What are the little hairs that line the nasal cavity and help trap microorganisms?

Answer:

Nucleic acids are key macromolecules in the continuity of life. They carry the genetic blueprint of a cell and carry instructions for the functioning of the cell.

Explanation:

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First we need to determine the average atomic mass of these isotopes.

The atomic masses of Lithium-6 and Lithium-7 are 6.0151amu and 7.0160amu respectively.

Now that we have that, we need to set up the relative abundance problem.

We can do that using the formula (M1)(x) + (M2)(1-x) = M(E)

Because you asked for details, I'll explain what each variable stands for-

M1 = the mass of one isotope

x = the relative abundance

M2 = the mass of the second isotope

M(E) = the atomic mass of the element from the periodic table

Therefor all we do now is plug in our respective variable.

M1 = 6.0151amu (Lithium-6)

x = unknown relative abundance

M2 = 7.0160amu (Lithium-7)

M(E) = 6.94004amu

Now the formula plugged in will look like this:

6.0151x + 7.0160(1-x) = 6.94004

Now doing some quick math, we can determine that x=0.07589

For the last step we need to find the percent abundance of each element, which is quite simple. We take X and multiply it by 100 to find Lithium-6, so 0.076 x 100 = 7.6%

and since then we use 1 - X, so 1 - 0.076 = 0.924

We take that and also multiply it by 100, so 0.924 x 100 = 92.4%

Conclusion:

The abundance of the Lithium-6 isotope is 7.6%, and the abundance of the Lithium-7 isotope is 92.4%.

Please ask if you have any questions and I hope this was helpful!

Answer:

Genes

Explanation:

The hereditary information (inherited information) is contained in genes, located in the chromosomes of each cell.

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Answer:

When we gain insight into animal behavior, we are in a stronger position to understand vexing conservation problems, such as how to save endangered species, assess environmental quality, design nature preserves, and evaluate the importance of human-related threats to survival in otherwise fit animals.

Explanation:

Answer:

The nucleus controls and regulates the activities of the cell (e.g., growth and metabolism) and carries the genes, structures that contain the hereditary information. Nucleoli are small bodies often seen within the nucleus.

Explanation:

Answer:a

Explanation:

The video with the necessary information to answer the question is missing. So, an irrigation system definition and example will be given.

An irrigation system is a structure made of tubes, hoses, and sprinkles; Its function is to water plants or crops with the correct amount of water and in an evenly way.

A simple irrigation system that will help grow plants at home is a plastic bottle with small holes connected to a hose with a tube that can lead the water from the hose to the bottle without losses. The bottle with its holes works as a sprinkler.

In conclusion, irrigation systems are in lawns, fields, or gardens, and they water the plants evenly so that they can grow. There are many types, but we can build a simple one with a bottle.

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Answer:

The answer is D. At the top of the swing where it briefly stops before changing direction.

Explanation:

When the pendulum is either at its far right or left position, the bob is at rest and therefore its kinetic energy is equal to zero- making it the lowest point of kinetic energy during the whole process.

Answer:

The answer is C

Explanation:

because when your on the swing the most kinetic energy is where you start to go to the upwards part right when the drop happens

it allows you to swing up very high making the option C correct

Answer:

true

Explanation:

The sodium and chloride ion concentrations are lower inside the cell than outside, and the potassium concentration is greater inside the cell. These concentration differences for sodium and potassium are due to the action of a membrane active transport system which pumps sodium out of the cell and potassium into it.

Answer:

Answer:

nitrogen and oxygen

Explanation:

Nitrogen and oxygen account for 99 percent of the gases in dry air, with argon, carbon dioxide, helium, neon, and other gases making up minute portions.

The correct answer is option B. Diploid

The secondary nucleus is formed by the fusion of two polar nuclei which is a diploid.

Answer:

B

D

F

Explanation:

Answer:

I, II, and III.

Explanation:

Immune response may be defined as the type of response generated by the body against the pathogens. The immune response is important to kill the pathogens.

Fever is a type of immune response generated to kill the pathogen by increasing the body temperature. The number of white blood cells of the body increases to fight against the pathogen. The inflammatory response may also generated to kill the pathogen.

