In the "abcd" rule for the symptoms of melanoma, the letters stand for question 15 options: actual size, bleeding, cancer stage, and dark appearence asymmentry, border irregularity, color, and diameter asymmetry, border uniformity, color, and delayed healing acute pain, bleeding, constant swelling, and diameter

The right option is B. holding up a bank (bank robbery) 
Instrumental aggression is a form of aggression which is carried out as a means of securing some reward or to achieve a specific goal. Holding up a bank (bank robbery) is an example of instrumental aggression because it is done for a specific goal which is to obtain money, assets or other property owned or held by the bank.

Answer: Option B

Explanation:

Instrumental aggression can be defined as showing an aggression for achieving goals. It is made o achieve some reward or to achieve an external goal such as victory.

In case of bank robbery the people will achieve money( reward) which acts as a signal of victory for the robbers.

So, bank robbing is an example of instrumental aggression.

The area of Rosemary’s brain that was likely damaged by the stroke is the Wernicke’s area. This is the region of the brain that is important as they are responsible for language development in which this might have been the reason as to why Rosemary doesn't understand what are the people around her telling her.

To promote shell formation calcium should be added more often the diet of layers.  Calcium is an important mineral for egg shell quality. It is the main component of the egg shell which consists of 95% of calcium carbonate. Deficiency of calcium in the diet of layers may lead to the reduction in eggs size and also the production, poor egg quality with high chances of breakage  and also an increased layer mortality.

Light collecting is one important property. This is determined by the diameter of the aperture and primary lens of the astronomical detector. The pupil of the eye is analogical to the aperture of the detector.

Another property is the formation of an image. Astronomical detectors have photosensors that convert the photons of light to electrical energy.  This is analogical to the eye retina (rods and cones).

Answer:

C. tropical rainforest

Explanation:

Because of the very dense canopy in the rainforest, little sunlight reaches the ground. For this reason most rainforest tree leaves are large and dark green, which aid them in capturing more sunlight for the photosynthesis process. Some trees will grow large leaves at the lower canopy level and small leaves in the upper canopy. These are strategies to reach sunlight in a leafy ecosystem where the light input is low.

The climbing vines apply this strategy of growing to maximize the sunlight they receive. Many start life in the canopy before sending roots down to the ground.

The Epiphytes live on the surface of other plants to make the most of the sunlight in the canopy layer.

Answer:

tropical rainforest

Explanation:

Yes, the order of amino acids in a protein is crucial and significantly affects its structure, function, and stability.

Proteins are polymers composed of a specific sequence of amino acids linked together by peptide bonds. This sequence is encoded by the genetic information in DNA.

The linear arrangement of amino acids determines how the protein folds into its three-dimensional structure. The folding of a protein is driven by various interactions between the amino acid side chains, including hydrogen bonding, hydrophobic interactions, electrostatic interactions, and disulfide bonds. These interactions occur between different amino acids in the sequence, and they dictate the specific folding pattern adopted by the protein.

The three-dimensional structure of a protein is intimately linked to its function.

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Answer:

Parasympathetic

Explanation:

In the experiment, table salt was placed on one side of a selective membrane and pure water on the other. After testing, the absence of ions on the pure water side indicates that the membrane only allowed sodium ions to pass, blocking chloride ions.

In an experiment involving planar bilayers, researchers added a solution of table salt (sodium and chloride ions in water) on the left side of the membrane and pure water on the right side. After thirty minutes, the presence of ions was tested on each side of the membrane, with the right side showing negative for ions. Considering the membrane is made from a polymer that allows only the diffusion of positive ions, we can conclude that the membrane is acting as a selective barrier, only permitting the passage of sodium ions (Na+) and not allowing chloride ions (Cl-) to pass through. This is consistent with the behavior of semipermeable membranes that are selective in their permeability to different types of ions.

The answer Is A (hope this helps)

The first genetic material on Earth was likely self-replicating RNA molecules, as postulated by the RNA World Hypothesis. The transition from RNA to DNA likely involved a primitive reverse transcriptase.

