Cell membrane questions
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Answer:

He loses Consciousness

Explanation:

Because of his struggle to breathe he will eventually lose consciousness

An indication that a man might be choking includes the loss of consciousness. Thus, the correct option is C.

Choking is the inability of an organism to breathe which is caused by a blockage in the throat or windpipe. Choking occurs when an object or food particle becomes lodged in the throat or the trachea. It blocks the airflow. If the airflow is blocked in the trachea, choking can be a medical emergency and it needs urgent attention as it could lead to death.

The main symptom of choking is an inability to breathe or talk. There may be coughing. In severe cases, the skin may also turn blue. Another important indication that a man might be choking is the loss of consciousness.

Therefore, the correct option is C.

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Answer:

False

Explanation:

The best pH for soil is around 7-8 and the plant needs some of the microbial organisms to grow.

Answer:  The correct answer is False

Explanation:  This has been confirmed correct.

While some acidity is helpful, high acidity damages the root systems of plants.

Answer:

A producer

Explanation:

Answer:

a producer

Explanation:

I'm not sure how specific you have to be with your answer like saying "plants" or "the sun", but I do know it's producer.

Answer: They are not regulated by contact inhibition.

Explanation:

Contact inhibition is a form of controlling cells. Cancer doesn't have contact inhibition, which is one of the reasons why it spirals out of place so easily.

Answer:

They are Not regulated by contact inhibition.

Explanation:

The other 3 options are not characteristics of a cancer cell. Cancer cells have unlimited cell division, no anchorage dependent inhibition, no contact inhibition, and forms tumors - hence they don't form a single layer of cells.

The translation is one of the important processes of the central dogma, in which the messenger RNA molecule is decoded in a ribosome.

The answer can be given as:

In the translation, the mRNA sequence is decoded to produce the anticodons within the ribosomes. The translation of amino acids starts with the starting code AUG. The tRNA anticodon complementary to the mRNA will produce UAC.

In RNA, thymine is replaced by uracil, which is complementary to adenine. Thus, the UAC codes for methionine will be formed.

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The products of Photosynthesis are the reactant of cellular respiration. So, the correct option is (B).

Cellular respiration is defined as the process by which organic fuels are oxidized in the presence of an inorganic electron acceptor such as oxygen to produce large amounts of energy to drive the bulk production of ATP.

It works in the presence or absence of oxygen. But crucially, the process is called cellular respiration because the cell "respires" in a way that takes in molecular oxygen (as the electron acceptor) and releases carbon dioxide (as the end product).

The cellular respiration is represented as

[tex]C_6H_1_2O_6 + 6O_2 ---- > 6CO_2 + 6H_2O[/tex]

Their reactant are the products of Photosynthesis.

So, the products of Photosynthesis are the reactant of cellular respiration. So, the correct option is (B).

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the temperature of mercury is not regulated and the atmosphere easily floats away while being replaced with solar wind .

Mercury has a thin atmosphere.

Answer:

One benefit of eating honey is that it could increase your insulin level and help control your blood sugar. Replacing sugar with honey can also be beneficial, considering how honey is a source of antioxidants and has anti-inflammatory properties.

Explanation:

The characteristic which is an advantage of se×ual reproduction is genetic variation.

This can be defined as difference in DNA among individuals or the differences between populations.

This form of reproduction is made possible through the type of cell division known as meiosis in which four unique daughter cells are produced which explains the variations being present.

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Answer:

hey buddy I gess It will help you

Carbon dioxide is transported in the blood from the tissue to the lungs in three ways:1 (i) dissolved in solution; (ii) buffered with water as carbonic acid; (iii) bound to proteins, particularly haemoglobin. Approximately 75% of carbon dioxide is transport in the red blood cell and 25% in the plasma.

Answer:

-Vinegar

-Sugar water

-Soda pop in a sealed bottle

Explanation:

Answer:

A. vinegar

D. sugar water

F. soda pop in a sealed bottle

Explanation:

just did it on edge 2020

Answer:

The endocrine system is a chemical messenger system comprising feedback loops of the hormones released by internal glands of an organism directly into the circulatory system, regulating distant target organs. In humans, the major endocrine glands are the thyroid gland and the adrenal glands.

Answer:

Light energy is harnessed in Photosystems I and II, both of which are present in the thylakoid membranes of chloroplasts. In light-independent reactions (the Calvin cycle), carbohydrate molecules are assembled from carbon dioxide using the chemical energy harvested during the light-dependent reactions.

Explanation:

Answer:

they help create new cells

Answer:

It is active. The person above me is wrong. Trust me.

Explanation:

Answer:

♡Hiya there♡

-- The answer is C, I did research and saw it's true ♡

~Clara

✧･ﾟ: *✧･ *:･ﾟ✧*:･ﾟ✧･ﾟ: *✧･ﾟ *:･ﾟ✧*:･ﾟ✧✧･ﾟ: *✧･ *:･ﾟ✧*:･ﾟ✧･ﾟ: *✧･ﾟ

Explanation:

Answer:

C

Explanation:

protein synthesis occurs in ribosomes

Answer:

Upon tissue injury, damaged cells release inflammatory chemical signals that evoke local vasodilation, the widening of the blood vessels. Increased blood flow results in apparent redness and heat. In response to injury, mast cells present in tissue degranulate, releasing the potent vasodilator histamine.

Explanation:

Answer:

Mitochondria have an important role in cellular respiration through the production of ATP, using chemical energy found in glucose and other nutrients. Mitochondria are also responsible for generating clusters of iron and sulfur, which are important cofactors of many enzymes

Explanation:

Answer:

deletion!

Explanation:

edge 2020

Deletion mutation is an example of frame-shift mutation.

Frame-shift mutation is a type of mutation in which the reading frame of a DNA (nucleotide) sequence is altered.

DNA or RNA is made up of nucleotides subunits, which is read in a particular pattern. When this reading pattern is shifted, frame-shift mutation is said to occur.

Deletion mutation and insertion mutation are the two kinds of mutation that results into frame-shift mutation.

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Answer:

Among common liquids, water exhibits a distinctly high surface tension due to strong hydrogen bonding between its molecules. As a result of this high surface tension, the surface of water represents a relatively “tough skin” that can withstand considerable force without breaking. A steel needle carefully placed on water will float.

Answer:

The correct answer is B make cells produce a functional CFTR protein.

Explanation:

Cystic fibrosis is a disease that is caused due to the mutation in the transmembrane protein known as cystic fibrosis trans membrane conductance regulator or CFTR. Cystic fibrosis trans membrane regulator proteins helps in the formation of thin mucus and due to the mutation in CFTR the mucus becomes thick.The disease cystic fibrosis basically affect the respiratory system.

If gene therapy is used to treat cystic fibrosis then it can replace the mutated CFTR gene with a functional one so that the cell containing CFTR gene can produce functional CFTR protein.

Answer:

A. gene therapies to fix the CFTR gene

C. inhalers to deliver CFTR to the cells

Answer:

0.36g

Explanation:

Given parameters and conversion to standard unit

 To solve this problem we must assume ideality

Volume of N₂H₄  =  350mL  = 0.35dm³

Temperature of container  = 50°C  = 50 + 273  = 323K

Pressure  = 885torr;

               760torr  = 1atm

               885torr  = [tex]\frac{760}{885}[/tex]   = 0.86atm

Unknown:

Mass of the compound  = ?

Solution:

The mass of the compound can be derived using the expression below;

         Mass = number of moles x molar mass

molar mass of N₂H₄ = 2(14) + 4(1)  = 32g/mol

To find the number of moles;

       PV  = nRT

          n  = [tex]\frac{PV}{RT}[/tex]

P is the pressure

V is the volume

R is the gas constant = 0.082atmdm³mol⁻¹K⁻¹

T is the temperature

         n  = [tex]\frac{0.86 x 0.35}{0.082 x 323}[/tex]   = 0.01mole

So,

    Mass  = 0.01 x 32  = 0.36g

Answer:

Just take ur best guess

Explanation:

Answer:

If you place a sprouted onion with the roots down in a glass of water, it will continue to grow on the top with new shoots. You can either cut off the top part and use it in recipes, or plant the whole onion, roots and all, in soil and watch it grow. All types of onions will regrow.

Answer:

3rd one

Explanation:

Answer:

this is my answer

Explanation:

i think it's the 2 one

Answer:

A germline mutation, or germinal mutation, is any detectable variation within germ cells (cells that, when fully developed, become sperm and ovum). Mutations in these cells are the only mutations that can be passed on to offspring, when either a mutated sperm or oocyte come together to form a zygote.

Explanation:

Answer  It is found in the chloroplasts

Explanation:

Answer:

Iron (Fe)

Explanation:

Answer:

After a few decades, there will be only small fishes, as directional selection will be acting in this population.

Explanation:

Directional selection increases in the proportion of individuals with an extreme phenotypic trait. Individuals expressing the other phenotypic extreme might be receiving different pressures that drive them to decrease their fitness. These pressures, in general, might be related to food access, niches availability, reproduction, predation, among others.

In this example, there are two extreme phenotypic traits, large and small fishes. Large fishes are being predated by fishermen, who prefer large individuals rather than small ones. Large fishes fitness start to decline, as they are being hunted. Only small fishes get to survive, they get to reproduce and hence, to have better fitness. Natural selection is acting on the size of these animals, favoring the small-sized ones. Over a few decades, the directional selection will increase the proportion of small fishes.

There are certain types of fish in the lake that the fishermen can catch using the nets. As they don't like the small ones which get out of the holes of the net.  

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