Which is an example of Gram-positive bacteria

The Fovea, a spot on the back of the retina, contains the highest concentration of cones in the retina.

The fovea centralis, often known as the fovea, is a tiny depression located in the neurosensory retina that has the best visual acuity.

There are a lot of cones in the macula lutea, commonly known as the fovea. These are the retina’s light-sensitive cells that provide clear, center vision.

The area that follows the spot of the retina located on the main axis of the eye is known as the fovea centralis. Since the fovea region of the retina contains the most cone cells, it offers the sharpest potential vision.

The 0.3 mm fovea centralis contains a strong concentration of cone cells.

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COMPLETE QUESTION:

From each example or definition classify as applying to either genotype or phenotype:

A pair of alleles, Brown hair, Haemophilia

-Genotype:

A pair of alleles (that make up an organism's genetic code.)

-Phenotype:

Brown hair, haemophilia (are examples of physical or physiological manifestations of the genes a creature contains.)

What is Genotype?

The genetic make-up of an individual, or the genes responsible for a trait or personality that is expressed in that person, is known as their Genotype.

A gene or a number of genes must be present for a trait to manifest, and the genotype is the result of the interaction of these genes.

Phenotype: what is it?

The way a gene manifests physically is called a phenotype. The phenotype is made up of every gene in an individual that is expressed or manifests physically.

A person is a combination of their genetic composition and environment. Consequently, the genotype determines the phenotype.

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The similarities plant and animal bodies and cells include:

The differences plant and animal bodies and cells include:

Plants are large eukaryotic photosynthetic living organisms found on the earth.

Animals are either multicellular eukaryotic organisms which lack the ability to manufacture their own food as plants do, but depend on plants and other animals for their food.

The similarities plant and animal bodies and cells include:

The differences plant and animal bodies and cells include:

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Answer:

Following are the steps to the given points:

Explanation:

This is the most diverse of all the marine ecosystems. This marine ecosystem not only includes great biodiversity but at least one quarter of all ocean species depend on it for food and shelter. This marine ecosystem is the coral reefs.

In the field of ecology, the coral reefs are considered to be having the most diversified species in them according to researchers. The great biodiversity present in coral reefs helps to make ocean life sustainable.

Underwater, there are thousands of coral reefs, referred to as polyps which help other aquatic organisms in many ways.

The polyps have an association with algae inside their body which is called the zooxanthella. This alga causes photosynthesis to occur due to which food is made for the polyp and other organisms of the ocean.

The coral reefs help humans in many ways such as clearing up the land for them. As the coral roofs are the biggest in diversity hence they help other organisms in many ways.

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Answer:

D, as you can see with the time. Collecting is very quick but eating not so much.

Explanation:

Based on that knowledge, lipid is the macromolecule i think it is most likely to be.

Lipid has been as defined as an organic compound that is unable to dissolve in the water. The example of the lipid is oils, waxes, hormones, and fats. The main function of lipid has to maintain the structure or components of the cell membranes, the storage site of energy, and most important molecule of the cell signaling.

The main function of the protein has to the maintain the structure and function of the organs, and to repair muscle, and muscles. Diet contains the high protein which has recommended for the purpose of losing weight, reducing fat, or increasing fat.

Therefore, Based on that knowledge, lipid is the macromolecule i think it is most likely to be.

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The statement that justifies the inference that Bailey is a supportive brother to Marguerite is 'I wanted to gobble up the room entire and take it to Bailey, who would help me analyze and enjoy it'.

Being supportive means that you are helpful to another person to achieve their goals or that you show interest in achieving their goals.

To show that Bailey is supportive brother to Marguerite, he helps Marguerite in solving his problems according to be the excerpt from the given passage.

The statement 'I wanted to gobble up the room entire and take it to Bailey, who would help me analyze and enjoy it' justifies his supporting roles as a brother.

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Complete question:

Which excerpt from “I Know Why the Caged Bird Sings” best justifies the inference that Bailey is a supportive brother to Marguerite?

Another Negro woman of her health and age would have been expected to carry the paper sacks home in one hand, but Momma said, "Sister Flowers, I'll send Bailey up to your house with these things."

I wanted to gobble up the room entire and take it to Bailey, who would help me analyze and enjoy it.

I was respected not as Mrs. Henderson’s grandchild or Bailey’s sister but for just being Marguerite Johnson.

Momma and Bailey were waiting inside the Store. He said, “My, what did she give you?” He had seen the books, but I held the paper sack with his cookies in my arms shielded by the poems.

