and reflected ray is twice the angle of reflection or incidence.

Hope that helps.

Thank you

Organism made up of only one cell, like a paramecium or an amoeba ?

Answers

Answer:

amoeba made up one of the only cells.

Prokaryote is what you’re lookin for I think

WHATS A FISHI??------------------------------

Answers

Answer:

any of a large group of vertebrate animals that live in water, breathe with gills, and usually have fins and scales

Explanation:

HELP!!!
Which of the following statements is not true with regards to the Calvin Cycle?

a. Ribulose bisphosphate is regenerated by the end of one cycle.

b. Carbon fixation occurs when carbon dioxide is added into the ribulose bisphosphate molecule.

c. The reduction phase of the Calvin Cycle culminates with the production of glucose or sucrose.

d. NADPH and ATP produced by the light reactions are only used during the reduction and regeneration
phases of the Calvin Cycle.

Answers

All of the given statements are true about Calvin cycle:

Ribulose bisphosphate is regenerated by the end of one cycle.Carbon fixation occurs when carbon dioxide is added into the ribulose bisphosphate molecule.The reduction phase of the Calvin Cycle culminates with the production of glucose or sucrose.NADPH and ATP produced by the light reactions are only used during the reduction and regeneration phases of the Calvin Cycle.

Calvin cycle is the first process of light-independent reactions where the inorganic carbon dioxide is trapped from environment to convert it into a stable organic molecule. There are three steps of Calvin cycle: carbon fixation, reduction and regeneration.

Reduction phase of the Calvin cycle is where the first stable organic product of the Calvin cycle undergoes reduction to form glyceraldehyde-3-phosphate (G3P).

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