A Plant Is AA One-celled EukaryoteB One-celled ProkaryoteC Multicellular EukaryoteD Multicellular Prokaryote (2024)

Answer:

Due to the presence of limited number of species.

Explanation:

Bear island provide a great opportunity to decipher entire food chains because this island has many animals species which interact with each other or depend on one another due to the presence of less animals for feeding purpose. This island is isolated from the rest of the world so it provide a great opportunity to study the entire food chains that are present at that island. There is less number of species so knowing about their feeding choices is easier for the ecologists.

The bear island provide a great opportunity to decipher entire food chains is :

-Due to the presence of constrained number of species.

Bear Island

The bear island provide a great opportunity to decipher entire food chains is due to the presence of constrained number of species.

Bear island give a extraordinary opportunity to disentangle whole nourishment chains since this island has numerous creatures species which connected with each other or depend on one another due to the nearness of less creatures for nourishing reason.

This island is disconnected from the rest of the world so it give a awesome opportunity to consider the whole nourishment chains that are present at that island.

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Answer:

Merlin's paper discusses two types of data: artifactual and paleoethnobotanical. Give specific examples of each and describe the sources of data and the ...

Answer:

Vernix Caseosa

Explanation:

it's a waxy white substance that covers the babies skin.

Answer:

The skin is covered by VERNIX CASEOSA.

Explanation:

A waxy cheese like white substance.

This is produced by dedicated cells and have some protective roles during fetal development.

He demonstrated that SCD and sickle cell trait were due to the presence of abnormal 8-globin polypeptides in red blood cells. He demonstrated that the electrophhoretic mobility of B-globin from patients with SCD was different from that of healthy individuals. He demonstrated that both parents of multiple patients with SCD had low levels of sickled red blood cells. He hypothesized that SCD was a recessive trait and that the parents of patients with SCD would be heterozygous carriers. He demonstrated that the difference between B-globin polypeptides in individuals who were healthy and those with SCD is an amino acid substitution. He performed a peptide fingerprint analysis on B-globin from individuals with 84 84 and 89 88, which identified the segment of B-globin that was changed by the BS mutation. James Neel Linus Pauling Vernon Ingram

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Answer:

All but B are primary symptoms of lead exposure in children and infants

Explanation:

The effects of lead poisoning in infants and children are:

Slowed body growth

Kidney damage

Impaired hearing

Reduced IQ

Lead is commonly as joint toxicant that affects multiple body systems and is very harmful to young children.

Lead that is present the body is spread to the brain, liver, kidney and bones.

When it is stored in the teeth and bones, where it gathers over time.

Human exposure is usually measured through the measurement of lead in blood.

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Answer:

See the answer below

Explanation:

Genotype of a true-breeding white, disk-shaped fruit = WWDD

Genotype of a true-breeding yellow, sphere-shaped fruit = wwdd

Crossing the two:

WWDD x wwdd

WwDd

All the offspring (100%) will have the genotype WwDd with white, disk-shaped phenotype.

Assuming the cross is advanced to F2:

WwDd x WwDd

W_D_ 9 White, disk-shaped (9/16)

W_dd 3 White, sphere-shaped (3/16)

wwD_ 3 Yellow, disk-shaped (3/16)

wwdd 1 Yellow, sphere-shaped (1/16)

(See the attached image for the Punnet's square)

Answer:

to count cancer cells killed during chemotherapy

Explanation:

There are different methods for counting live cells and they include, among others, counting chambers (e.g., a hemocytometer), image analysis, flow cytometry, spectrophotometric techniques, impedance detection, etc. These laboratory techniques can be used to detect both live and dead cells. In flow cytometry, for instance, it is possible to detect death cells by analyzing the loss of membrane integrity, which is an indicator of death. However, in certain situations, is not required to differentiate between live and dead cells,and thus it is only required to know the number of cells that a sample contains (for example, for counting the number of immortalized cells cultured over several generations).

Answer:

b

Explanation:

edge 2021 :p

Answer:

Explanation:

This includes a decrease in the rate of maximal expiratory air flow (a decrease in FEV1 and the FEV1/FVC ratio) due to the increased resistance, and a reduction in forced vital capacity (FVC) correlating with the level of hyperinflation of the lungs.

1.facilitated diffusion

2.diffusion

3.osmosis

4.osmosis

5.active transport

6.cotransport

Answer:

All of the cells found in the blood come from bone marrow. They begin their life as stem cells, and they mature into three main types of cells— RBCs, WBCs, and platelets.

Answer:

The higher the stimulation frequency, the contractions will be more continuous and even additive.

Continuous stimuli reactivate muscle contraction once the action potential cycle is complete.

Explanation:

Muscle contractions can be continuous or cumulative once the action potential curve drops, since the action potential at the top of the mountain is in a refractory period.

I knit a graph of what cumulative contractions are like due to continuous stimulation.

