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Answer:

Plants take in carbon dioxide (CO2) from the air through the stomata, or pores in leaves.

Explanation:

Plants take in carbon dioxide (CO2) from the air through the stomata, or pores in leaves. Chlorophyll is found in the chloroplasts of cells and absorb the sunlight energy needed to change water and carbon dioxide into glucose.

Plants take in carbon dioxide (CO2) from the air through the stomata, or pores in leaves.

A complete leaf has: blade (blade), petiole or sheath, and a pair of leaf appendages called stipules at the base of the petiole. The sheath is the terminal portion of the petiole that embraces the stem and is generally well developed as in the case of Poaceae.

Plants take in carbon dioxide (CO2) from the air through the stomata, or pores in leaves.

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Answer:

Nitrogen is important to plants because without nitrogen plants would not be able to make food (photosynthesis).

Nucleic acids (DNA and RNA) are polymers of nucleotides each of which consists of pentose sugar, phosphate molecule, and one nitrogenous base (adenine, guanine, cytosine, uracil, and thymine).

Explanation:

The nitrogen cycle is important biologically because nitrogen is a major constituent of phospholipids, ATP, and other energy-storing molecules, it is a component of amino acids proteins, and nucleic acids, and it forms the framework for organic molecules that are essential to all organisms, and the processes in the mitochondria require major amounts of nitrogen.

The nitrogen cycle may be defined as a type of biogeochemical cycle through which nitrogen and its derivatives move through both living and non-living things within the entire atmosphere. It involves the series of processes through which nitrogen and its compounds are interconverted in the environment.

The nitrogen cycle is not important biologically because the atmosphere is composed of 78% nitrogen; therefore nitrogen is freely available to all living organisms, regardless of where it is in its cycle.

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Answer:I assume from your question that you are working with actual cells and that making the cell membranes de novo is not an option. Thus your only option (excluding extensive genetic modification of the cells) is pretty much to try to load the outer leaflet of the membrane with cholesterol or saturated, relatively long chain sphingolipids or phospholipids. (Well, easiest would be to decrease temperature, but because temperature affects pretty much every chemical and physical process, it would not tell you much about the specific role of fluidity.) Usually people use beta-cyclodextrins for cholesterol loading and gamma-cyclodextrins for phospho-/sphingolipid loading. In principle lipid exchange proteins would probably be better but with far, far higher cost.There are a few things to keep in mind. First, you need a good control to ensure that it is the change in membrane composition that affects the vesicle formation. Preferably you should also verify the fluidity of the cell membranes. This brings us to our second point to keep in mind. One problem with the cholesterol loading of the membranes is that cholesterol tends to uncouple the fluidity from the lipid chain order, resulting at higher mole fractions with saturated acyl chain rich membrane in fluid but ordered liquid-ordered phase. Otherwise the fluidity (i.e. how easily the lipids diffuse in the membrane) and chain order (i.e. how many kinks the chains tend to have) are more or less coupled, as kinks tend to push the lipid molecules farther apart. So, you will need preferably a few different types of reporter systems on fluidity, e.g. FRAP of a fluorescent lipid, Laurdan GP value, and, ideally some method for monitoring chain order, but this is very hard to do in cells that have very strong background fluorescence at the wavelengths of good chain order reporters like DPH-PC. The third problem is that because of the coupling between the chain order and area occupied by chains the preferred shape of the lipid molecules shifts with temperature from the initial (for unstressed bilayers) cylindrical towards a cone (with the polar headgroup at the peak). In addition, because the cholesterol has a very small headgroup, the increasing mole fraction of cholesterol causes similar effect. Occasionally this is referred to as HII propensity, because an easy way to quantify the effect is to look at the temperature where the system undergoes a phase transition from a (bilayer) L-alpha phase to cylindrical HII phase. If this happens on one leaflet only and if there is nonuniform concentration of the components, it tends to favour invagination and budding of the vesicles. This is something that is pretty much guaranteed to affect the vesicle budding process. Firstly, by reducing the headgroup area and inducing clustering by cleaving sphingomyelin with sphingomyelinase into ceramide it is possible to induce the invagination and vesiculation of the ceramide rich domains in model membranes in the absence of any other protein than sphingomyelinase (see the papers by Holopainen and Kinnunen, Vectorial Budding etc. in Biophys. J., and by Nurminen, Holopainen, and Kinnunen in J. Am. Chem. Soc.). In addition, it affects the energetics of the fusion/fission stalk, I think you can find papers on this by Kozlov in Biophys. J. The fourth problem is that the changes in the composition tend to affect the bending rigidity of the membrane that of course affects the energetics of the membrane bending processes like invagination and vesiculation.It is probably easy to see that successful, significant modification of the membrane composition affects the vesicle formation, but it is so complex to try to isolate the effect of fluidity of the vesicle formation that I doubt it can be done convincingly in live cells, at the very least in would need to involve numerous modifications while using sophisticated systems to record their effects on the properties of the membranes, including microdomain formation. Most likely it would require experiments using a full, reconstituted vesicle budding machinery with giant vesicles and accompanied by coarse-grained simulations to isolate the various effects of the modifications. So, to summarize, quick and dirty experiments with cholesterol loading can be done, but they do not tell you much about what property it was that caused the effect observed.

Explanation:

Answer:

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Explanation:

Yes, they can use the NASA Star Finder. Thus, the correct option for this question is C.

NASA Star finder may be defined as an object that tracks a star, like a camera, takes a picture of the star patterns in its view, and significantly compares the picture with its built-in star maps.

A NASA star finder is able to track any sort of star at any location. Similarly, it has the capability to locate the cities of Rabat in Morocco and Beirut in Lebanon which are both at the 34°N latitude. This is the efficiency of such type of object that is significantly based on the accurate function of the satellites.

Therefore, according to me, they can definitely use the NASA Star Finder. Thus, the correct option for this question is C.

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Geological timeline is the chronological dating of the organisms and the geological happening in the orderly manner of the years and dates. The oldest mammals lived 200 million years ago.

5 million years ago humans arrived, 200 million years ago first mammal organism, 1.5 billion years ago complex single-celled organisms and 4.5 billion years ago Earth was formed.

The geological timeline is important as it portrays the presence and arrival of the organisms and the formation of some of the structures.

Therefore, mammals arrived at option B. 200 million years ago.

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speed = distance/ time

Sally's speed = 200m / 39 s = 5.13 ms^-1

Answer:

Earthworms create a moist local environment for gamete fusion by secreting mucous.

Explanation:

Answer:

Thus, in eukaryotes, while transcription occurs in the nucleus, translation occurs in the cytoplasm.

Answer:

xylem → vascular tissue for movement from roots to leaves

phloem → vascular tissue for movement from leaves to roots

Root Hair → increases surface area for water absorption

Meristematic tissue → Growing Sections

Guard Cells → open and close to allow gas exchange

Explanation:

The xylem distributes water and dissolved minerals upward through the plant, from the roots to the leaves. The phloem carries food downward from the leaves to the roots.

Root hairs increase the surface area for the absorption of water and minerals from the soil.

Meristem is the name of the specific area where plant growth occurs.

Guard cells are cells surrounding each stoma. They help to regulate the rate of transpiration by opening and closing the stomata.

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Answer:

xylem → vascular tissue for movement from roots to leaves

phloem → vascular tissue for movement from leaves to roots

Root Hair → increases surface area for water absorption

Meristematic tissue → Growing Sections

Guard Cells → open and close to allow gas exchange

Explanation:

The xylem distributes the water and dissolved minerals upward through the plant, from the roots to the leaves. The phloem carries food downward from the leaves to the roots.

Root hairs increase the surface area for the absorption of water and minerals from the soil.

Meristem is the name of the specific area where plant growth occurs.

Guard cells are cells surrounding each stoma. They help to regulate the rate of transpiration by opening and closing the stomata.

Explanation:

Answer:

1. Build. Protein is an important building block of bones, muscles, cartilage and skin. In fact, your hair and nails are comprised mostly of protein.

2. Repair. Your body uses it to build and repair tissue.

3. Oxygenate. Red blood cells contain a protein compound that carries oxygen throughout the body. This helps supply your entire body with the nutrients it needs.

4. Digest. About half the dietary protein that you consume each day goes into making enzymes, which aids in digesting food, and making new cells and body chemicals.