Answer:  The slight positive charges on the hydrogen atoms in a water molecule attract the slight negative charges on the oxygen atoms of other water molecules

Explanation:

The genetic makeup of canine behavioral traits is of great interest to dog owners, breeders, experts in animal welfare, and researchers studying the genetics of animal (and human) behavior.

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Complementary is the term we use in to describe the structure of DNA.

leading strand

DNA is made differently on the two strands at a replication fork. One new strand, the leading strand, runs 5' to 3' towards the fork and is made continuously. The other, the lagging strand, runs 5' to 3' away from the fork and is made in small pieces called Okazaki fragments.

DNA  are double stranded one strand is parallel and other is antiparallel strand . In which the base pairs are complementary to each other

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+Control group is used as a standard reference for comparing treated groups. Thus, option c is correct.

Control group is important in a study as it makes a useful comparison of the study groups. Control group is kept constant.

In any study, two groups are included: One is the control group which is not under the subject of any treatment whereas the other is study group on which hypothesis of the study is tested by including independent variables.

Control groups are important in finding clinical investigations where the effect of any drug or treatment is compared in control group that is constant and in the study group which contains a part of treatment.

Thus, for every study, inclusion of control group is must.

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Answer:

Hormones respond to increased sunlight competition by stimulating increased stem elongation. Increased competition can cause plants to put more energy into stem elongation growth versus expanded leaf area.

Hormones encourage greater stem elongation in response to increased sunlight competition. Plants may invest more energy in stem elongation than enlarged leaf area in response to increased competition.

The hormones known as BR's are unique to plants and control a variety of physiological and developmental processes in them, including cell elongation, photo morphogenesis, seed germination, flowering, male fertility, and senescence.

Plant hormones control practically every element of a plant's growth and response to its surroundings.

Many plant hormones play important roles in the interactions between plants and helpful microorganisms.

They are active at extremely low concentrations and have precise spatial regulation of synthesis and response.

Therefore, using hormones to manipulate plant growth disturb the evolution pattern of plants.

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393 nm is the longest wavelength of radiation with enough energy to break the bond.

Wavelength = speed of light * Planck’s constant / energy

Value of Planck’s constant = 6.626×10−34 J.s

The carbon-nitrogen bond energy is 305 kJ/mol.

The given energy is in kJ/mol and is converted into kJ/photon as illustrated below.

Energy (kJ/photon) = 305 kJ/ mol × (1 mol / (6.023×1023 photons)

=5.06 × 10−22 kJ/photon

=5.06 ×10−19 J/photon

The energy for 1 mole of photons is calculated as illustrated below.

Wavelength= Speed of light × Planck′s constant/Energy(J/photon)

Planck constant = 6.626 × 10−34 J.s

speed of light = 3×108 m/s

Substitute the values in the above equation.

Energy = (3 × 108m/s × 6.626 × 10−34 J.s) / 5.06 × 10−19 J/Photon

= 19.878 × 10−26J.m / 5.06 × 10−19 J/photon

= 3.93 × 10−7m × (109nm/1m)

=393nm

Hence, the longest wavelength of radiation with enough energy to break carbon-nitrogen bonds 393 nm.

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The experiment could be performed like take a beaker which is filled with water an spread the pepper onto the water surface and you can observe easily how surface tension holding layer towards upper side.

Surface tension is the property by which water surface tends to produce tension on it's surface, or we can say that surface is the tendency of liquid to shrink into minimum possible surface area.

Mathematically,

Surface tension is equal to force per unit length it means that force which act at a 1 meter length is called surface tension. By the virtue of surface tension bubble is formed.

Therefore, The experiment could be performed like take a beaker which is filled with water an spread the pepper onto the water surface and you can observe easily how surface tension holding layer towards upper side.

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Answer:

the Mitochondria helps to produce the energy necessary for the cell's survival and functioning

Explanation:

you can Remember the Mitochondria as the "Powerhouse of a cell"

The highlighted epithelium contains 5 layers in thick skin and the layers which would not be found in thin skin is referred to as stratum lucidum.

This is referred to as the largest organ which is found in the body and comprises of different substances such as fats, protein etc. The skin is in involved in the protection against pathogens ans other foreign bodies. It is a sense organ and contains receptors for stimuli such as heat, touch etc.

Stratum lucidum on the other hand refers to the layers of clear dead cells present on the skin and are usually translucent when viewed under a microscope.

It is not present in the thin skin and are mostly found in the thick layers. They are commonly found in the parts of the body such as palms which is therefore the reason why it was chosen as the correct choice.