In the graph I leave you pointed out some references:

mr = refractory moment

mnr = non-refractory moment (where the new stimulation is accepted and a more powerful cumulative muscle contraction is generated)

PA = potential for muscle action or contraction itself.

Answer:

C. Atoms lose energy as a gas changes to a solid.

Explanation:

Physical changes of matter take place by adding or removing energy from the matter.

In the given images, The left cylindrical is showing gas phase while the right cylindrical is showing a solid phase.

The process of conversion of gas into solid is called deposition. Deposition process takes place when atoms lose their energy and have high kinetic energy so they directly convert into solid and not into liquid.

Hence, the correct option is "C".

Answer:

c i took the quiz

Explanation:

Answer:

There are two organelles that produce proteins

The endoplasmic reticulum The ribosomes.

Explanation:

Answer:

ribosomes

Explanation:

D

Answer:

knirps (a gap gene)

wingless (a segment-polarity gene)

kruppel (a gap gene)

even-skipped ( a pair-rule gene)

hunchback (a gap gene)

hedgehog (a segment-polarity gene)

Explanation:

The gap, segment-polarity and pair-rule genes play central roles in controlling embryonic development of arthropods. In the first place, the gap genes are associated with the formation of contiguous body segments, thereby mutations in these genes result in gaps in the normal body plan of the embryo. For example, in Drosophila melanogaster, mutations in the knirps, Krüppel and hunchback genes result in deletion of body segments. These genes are also known to regulate segment polarity genes, which determine the polarity of the embryonic parasegments by modulating Wnt and Hedgehog signaling pathways. Finally, the pair-rule genes work together with gap genes to control embryonic development of alternating body segments.

To join two nucleotide in a polynucleotide, phosphodiester bond is used. The correct option is B.

What is phosphodiester bond?

A bond formed by a sugar group and a phosphate group; these bonds make up the sugar-phosphate-sugar backbone of DNA and RNA.

A diester bond connects two different nucleotides to form the nucleotide polymers DNA and RNA.

Thus, the correct option is B.

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Answer:

The correct answer is e.

Explanation:

Zinc is an essential intracellular trace element most abundant in the human body, which participates in important structural and catalytic regulatory functions, it is an integral part of many tissues, being essential for the synthesis of biomolecules such as DNA and proteins, as well as for degradation of the same. The deficiencies of any nutrient may be due to a decrease in its intake, an increase in the body's needs and therefore, its requirements, or a decrease in the bioavailability of the nutrient due to the way in which it is found in food. Zinc deficiency causes multisystemic, sometimes fatal, manifestations if not detected and corrected early. Symptoms of severe zinc deficiency are slowing or disruption of growth and development, delayed sexual maturation, characteristic skin rashes, chronic and severe diarrhea, impaired immune system, poor wound healing, loss of appetite, decreased sensitivity to the touch, night blindness, inflammation, opacity of the corneas and behavioral problems.

1. Dorsal column-medial lemniscal pathways - It would prevent the body from receiving stimuli related to pain and temperature: Corresponds to sensory pathways related to an organism's proprioceptive awareness. It is through these pathways that sensory stimuli and electrical impulses are transmitted from the body to the brain resulting in the display of quick and efficient responses. If cut, the individual would not be successful in receiving stimuli related to pain and temperature.

2. Anterolateral pathways - It would also prevent the sensation of pain and temperature, in addition to hindering the perception of touch and pressure: Located in the anterior part of the lateral column, this pathway is responsible for the transmission of nociceptive information, generally related to pain awareness. and temperature. Its cut would not only make it difficult to transmit these factors, but it would also make it difficult to transmit extroceptive information to the cortex.

3. Spinocerebellar pathways - would hinder information about the position of body members and joints: This pathway is located between the spinal cord and the ipsilaterally in the cerebellum. It consists of thousands of axonal fibers whose main function is to transmit information about the location of the body members, arms and legs, in addition to their joints. Its cut would make it difficult, or even prevent this information from being captured by the brain.

4. Pyramidal pathways - It would prevent the union of the cerebral cortex to the motor neurons of the spinal cord: It is formed by several axons that extend between the cerebral cortex and the spinal cord passing motor information that would be interrupted if the path was cut.

The Functional problems to be experienced when each fiber tracts is cut ;

1) Inability of to feel pain and temperature stimulus

2) Inability to perceive touch and pressure by the person

3) Inability to determine position of body organs like hands and legs

4) Prevention of the unionization of the cerebral cortex and the motor neurons

Every Fiber tract found in the human body system play a vital role in the overall functioning of the human therefore when any of the fiber tract is mutilated ( cut ) it presents some functional problems to the body.

When Dorsal column-medial lemniscal pathways is cut It would prevent the human body from receiving pain and temperature stimulus.

