Identify the functional group ALWAYS found in the following pair of monomeric organic molecules: fatty acids and amino acids.

The answer would be:

TRUE

You can learn more about models if you read on:

Models aim to gain a better understanding of an aspect or feature of the world by making it easier to visualize, define, quantify and the like by referencing it to something more commonly accepted by all. There are different types of models and each can be used depending on the aim.

If you want people to better quantify a certain aspect, then mathematical models can be used. If you want people to better visualize a certain aspect of the world, then graphical models be best. These are just some examples of models.

Final answer:

The evidence that all cells have the same DNA is that they all originate from a single cell created by fertilization, which then divides by mitosis. Differentiation enables these genetically identical cells to develop unique functions and structures by selectively expressing certain genes.(Option A)

Explanation:

The evidence that best supports the conclusion that all cells have the same DNA is A. Fertilization produces one cell, and that cell divides by mitosis. Mitosis is a process that ensures each new cell will have an identical set of chromosomes and, therefore, the same DNA as the parent cell. During development, all cells in a multicellular organism originate from this single fertilized egg, resulting in each cell containing the same genetic material. However, differentiation plays a crucial role in how these cells with identical DNA can develop into various types with distinct structures and functions.

Differentiation refers to the process by which cells become specialized in size, shape, metabolic activity, and function. Although each cell has the complete set of DNA, like actors reading different parts of the same script, they only 'read' or express the DNA sections relevant to their specific function. This selective expression of genes leads to the diverse cell types that form tissues such as skin, muscle, bone, and nerves.

Answer: The results are more likely to have errors.

Explanation:

An experimental process requires the repetition of a particular step during recording the observations. This process of repetition will allow the development of concordant readings. The similarities in the values of atleast three readings will suggest that the methodology applied is correct and results are accurate and precise. Accepting only one observation to include in the result will lead to inclusion of errors.

Renald completed only one trial of his experiment this will lead to the inclusion of the incorrect observation will likely to include errors in the results.

Answer: To protect the seed and aid in its dispersal

Fruit is a plant organ that is a characteristic feature of all the angiosperm plants. It is produced by the pollination and fertilization of the flower. The fruits comes in variety of shape, size and color. They are the products of fertilized ovary and other floral parts. Fruits can be fleshy or dry. Main function of the fruit is to provide a space of the growth and development of seeds until maturity. In maturity the fruit disperse seeds which germinate to grow into new plants.  

Primary consumers are herbivores that directly eat primary producers like plants, while secondary consumers are carnivores that feed on primary consumers. Humans can act as primary, secondary, or even tertiary consumers depending on what they eat. The energy flow in ecosystems starts with primary producers and moves up through various consumer levels, with decomposers recycling nutrients from all trophic levels.

In ecosystems, the organisms at the base of the food chain are often photosynthetic, such as plants or phytoplankton, and are referred to as primary producers. The primary consumers are usually herbivores that feed directly on these producers. On the other hand, secondary consumers are typically carnivores that eat the primary consumers, obtaining energy from the food chain's second trophic level.

Humans can serve as an example of how consumers can operate at different trophic levels: they are primary consumers when they eat vegetables (primary producers), secondary consumers when they eat herbivorous animals like cows, and even tertiary consumers when consuming carnivorous animals such as salmon.

Primary producers use processes like photosynthesis or chemosynthesis to convert light or chemical energy into food, and consumers obtain energy by feeding on these producers or subsequent consumers. Decomposers, which include small microorganisms, play a different role by consuming materials from all trophic levels after death, whereas tertiary consumers feed only on live secondary consumers.

The statement that wrongly describes the problem with modern landfills is ;

Landfills are built mostly for the storage of industrial and household wastes, which might be harmful to the environment if not properly disposed or left to litter the environment.

when Industrial wastes are disposed in landfills there is the danger of having chemicals leak into ground water thereby leading to water contamination. which is a problem with modern day landfills.

Landfills are usually existing pits, which are controlled by waste management agencies. and therefore do require much land mass but depth to contain the amount of wastes stored in them.

Hence we can conclude that The statement that wrongly describes the problem with modern landfills is ,  It takes a lot of space to contain the amount of garbage produced by households.  

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Answer:

the third option is the correct answer

Answer:

The correct answer is option - B. proteins.

Explanation:

The muscle contraction needs two protein that is essential in contraction. The muscle has motor protein myosin and spherical protein actin that are slide on one other in contraction that helps in muscle to contraction.

In the contraction, these protein filaments help to change in length and shape of the muscles. Thin filaments involve actin and thick filament in is myosin filaments.

Thus, the correct answer is option - b. proteins.

The correct answer is A. Ammonia

The correct answer is genetic variation in the population is decreasing due to selective pressure.  

A phenomenon that changes the fitness and behavior of the living species within a given environment is known as selective pressure. It is the mediating force of natural selection and evolution, and it can be differentiated into two kinds of pressure, that is, abiotic or biotic.  

The basic steps of the water cycle include evaporation and transpiration, condensation, precipitation, infiltration and groundwater flow, and surface runoff, driven by the sun's energy and involving state changes of water.

The water cycle is a critical continuous process in Earth's ecosystem, describing the movement of water molecules through various states and locations.

This cycle is driven by the sun's energy, which heats up water in oceans and surface waters, initiating evaporation and sublimation. These processes result in water vapor entering the atmosphere. The next phase involves condensation, where water vapor forms clouds composed of liquid or frozen droplets.

Following condensation is precipitation such as rain or snow, returning water back to the Earth's surface. Some of this water will seep into the ground (infiltration), while other portions may return to the atmosphere or contribute to surface runoff, eventually reaching rivers, lakes, and oceans.

More specifically, the basic steps in the water cycle include:

Answer:true

Explanation:

ERosion is the process in which the top layer of soil get removed. It involves the loosening of soil from earth’s surface at one location and moved to another location. It causes the filling of valleys, and make rivers appear and disappear as the soil moves from one location to another in the process of erosion.

on e2020:

A law is a statement of fact that is generally excepted to be true and universal because it has always been observed to be true.