What is 0.0000914 in scientific notation?
a b c or d

Answer: myelin sheath

Explanation:

The axon is covered by a myelin sheath. The axon passes information to the next neuron or other cell in the body. A myelin sheath.

A destiny with loneliness built into its DNA why, the DNA of the peoples of Easter Island is unique, there is a theory that suggests that long before Europeans discovered the island (in 1722), it served as a meeting place for the Polynesian people and Native Americans. Thus, the Rapa Nui would have in their DNA a mixture of these peoples. That theory was driven by an article published in 2014 that showed that today's Rapa Nui have 8% Native American DNA in their genome.

The Rapanui, who populated Easter Island,

These results call into question previous research that claims that there was contact and that it may have occurred several centuries earlier.

This is the first time Rapa Nui's ancestral DNA has been sequenced. It's the result? None of the five samples showed DNA from Native American ancestors.

What is right so far? It doesn't seem like much... the mysteries of Easter Island continue...

In this way, the author wanted to say that the DNA of the peoples of Easter Island is unique.

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Answer:

rabbit

Explanation:

herbivore

Answer:

Answer:

estrogen and progesterone

Explanation:

both are the major hormones for emotional and physical changes

Answer:

i think its the first one

Explanation:

The greatest tool to use to compare the wings of two distinct butterflies and identify which is a Viceroy butterfly and which is a Monarch butterfly is a scanning electron microscope, hence option C is correct.

A focused stream of electrons is used by an electron microscope known as a scanning electron microscope (SEM) to scan a sample's surface and produce images of the material.

Various signals that reveal information about the sample's surface topography and composition appear as the electrons make contact with the sample's atoms.

The electron beam is scanned using a raster scan pattern, and an image is produced by fusing the position of the beam with the intensity of the signal that is detected.

Therefore, to compare the wings of two distinct butterflies and identify which is a Viceroy butterfly and which is a Monarch butterfly with a scanning electron microscope,  hence option C is correct.

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The given question is incomplete, so the complete  question is,

You are learning about mimicry in entomology. Which microscope would be best to look at the wing of two different butterflies to determine which i a Monarch Butterfly and which I a Viceroy Butterfly?

compound microscope

dissection microscope

scanning electron microscope

tranmiion electron microcope

Answer:

A transfer RNA (abbreviated tRNA and formerly referred to as sRNA, for soluble RNA) is an adaptor molecule composed of RNA, typically 76 to 90 nucleotides in length (in eukaryotes), that serves as the physical link between the mRNA and the amino acid sequence of proteins. Transfer RNA (tRNA) does this by carrying an amino acid to the protein

Explanation:

Answer:

The answers below⤵

Explanation:

Mangroves serve as a shoreline protection.

Option (B) low to high is right Answer

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We know that, Active transport moves ions and molecules across a membrane against the concentration gradient. It requires energy.

The characteristic features of active transport are:

-The movement of molecules in case of active transport is from lower concentration to higher concentration so it shows uphill transport.

-These have carrier proteins that are highly specific like enzymes for the substances to be carried across the membrane.

-The process of active transport can be inhibited by inhibitors that react with the protein side chains.

-The transport rate reaches its maximum when all the protein carriers are in use or get saturated with the substances to be carried.

The various types of processes that depend on active transport are:

-Absorption of amino acids from the gut.

-Absorption of mineral ions by plant roots.

-Excretion of urea and hydrogen ions by the mammalian kidney.

-Exchange of sodium and potassium ions in nerve cells.

-Filling of the contractile vacuole in amoeba.

The phloem in the leaves of a plant is rich in sugars because of the high rate of active transport.

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Cheers :))

Answer:

Explanation:

Answer:

Somatic cells or meiosis

Explanation:

Answer:

The word amino acid is short for carboxylic acid. And that is what amino acid is, an organic acidic carboxylic group, and that every molecule has a central carbon with a carboxylic group attached to it.

Explanation:

Hope this help!

Species are organisms which have similar characteristics and are capable

of interbreeding. A common example is we human beings.

Resources leads to species biodiversity as a result of organisms moving

from one place to another in search of food for its survival. The availability

of resources will lead to an increase in reproduction and species

biodiversity as more organisms will be present in the area.