The first genetic material on Earth was likely self-replicating RNA molecules. This idea forms the base of the RNA World Hypothesis, which suggests these molecules could have been the first carriers of genetic information. Unlike DNA, RNA can act both as a genetic material and as a biocatalyst due to its ability to adopt complex tertiary structures that can perform biological activities, similar to proteins.

It is believed that the transition from RNA to DNA could have been facilitated by the evolution of a primitive reverse transcriptase, converting the RNA information into more stable DNA.

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The first genetic material on Earth was most likely self-replicating RNA molecules, as proposed by the RNA world hypothesis. Over time, the more stable DNA started to replace RNA for the storage of genetic information, possibly through the action of early reverse transcriptases.

The first genetic material on Earth was probably self-replicating RNA molecules. This idea stems from the RNA world hypothesis that proposes that RNA molecules could have been the first form of genetic material, prior to the evolution of DNA and proteins. This is because RNA, unlike DNA, has the dual functionality to both store genetic information and catalyze chemical reactions as enzymes do.

The experiments of Martha Chase and Alfred Hershey in 1952 provided proof that DNA was indeed the genetic material and not proteins. However, this does not contradict the RNA world hypothesis as it is believed that the more stable DNA eventually took over the role of genetic information storage from RNA.

One theory for the origin of DNA involves the role of retroviral reverse transcriptase. This enzyme converts RNA into DNA - a process known as reverse transcription. Therefore, it is proposed that DNA could have evolved from an RNA world through the action of these early reverse transcriptases.

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Answer is B) false.

According to 10 % law of energy transfer, when a predator such as hawk eats its prey such as snake in a grassland ecosystem , only 10 % of the available energy of the prey (snake) is transferred into the biomass of the predator (hawk). Most of the remaining energy is lost as heat to the environment.

The process of using the information in mRNA to synthesize a protein is known as Translation. It involves the decoding of the mRNA's codon sequence at the ribosomes to construct a protein from amino acids. The tRNA molecules bring the amino acids to the ribosomes.

The process of using the information in mRNA to synthesize protein is called Translation. This is a fundamental step carried out at the ribosomes in cells during protein biosynthesis. The mRNA's role is to serve as a template for the assembly of amino acids into a protein structure. Each triplet on the mRNA, called a codon, correlates with a specific amino acid. The tRNA molecules transport the correct amino acids to the ribosomes based on the codon sequence. The ribosomes perform the complex task of binding to the mRNA and accurately matching each codon with its appropriate amino acid, forming the final protein product.

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Answer:

It's genetics

Explanation:

The outdated term for infant-directed speech is motherese. Motherese refers to the simplified and exaggerated speech patterns that adults adopt when talking to infants and young children.

The outdated term for infant-directed speech is motherese. Motherese refers to the simplified and exaggerated speech patterns that adults adopt when talking to infants and young children. It is characterized by a higher pitch, slower tempo, exaggerated intonation, and a simplified vocabulary.

Motherese is believed to serve an important role in language development by capturing the attention of infants and helping them differentiate speech sounds. It also facilitates bonding and social interaction between parents and infants.

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The outdated term for infant-directed speech is motherese, which involves simplified speech patterns and exaggerated intonation to help babies develop language and communication skills.

The outdated term for infant-directed speech is motherese. This kind of language involves simplified speech patterns, exaggerated intonation, and repetition. These elements help babies develop their language and communication skills. For instance, infants can recognize their mother's voice and discern between familiar languages and foreign ones. They also show preferences for faces that align with the sound of spoken language.

Essentially, motherese aids in the early stages of language acquisition, from cooing to babbling and eventually to the formation of first words.

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Answer is B. Porifera

Members of the phylum porifera includes animals which lack tissues. These animals are also called sponges. These are the simplest multicellular animals. Even though they are multicellular, they do not have any tissues or organs. They have cellular level of body organization. Sponges are aquatic animals and water plays a major role in the feeding, exchange of gases and as well as excretion.