When Anterolateral pathways is cut the functional problem experienced is Inability to perceive touch and pressure by the person

When Spinocerebellar tracts are cut the individual will experience the Inability to determine position of body organs like hands and legs

When Pyramidal tracts are cut the functional problem experienced is the Prevention of the unionization of the cerebral cortex and the motor neurons located in the spinal cords

Hence we can conclude that the answers to your question are as mentioned above.

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Answer:

Hey there

It is believed that the dinoursars diminished from earth through a massive meteorite which weight 2 trillion tons which hit the earth causing maximum heat and it killed all the dinoursars

Explanation:

Have a nice day

Answer:

the process of breathing (inhalation)

Answer:

Respiration

Explanation:

Ap ex

Answer:

True

Explanation:

we don't need only natural resources to produce energy but artificial resources too.

Hope it helps.

Natural resources are required for all energy producing technology. So, the given statement is False.

What is Energy production?

The area of endeavours centred on obtaining energy supplies from natural resources is known as energy development. These activities include the creation of energy from fossil, nuclear, and renewable sources as well as the recovery and redistribution of energy that might have been lost.

The creation of energy requires a source. We cannot produce something without using natural resources, whether they are renewable or not. This is true whether the sources are renewable or not. For instance, radioactive minerals are required to operate nuclear energy.

Similar to how water, air, renewable power, coal, fossil fuels, natural gas, or any other source we choose are all already existing in nature, natural resources are needed for every energy-producing technology regardless of the industry we choose.

So, the given statement is False.

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Answer:

1. Yes

2. No

3. Yes

Explanation:

Yes, the elimination of the animal based foods decreases and reduce chronic diseases in many developed countries such as US and England etc. but meat is also very necessary for animal diet due to the presence of high protein content.

No, USDA does not promote the intake of an animal-based diet. this agency promote the intake of nutritious food in a limited amount so it does not cause any disease. They recommend the eating of Grains, Fruits, Protein, Foods, Vegetables and Dairy products in a limited amount.

Yes, the main cause of obesity in Americans is due to two reasons, first cause is the intake of meat in large amount and second cause is the decline in physical activity.

The success of the patients was due to combined effect of increased amount of fruits/vegetables and plants and the elimination of meats. By using these two element the patient will quickly recovered.

Answer:

Explanation:

This involves organic present in plant cell and the functions of all these various organelles.

A) turgor pressure - Central vacuole

B) ribosome production - nucleolus

C) support and flexibility - cytoskeleton

D) synthesis of complex polysaccharides - Golgi complex

E) photosynthesis - chloroplast

F) synthesis of secretory proteins - rough endoplasmic reticulum

G) detoxification of hydrogen peroxide - Peroxisomes

H) contains pigments in flowers - chromoplasts

I) storage of hydrolase - lysosomes

J) boundary of the cell - plasma memebrane

K) protein synthesis - ribosome

L) oxidation of sugars - Mitochondrion

M) cell shape and movement of organelles - cytoskeleton

N) information center - nucleus

O) steroid synthesis - Smooth endoplasmic reticulum

Answer:

Serine (S), Threonine (T) and Asparagine (N) are primary binding sites of carbohydrates, and thereby they are required to form glycoproteins (i.e., glycosylation products)

Explanation:

A transmembrane protein (TP) is a particular type of protein that crosses the cell membrane in order to enable the movement of ions and molecules. Transmembrane proteins are divided into alpha-helical and beta-barrel proteins. The N-terminal region of transmembrane glycoproteins can be required for N-linked glycosylation, which is an enzymatic mechanism capable of attaching oligosaccharides to proteins in order to form glycoproteins (glycans). N-linked glycosylation is a posttranslational protein modification that has distinct functions depending on the cell type and the protein region involved in such modification. For example, in the surface of immune cells, the N-linked glycans are capable of dictating the migration pattern of these cells.

Explanation:

The end result is glucose, with oxygen being the waste product. The two processes are similar in that they both produce energy, albeit in two different forms. They are different in that photosynthesis assembles the glucose molecule, while cellular respiration takes it apart.

Answer:

The amount of lipids stored as an energy reserve far exceeds the energy stored as glycogen since the human body is simply not capable of storing as much glycogen compared to lipids. Lipids yield 9 kcal of energy per gram while carbohydrates and proteins yield only 4 kcal of energy per gram.

Answer:

D. Artificial Selection.

Explanation:

Normal people can't breed cats by modifying their DNA, so options b and c are eliminated. Breeding cats for specific traits is not natural, so it is not choice a, either. Instead, selective breeding is d. artificial selection.

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Answer:

D. Artificial Selection.

Explanation:

the process by which the organism obtsin their their food is called feeding of living thing.

Answer:

Explanation:

Feeding is the process by which organisms, typically animals, obtain food. Terminology often uses either the suffixes -vore, -vory, -vorous from Latin vorare, meaning "to devour", or -phage, -phagy, -phagous from Greek φαγεῖν (phagein), meaning "to eat".