Scarcity of resources on the other hand results to lower species biodiversity

and decreased reproduction rate.

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Answer:

D

Explanation:

Hope this helps

Answer:

I'm pretty sure its D - hibernation

Explanation:

Torpor means a state of physical or mental inactivity, or lethargy.

Hibernation means an extended period of inactivity.

They are both used for survival in cold weather.

Answer: C

Explanation: A good experiment does everything it can to eliminate confounding, or the influence of external sources on the data being measured. Orange juice could be a factor that plays a role in curing the symptoms, so provide a group with and without orange juice gives you the ability to show that the influence of orange juices didn’t have an effect on the cold, or did, but it gives you a baseline to show the effects of the medicine with and without orange juices.

Answer:I don’t know this one.

Explanation:but it should be a

Division of cells resulting in the development of an embryo from a zygote happens after fertilization. Therefore, option "A" is correct.

The creation of a single cell known as a zygote by the fusion of a female gamete is egg and a male gamete a sperm. The biological process of fertilization in animals entails the union of a sperm as the male gamete and an egg as the female gamete or ovum.

The three techniques of internal fertilization are oviparity is an egg deposited outside of the female body, oviparity is an egg kept within the female, and viviparity is said to be developed within the female followed by live delivery.

Therefore, fertilization is the first step in the development of the zygote and the development of life.

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Nature vs. Nurture both influence the observed traits of an organism.

The controversy between nature and nurture have been an ongoing discourse for many years. It is believed that the traits of an organism are dependent on genes inherited from the parents. Another school of thought believes that environment alone has the sole influence over the traits of an organism.

However, most scientists today are of the opinion that the influence of nature and nurture are intertwined and they both work together to influence the traits exhibited by any organism.

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Answer:

The enzymes BamHI and EcoRI form double bonds and produce sticky ends that facilitate the cloning process. The plasmid DNA can be linked by DNA ligase in the correct orientation in the host genomic DNA.

Explanation:

Answer:

B

Explanation:

jus CS its right

The relative humidity of the air affects how much water vapor it can hold. 30°C (86°F) with cloudy skies would air hold less water vapor than it holds at 30°C (86°F) with sunny skies. So, the correct option is B.

Relative humidity (RH) measures the amount of moisture in the air compared to the maximum amount of moisture in the air at a given temperature and pressure. It is a standard figure for describing the moisture content of the air and is expressed as a percentage.

At a given temperature and pressure, air is considered to have 100% relative humidity when it contains all the moisture it can hold. The temperature at which the moisture in the air begins to condense into droplets is known as the dew point.

Therefore, the correct option is B.

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Answer:

D: Both A and B.

Answer:

itosis is a process where a single cell divides into two identical daughter cells.

Explanation:

Mitosis is the only type of cellular division in which number of chromosomes is maintained

During the phase of the cell cycle known as mitosis, duplicated chromosomes are physically split in half to form two new nuclei. Mitosis is a method of cell division that results in the production of cells that are genetically similar and in which the total number of chromosomes is preserved. Since this occurs during mitosis, the process is often referred to as equational division.

Mitosis serves a very vital purpose in living creatures, and one of its functions is the regeneration and replacement of worn-out and damaged tissues. Mitosis contributes to the generation of identical copies of cells and, as a result, assists in the process of healing damaged tissue or replacing cells that have been worn out.

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Explanation:

Rhinos have inhabited the African continent for over a million years and they play a huge role in their ecosystems. The illegal trade in powders made from their horns, which in some countries in Asia is still considered a medicine or simply a symbol of wealth, nearly led to the extinction of the African rhino.

In 1875, there were still more than 1,000,000 rhinos living in the vast grasslands of Africa. Today the populations of the two species of black rhino and white rhino are estimated to contain about 5,000 and 20,000 animals respectively. The senseless killings continue. Since 2007, the number of rhinos hunted in Africa has increased by almost 9,000%.

It is therefore our call to stop the slaughter of rhinos with all our might.

Answer:

slash and burn methods results in soil erosion due to the fact that it causes landslides, dust clouds and contaminated water. Soil washes away during rain and trees are no longer supported by the soil holding their roots in place

Answer: the first is Peripheral and the second blank is more