Final answer:

Phylum Porifera, which includes sponges, is the group of animals that lack true tissues, classifying them as parazoans.

Explanation:

The phylum that includes animals which lack true tissues is Porifera. Members of phylum Porifera, commonly known as sponges, are parazoans and do not possess true tissues. They display a simple organization and have multiple specialized cell types, but these do not form the complex tissues seen in more advanced organisms, like eumetazoans. Unlike the sponges in phylum Porifera, eumetazoans, such as those in the phylum Cnidaria, have true tissues, including outer and inner tissue layers. This structure enables more complex functions and body plans. Hence, the correct answer to the question of which phylum includes animals that lack tissues is B. Porifera.

Answer:

A sunshine recorder is a device that records the amount of sunshine in a given area. This helps to determine information about weather and climate as well as the temperature of a geographical area.

Explanation:

copy and paste this ^^^^

100%

Ribosomes are known to be the protein synthesizer of the cell and the attachment of the ribosomes to the membrane of the endoplasmic reticulum is to make it rough endoplasmic reticulum. However, the process of protein synthesis usually starts when mRNA moves from the nucleus to ribosomes on the surface of the rough endoplasmic reticulum.

The correct answer is option D, that is, about 1 percent.  

Pertussis also is known as a whooping cough is a highly contagious bacterial disorder. In the beginning, the symptoms are generally identical to those of the common cold with a fever, runny nose, and mild cough. This is succeeded by weeks of extreme coughing fits.  

Pertussis is caused by the bacterium Bordetella pertussis, it is an airborne disease. An estimated 16.3 million people globally were infected in 2015. The majority of the cases take place in the developing nations, and the individuals of all age groups can get affected. About 1 percent of the patients with whooping cough die annually.  

The death rate from whooping cough is less than 1% globally, with higher rates generally in developing countries. The best answer to the question is D. 1%, but this is still higher than the reality in many locations.

The mortality rate of whooping cough, also known as pertussis, is relatively low in developed countries thanks to vaccines and improved healthcare systems. According to the World Health Organization (WHO), the average death rate globally is far less than 1%, with higher rates generally occurring in developing countries due to limited access to medical care. Thus, the closest correct answer here is D. 1%, but even this is an overestimate for many places.

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Microtubules form the mitotic spindle during Prophase, align the chromatids in Metaphase, pull them apart in Anaphase, and disappear during Telophase. They play a crucial role in chromatid separation.

The mitotic spindle, composed of microtubules, plays a critical role in the stages of mitosis. In Prophase, the mitotic spindle begins to form, extending from the centrosomes which move to opposite ends of the cell. The microtubules also break down. In Metaphase, the spindle fibers from each centrosome connect to a kinetochore on each sister chromatid, aligning them along the middle of the cell. The microtubules then start to contract.

In Anaphase, the spindle fibers contract further, pulling the sister chromatids apart to opposite poles of the cell. Then, in Telophase, the spindle fibers disappear, and the cell begins to split in a process known as cytokinesis.

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The incorrect sentence in Erin's journal would be that the reflected ray passes back through the water and enters the air without bending.

Light rays travel from medium A to medium B and get refracted depending on the density of the 2 media.

Thus, when a light ray travels from air to water, it gets refracted at a particular angle and when the reflected ray travels back from the water to air, it also gets refracted at the same angle.

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The incorrect sentence in Erin's journal is: 'The reflected ray passes back through the water and enters the air without bending.'

Erin's journal contains a mistake related to the behavior of light when it travels between different mediums. Specifically, the incorrect sentence is:

'The reflected ray passes back through the water and enters the air without bending.'

Light rays refract (bend) when they transition from one medium to another, such as from water back into air, due to the change in speed as they move from a denser to a less dense medium. Therefore, the reflected ray should also bend when it moves from water to air.

Here is the corrected version of the paragraph:

This explanation aligns with the principles of refraction and reflection in physics.