5. Regulate. Protein plays an important role in hormone regulation, especially during the transformation and development of cells during puberty.

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Answer:

Control the rates of reactions

Form bones and muscles

Regulate cell processes

Fight diseases Transport materials in and out of cells

Answer:

Macbeth will be a thane, Macbeth will be king and Banquo's sons will be kings.

Explanation:

This is biology make sure to put your question under the English category.

Answer: partially negative

Explanation:

You didn't specify much what type answer you were looking for in the blank, so I assumed that you're asking for the charge of the particle.

The White Dwarf star has a high temperature but low luminosity.

Answer:

the answer is D

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Answer:

By matching a suspect’s DNA with DNA from a suspect’s distant relatives who have taken a commercial at-home DNA test, law enforcement can zero in on a perpetrator.

Ingested nutrients spend at least 12 hours in the small intestine as chemical digestion and absorption are completed.

Given: Ingested nutrients spend at least ______ hours in the small intestine as chemical digestion and absorption are completed.

Answer:

12 hours

Explanation:

Digestion is a form of catabolism or breaking down of substances that involves two separate processes: mechanical digestion and chemical digestion. Mechanical digestion involves physically breaking down food substances into smaller particles to more efficiently undergo chemical digestion.

Answer:

What did the fish say when he swam into a wall?

Dam.

Explanation:

No. You do not deserve to laugh.

Answer: i would say the answer is D

Explanation:

D. It is the best way to spread knowledge of science.

colorsAnswer:

A

Explanation:

We get our hair color from genes and there is a wide variety of hair colors for us :)

Answer: They are complementary

Explanation:

Essentially, two strands of DNA are complementary means that the bases are arranged along the molecule such that the chains fit together tightly so as to be lightly secured by hydrogen bonds

Answer:

B

Explanation:

They are complementary

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Proof in picture below.

Answer:

binary fission

Explanation:

Hope this helps...

Answer:

Binary fission

Explanation:

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Answer:

Organisms are made up of cells. Tissues become organs, organs become organ systems, and organ systems become organisms. An organism is essentially nothing more than a massive collection of diverse cells that collaborate for two main purposes. The immediate (immediate) purpose for this is to ensure one's survival.

Explanation:

Answer:

Canola is more healthier because it's lowered in saturated fat compared to vegetable oil. Vegetable oil is also blended in a mild flavor.

Explanation:

Explanation: the difference between the two is saturated fat.

Canola oil has 7% fat and 63% monounsaturated fat

vegetable oil has varies based on composition of oil

Canola is used for stir-frying, deep frying

Vegetable oil is used for HIGH heat frying and can substitute as butter or margarine

Answer:

which E represents units of energy, m represents units of mass, and c2 is the speed of light squared, or multiplied by itself.

Explanation:

M stands for Mass.

Answer: why is the location of zygote formation an adaptation to life on land? archegonium- only evolved in gymnosperms, ferns, angiosperms not in moss.

Explanation: Hope This Helps!

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The location of zygote formation an adaptation to living on land as protection and nourishment of the zygote becomes the prime aim of the parent organisms.

Zygote is the product of fertilization of two gametes. It is the first cell of an organism that divides and redivides to give rise to an entire organism. Thus, protection and nourishment of the zygote becomes the prime aim of the parent organisms.

The land plants usually retain their zygote within the female gametophyte, so that the zygote remains protected and can be nourished till it reaches a suitable condition to germinate. Retaining the zygote on the living gametophyte of land plants  allows it to be nourished by the parent plant.

During the process of fertilization when two gametes fuses together in the process of sexual reproduction the product of fusion is known as zygote and it is responsible for the growth of the foetus.

Therefore, The location of zygote formation an adaptation to living on land as protection and nourishment of the zygote becomes the prime aim of the parent organisms.

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Answer:

a

Explanation:

in plants photosynthesis take place in chloroplast ,which contain the chrophyll

Answer:

its b

Explanation:

Answer:

Fossil fuels

Explanation:

Fossil fuels can generate a large amount of electricity at a single location.

They can be found very easily.

They are cost-effective.

Transportation of oil and gas can be done easily through pipelines.

They have become safer over time