Thus, the correct answer is option (E).

Answer:

Reasons I would be concerned about eating GMO foods:

Explanation:

The FDA declaring them to be "substantially equivalent" to non-GMO foods amid controversy that adequate scientific testing had not been done.

Michael Taylor being in the FDA when "substantial equivalence" was declared. Michael Taylor was a Monsanto employee before taking the position at the FDA.

The technology itself of taking a gene from one species and inserting it into another species (horizontal breeding). While that may be perfectly harmless it is new technology that many believe has not been proven to be safe.

Greater amounts of pesticides being used on GMO crops, which means more pesticides may be getting in our foods.

Crops that are engineered to produce an insecticide in the plant itself possibly having harmful health effects on us. There is some evidence that this may be happening.

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Producers are described as autotrophic, which means they are able to make their own food. Just like producers on land, producers in the marine environment convert energy from the sun into food energy through photosynthesis. Phytoplankton are the most abundant and widespread producers in the marine environment

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Answer:

The canopy cover can affect the results of an investigation because a higher canopy cover is accompanied by a decrease in the availability of sunlight.

The canopy cover is the proportion of the ground covered by vegetation when it is viewed from vertically above the planted area.

The level of canopy cover affects light availability on the ground and also its microclimate, thereby this feature can also alter any biological experimental procedure by affecting the level and type of biodiversity.

A reduced canopy cover may alter any experimental outcome by increasing the energy/light input in the ground cover stratum, thereby likely affecting biodiversity.

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Answer:

The primary enzyme involved in this is DNA polymerase which joins nucleotides to synthesize the new complementary strand.

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                                                  .Stamen.

Structure. As a plant's reproductive part, a flower contains a stamen (male flower part) or pistil (female flower part), or both, plus accessory parts such as sepals, petals, and nectar glands (Figure 19). The stamen is the male reproductive organ. It consists of a pollen sac (anther) and a long supporting filament.

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Answer: Genetic Linkage

Explanation:

It's during the meiosis stage of sexual reproduction.

Answer:

c

Explanation:

etc uses oxygen

photosynthesis uses carbon dioxide

The best  statements could describe the differences between the electron transport chain in cellular respiration and photosynthesis is the electron transport chain in cellular respiration uses oxygen, and the one in photosynthesis does not. Thus, option C is correct.

Photosynthesis is a biochemical reaction that combines chemicals with biological species to produce energy. Atoms of hydrogen bond with carbon to form glucose.

Carbon dioxide and hydrogen are the reactants that are used from the environment by the plants to make energy. Glucose and oxygen are the products. Splitting water into oxygen gas, hydrogen ions and electrons produces the energy for subsequent electron and proton transport and provides the energy to produce the sugars the plant needs.

The hydrogen atoms from the environment are absorbed by the plants and are combined with the carbon dioxide to yield glucose or sugar molecules for energy.

Therefore, The best  statements could describe the differences between the electron transport chain in cellular respiration and photosynthesis is the electron transport chain in cellular respiration uses oxygen, and the one in photosynthesis does not. Thus, option C is correct.

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#SPJ6

Answer:

D

Explanation:

Answer:

d i just took the test

Explanation:

Answer:

46 chromosomes

Explanation:

There are 46 chromosomes in a typical human body cell. (23 pairs of chromosomes)

how many chromosomes are in a typical human body cell?

46 chromosomes

The normal number of chromosomes in every cell of a typical human body is a total of 46 chromosomes, or 23 pairs.

The viral envelope closely resembles the eukaryotic cell wall. That is option D.

The virus is a type of microorganism that contains DNA (Deoxyribonucleic acid) and surrounded by a protein coat.

There are different types of viruses which include:

The parts of a virus include:

The viral envelope is the external part of the virus, which is made up of proteins and lipids, and is capable of protecting the virus from harm.

Also the cell wall of the eukaryotic cell wall also protects these organisms from external harm.

Therefore, the viral envelope closely resembles the eukaryotic cell wall.

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Answer:

the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct.

Answer:

Can you add a list?

Explanation: