Answer:
Water Weeds have a main extra feature that plant cells have is a cell wall on the outside. So it's mostly made of cellulose, which gives a tough covering on the outside of the cell membrane. And therefore, gives plant cells a distinctive polygonal outline. And the reason why Onion cells aren't green is that cells deep within the structure of plants are not green. Second, not all onion cells are lacking in green color. The bulb of the onion lacks green, but the stem and leaves of the onion plant are green. The reason the bulb is white, and not green is that it has no chlorophyll.
- Hope this helps
Chlorophyll, a distinctive green substance (pigment), fills the chloroplasts. The cell uses this green pigment to absorb light photosynthesis. Cells in onions are not green. No light, hence bacteria don't require chloroplasts.
What does chlorophyll do for your body?Supplement companies assert that chlorophyll has a wide range of benefits, and including ability to increase red blood cells, aid in weight reduction, mend damaged skin, remove toxins, reduce inflammation, and prevent cancer. It's an amazing list, yet only a few of the statements are supported by research. nausea while your digestive system processes the chlorophyll. vomiting, which can harm your teeth by producing stomach acids.
Is it safe to take chlorophyll everyday?An abundance of essential vitamins and minerals may be found in chlorophyll extracts, which also have great pro government, antibacterial, and antioxidant properties. Chlorophyll can be used daily without harm, albeit the recommended quantity varies depending on the type of green you eat. Consuming saffron milk, peppermint tea, clove tea, green tea, protein drinks, green vegetable smoothies, etc fiber-rich juices will drastically reduce you body fat over night.
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What causes the phases of the moon?
Answer:
Just like the Earth, half of the Moon is lit by the Sun while the other half is in darkness. The phases we see result from the angle the Moon makes with the Sun as viewed from Earth. ... We only see the Moon because sunlight reflects back to us from its surface.
May I please have a brainliest? <3
Hope this helps-xoxo
Answer:
The rotation and revolution of the Moon around the Earth. And the Sun' s light reflecting off the surface of the moon
Explanation:
look at the highlighted portion of the graph. Which of the following is the best explanation for what is occurring within the population during this time period?
Answer:
It’s a birthrate> death rate
Explanation:
I don’t to be honest I just guessed and got it right
Answer:
birthrate > death rate
Explanation:
A collection of cells with similar function forms -
Answer:
Tissue is a collection of cells with similar function forms.
Explanation:
why you add water to Sulphur dioxide and put a blue Litmus Paper in it why does it turns red
Answer:
Because it produce weak acid and acid turns blue lithmus paper to red.
Explanation:
Sulphur dioxide SO2 react to added water to produce acidic product.
When sulphur dioxide react with water, it produce sulphurous acid H2SO3 which is a weak acid.
One of the properties of acid is that they turn blue lithmus papper to red, because the product is an acid, blue lithmus papper turns to red.
1-2 sentences Identify the black lines in the image and explain what they represent.
HELP
PLEASE GIVE ME 5 REASONS ON WHY IT IS IMPORTANT TO SAVE THE ENVIRONMENT.
PLEASE DON’T COPY FROM WEBSITES WORD FOR WORD
I WILL MARK YOU AS BRAINLIEST
Explanation:
.For the our health because if the environment is saved the we are able to get the fresh air.
.For decreasing global warming because if environment is saved then the pollution is controlled.
.For decreasing deforestation which can control landscape because saving the environment can also be taken as saving trees.
For saving the animals because the habitat of animal is forest which need to be protected by protecting environment.
.For saving the natural resource which are also the reasons of income because it attracts tourists.
Which are the four steps of mitosis?
Explanation:
everything but interphase
Answer:
prophase, metaphase, anaphase, and telophase
Explanation:
These phases occur in strict sequential order and cytokines- the process of dividing the cell contents to make two new cells.
Hope this helps!
Describe ways in which a healthy artery differs from an artery affected by coronary heart disease
Answer:
A healthy artery is wider and has no blockages. The lumen (which is the hole in the centre of the artery), is open and clear. This means there is more blood flow. An artery of a person suffering from coronary heart disease is often blocked, usually by a fatty deposit. This means the blood does not flow as well. (See diagram, in which I would draw two arteries, one with a blockage of fatty deposit, one clear and healthy).
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What is the importance of the main nutrients cycle?
What is an atom’s atomic number? the number of electrons in an atom the number of neutrons in an atom the number of protons in an atom the number of bonds in an atom
Answer:the number of electrons in an atom the number of neutrons in an atom the number of protons in an atom the number of bonds in an atom
Explanation:
Answer:
the number of protons in an atom
Explanation:
edge2020
Which acid and base react in the formation of salt sodium chloride? (A. hydrochloric acid and sodium hydroxide (B. sodium carbonate and chlorine (C. sodium hydroxide and sodium chloride
Answer:
The answer is a
why is the tongue considered an organ?