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Autotrophs are able to (b) use photosynthesis.

Autotrophs are organisms which are able to produce their own food by utilizing light, water, carbon dioxide and certain other chemicals. Most of the autotrophs use photosynthesis to prepare their food. They utilize the sunlight as a source of energy to synthesize glucose from carbon dioxide and water.

Autotrophs are also sometimes referred to as producers due to the fact that they can make their own food. A primary consumer is an organism which is dependent on autotrophs or producers for food. A primary consumer is also known as a herbivore since they feed on plants (producers).

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Besides looking at bones for identification of a missing person, other duties of a forensic anthropologist include analytical reasoning so that he can interpret and deduce results from observations.

The duties of forensic anthropologists include the ability to use their knowledge in making observations from bones. They should have an analytical mind so that they can easily relate observations to results. They should also be able to help in enforcing the law. Besides human bones, they should also have the ability to identify other bones if they are related to a crime scene. Special skills, such as recognition of trauma in the bones, shall also be their duty.

Some of the other job responsibilities of someone in this career field include the ability to determine the gender, age, and ancestry of a skeleton that has been found. Their job responsibility also includes the ability to travel at any time to a crime scene in order to make observations. They should also be able to make peer reviews. It is also their responsibility to follow all codes of conduct while collecting data.

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Answer:

Your answer is-exocytosis

Explanation:

in a Hypotonic solutions  the cell tend to swell by allowing water to flow into it, whereas in hypertonic solutions the cell will shrink by drawing water out of it.

Hypertonic solution contain dissolved particles like salt and electrolytes. Osmosis is a process where solvent moves from less concentrated solution to high concentrated solution through a semipermeable membrane.

When the cell placed in hypertonic solution  the solvent from cell moves out due to osmosis and the cell to shrink.

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Population growth of prey species is the outcomes would you expect after removal of a top predator from a community.

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T cell failure is a defining trait of both cancer and persistent viral infections. A PD-1+ Tcf-1+ CD8+ T cell subset with the ability to self-renew and differentiate into more terminally differentiated cells that downregulate Tcf-1 and express additional inhibitory molecules like Tim3 has been identified in recent studies of chronic lymphocytic choriomeningitis virus (LCMV) infection.

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The actions are taken to increase development of science and agricultural are drip irrigation, more effective fertilizer and newly developed seed helped in proficient crop growth.

Given that the agricultural industry has the ability to improve food security, reduce poverty, and lower child mortality through better nutrition, among other goals, it is well-positioned to contribute to the Sustainable Development Goals (SDGs, often known as the "post-2015" development agenda).

Crop rotation, interplant, implementing land forms, raised beds, water management and heat tolerant can be a help help to increase the development in agriculture.

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This is most likely due to differences between strains is: MHC proteins. The MHC genes encode proteins that the immune system uses to distinguish between "self" and "other" cells and tissues in the body.

Immunological Variations from C57BL/6 to BALB/c :

-Innate immunological responses between C57BL/6 and BALB/c vary, particularly between type 1 and type 2 helper T cells (Th1 and Th2). Th1 immune response and IFN production are crucial in C57BL/6 mice. --Alternatively, the Th2 immune response, which is frequently seen in allergy reactions and infectious illnesses, is simpler to induce in BALB/c mice.

-Compared to C57BL/6 mice, BALB/c mice tend to elicit a higher humoral response.

-At the H2 location of the major histocompatibility (MHC)class I gene locus, these strains have different gene sequences; BALB/c mice are H2d, whereas C57BL/6 are H2b.

-The H2 locus is the site of genetic variation between these two strains. Certain monoclonal antibodies (mAbs) must be utilized to do this since some antiserum or antibodies that may respond to the cells of both strains cannot distinguish between the MHC haplotype.

-The difference in Listeria monocytogenes sensitivity between C57BL/6 and BALB/c mice can be attributed to variations in dendritic cells' early interleukin 12 (IL-12) production.

C57BL/6 mouse: Low incidence of various tumors: There is a low natural incidence (0% -1%)for breast cancer, and it is difficult to cause cancer with carcinogens.

BALB/c: This strain of mouse has a low incidence (3%) for breast cancer, while the rate increased when induced by the mouse mammary tumor virus(MMTV).

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Answer:

Rhizobium is the bacteria that might occur in root nodules of legumes. decomposing bacteria denitrifying bacteria nitrogen-fixing bacteria.

It shows symbiotic relationship.

Answer:

none none none none none

Answer:

C Enzymes lower the activation energy of a chemical reaction