Answer:
The tongue can be viewed as an organ. It’s comprised of various tissues that give it its own functions that no other organ can replace, it has its own innervation, irrigation, lymphatic and venous drainage. Those are the characteristics that define an organ.
Answer:
Hmm.
Explanation:
The tongue is considered an organ because it has a special job to do.
'Organ, in biology, a group of tissues in a living organism that have been adapted to perform a specific function.
'The tongue is a muscular organ in the mouth of most vertebrates that manipulates food for mastication and is used in the act of swallowing. It has importance in the digestive system and is the primary organ of taste in the gustatory system.'
Out of the three physical states: ice, liquid water and vapor, why do you think water exists as a liquid the most o n our planet?
I think it is because of the temperature of the earth.
If ice was the most common physical state on our earth it would be because of how cold it would be. Other way around with vapor.
Drag each tile to the correct location. The tiles can be used more than once. Megan observes four cells under a microscope and makes sketches of them as shown. Identify whether the cells are prokaryotic or eukaryotic.
Answer:
The correct image with related to question is attached please do check.
Explanation:
Genetic material or Nuclear material can be found in the cell either in "nucleus" a membrane bound organelles or found in the cytoplasm. This is the major difference between prokaryotic and eukaryotic cell.
In prokaryotic cell the genetic material that is DNA, and RNA is not present in the nucleus as there is no body like nucleus for instance figure 2 and 3 whereas in eukaryotic organisms it is present in a nucleus like in figure 1 and 4.
Answer:
1. eukaryotic cell
2. prokaryotic cell
3. prokaryotic cell
4. eukaryotic cell
Explanation:
I got it right on plato.
3. For each of the following chemicals, list the subunit(s). Designate (with a star or asterisk) which
are considered to be polymers. (2)
a. polysaccharides
b. nucleic acids
c. proteins
d. lipids
what are the two types of eukaryotic cells?
Answer:
animals, plants, protists, and fungi
which is not included in the partnership-based approach to conservation of the US fish and wildlife service?
cooperation
consultation communication contemplation
Answer:
Consultation.
Explanation:
Consultation is not included because there is no need for it in US fish and wildlife service. Cooperation, communication and contemplation are needed in order to conserve the US fish and wildlife service in a good manner. Cooperation is required in order to fulfill the common goal and communication between different departments is also necessary. contemplation refers to examination and inspection which is very important for achieving the goal.
what do i have in common with a tree?
Answer: You both grow and its take some time for both of you to grow you both need Air that is what you've got in common.
9. AAC is a codon that codes for the amino acid:
serine
lysine
asparagine
isoleucine
Answer:
asparagine
Explanation:
take a look at the graph attached, it helps identify codon sequences.
The codon AAC codes for the amino acid asparagine. Asparagine is a non-polar, neutral amino acid that is found in all living cells. Hence option C is correct.
It is involved in a variety of cellular processes, including protein synthesis, cell signaling, and energy metabolism.
The other answer choices are incorrect. Serine is coded for by the codon AGU or AGC. Lysine is coded for by the codons AAA or AAG. Isoleucine is coded for by the codons AUA, AUC, or AUU.
Therefore, option C) asparagine is correct.
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What determines the carrying capacity of an ecosystem?
a. the number of different types of organisms in an ecosystem
b. the amount of available resources
c. the square mileage it encompasses
d. the ratio of biotic to abiotic factors
Answer:
the answer is B. the amount of available resources
Explanation:
The carrying capacity of an ecosystem determines the amount of available resources. Therefore, option B is correct.
What is an ecosystem ?The term ecosystem is defined as the community or group of living organisms that live together and interact with each other in an environment. The biotic and abiotic components are linked together through nutrient cycles and energy flows.
Ecosystem plays an important role to purify our air, maintain our soil, regulate the climate, to clean our water, recycle nutrients and provide us with food. They are at the foundation of all civilization and sustain our economies.
The carrying capacity of an ecosystem determines the amount of available resources. Carrying capacity depends on many abiotic and biotic factors in the ecosystem.
Thus, option B is correct.
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Which role of bacteria is the most beneficial in terms of maintaining the health of the plant populations in our ecosystems?
Bacteria serving as a major food source for secondary consumers.
Bacteria aiding in digestion in the intestines of animals.
Bacteria producing oxygen for the oxygenation of the earth's atmosphere.
Bacteria decomposing dead materials which returns nutrients to the soil.
Answer: Bacteria producing oxygen for the oxygenation of the earth's atmosphere.
Explanation: ????????? NOT FOR SURE
Why is it important for molecules to able to travel into and out o your body's cells?
The function of the transport proteins is to maintain the internal environment of the cell's salt, nutritional, and protein balance within a range that ensures the survival of the cell and the organism.
What is importance of a molecule to move across the cell?Biology places a great deal of importance on the passage of substances into and out of cells (for example, nutrients into and poisons out), as without it, no cell and hence no organism could survive for very long.
Moving chemicals throughout the body is essential for living cells. Transporting chemicals into and out of cells is necessary.
Examples include oxygen, carbon dioxide, and dissolved food. Active transport, osmosis, and diffusion are used to accomplish this.
Therefore, transport of a molecule into and out of cell is important to functioning of cell.
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For each picture, select from the drop-down menu the main type of carbohydrate the food contains.
monosaccharide
disaccharide
polysaccharide
Answer: rice=polysaccharide grapes=monosaccharide Milk=disaccharide
Explanation:
What would happen if a plant cell is placed in a solution of salt?
How could increasing the number of plants help you decrease error in the experiment? Check all possible reasons.
It would increase the sampling error.
It would reduce the significance of any single measurement error.
It would make calculations easier.
Having more data would make the average height less affected by one or two plants that are randomly shorter or taller.
It would make a plant’s death less of an issue.
Answer: Increasing the number of plants in an experiment will help decrease the error, because you have more test subjects to run the test on.
Explanation:
The more subjects that you have have the more tests you can run, this will give you a chance to get more accurate and consistent results. When completing an experiment, you normally have to run 5 or more tests in order to get a goos set of data. So by increasing the number of plants you test on, you'll be able to get a better set of data.
You are required to make 10mL of a 0.5M solution of HCl. Your stock solution of HCl is 90M. Using distilled water (dH2O) as a solvent, how much of each component will you need to make the desired final solution?
Answer:
0.0556 mL of 90 M HCl would be taken and 9.944 mL distilled water added to make 0.5 M, 10 mL HCl solution.
Explanation:
From the dilution equation:
Initial molarity (m1) x initial volume (v1) = final molarity (m2) x final volume (v2).
In this case, m1 = 90 M, v1 = ?, m2 = 0.5 M, and v2 = 10 mL
v1 = m2 x v2/ m1 = 0.5 x 0.01/90 = 0.0000556 L
v1 = 0.0556 mL
This means that the initial volume of 90 M HCl to be taken is 0.0556 mL. Since the final volume to be prepared is 10 mL,
10 - 0.0556 = 9.944 mL
Hence, 0.0556 mL of 90 M HCl would be taken and 9.944 mL distilled water added to make 0.5 M, 10 mL HCl solution.
A researcher measured the temperature at which two different samples of double-stranded DNA denature (separate into single strands) Sample 1 denatured at a significantly lower temperature
than sample 2 did. Based on the data, the researcher claims that the DNA in sample 2 is composed of a higher percentage of guanine and cytosine than the DNA in sample Ils
Which of the following best supports the researcher's claim?
Sube
The bonds between guanine and cytosine are covalent bonds, which require more energy to disrupt than those between adenine and thymine
B
Guanine cytosine pairs denature at a higher temperature because they have more hydrogen bonds between them than adenine-thymine pairs do
с
Aderine thyminepalis require less energy to separate because adenine and thymine are both single-ring bases
D
Guinine cytosine pas require more energy to separate because one is purine and one is a pyrimidine
Answer:
The correct option is b
Explanation:
There are four nitrogenous bases that can be found in a DNA molecule; Adenine, Thymine, Guanine and Cytosine. The adenine on one strand can only bond (hydrogen bond) with the thymine on the complimentary strand (to form base pair) and vice versa while the guanine on one strand can only bond (hydrogen bond) with the cytosine on the complementary strand (to form base pairs) and vice versa.
There are three hydrogen bonds between Guanine and cytosine base pair while there are two hydrogen bonds between adenine and thymine base pair; hence, DNA samples with higher guanine-cytosine base pairs denature at a higher temperature than DNA samples with lower guanine-cytosine base pairs or with more adenine-thymine base pairs. This is because, it requires more energy to break the triple bonds between the guanine-cytosine base pairs than the double bonds of adenine-thymine base pairs.
From the description above, we can deduce that the correct option is b
Answer:
the correct answer is D
Explanation:
i have checked the answer in a flashcard
Characteristics of Life (question is in the picture)
Answer:
i think you can add
growth
excretion
responsiveness
movement
reproduction
growth
Explanation:
Can someone help me out?
Which of the following leads to genetic variation in gene pools?
A. gene flow C. mass extinctions
B. isolation D. punctuated equilibrium
Answer:
b
Explanation: