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Draw a sketch of your completed DNA molecule. Label each material and the part of the DNA molecule it represents. Include the following: adenine, thymine, cytosine, guanine, sugar, phosphate

Platyhelminthes present a body that can be divided into two, drawing a line from the head to the tail right in the middle of it, as the following image shows:

Blood cells mature and develop under the influence of cytokines, growth factors, hormones, genetic factors, and the bone marrow microenvironment.

Cytokines and Growth Factors These are  motioning  motes that regulate the growth, development, and isolation of blood cells. Different types of cytokines and growth factors are involved in specific stages of blood cell development. For  illustration, erythropoietin( EPO) stimulates the  product of red blood cells, while granulocyte colony- stimulating factor( G- CSF) promotes the development of granulocytes.  

Bone Gist Microenvironment The bone gist provides a technical medium where blood cell development occurs. It consists of  colorful cells,  similar as stromal cells and fibroblasts, that  cache growth factors and  give structural support. The bone gist also contains extracellular matrix  factors and cell- cell  relations that contribute to the regulation of blood cell development.  

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Answer:

Q = 5227.5 J

Explanation:

Given data:

Mass of water = 50.0 g

Temperature increase by = ΔT = 25°C

Specific heat capacity of water = 4182 J/Kg.°C

Heat required = ?

Solution:

(50.0 g×1 Kg/1000 g=0.05 Kg)

Formula:

Q = m.c. ΔT

Q = amount of heat absorbed or released

m = mass of given substance

c = specific heat capacity of substance

ΔT = change in temperature

Q = 0.05 Kg ×4182 J/Kg.°C ×  25°C

Q = 5227.5 J

Answer:

When conducting research, scientists use the scientific method to collect measurable, empirical evidence in an experiment related to a hypothesis (often in the form of an if/then statement), the results aiming to support or contradict a theory.

Explanation:

I don't know if it can help you

Answer:

A method of discovering knowledge about the natural world based on making falsifiable predictions (hypotheses), testing them empirically, and developing peer-reviewed theories that best explain the known data

The statement is True i.e. option (a) for The backbone of a DNA or RNA strand is made of alternating and molecules.

The backbone of a DNA or RNA strand is composed of alternating sugar and phosphate molecules. In DNA, the sugar is deoxyribose, while in RNA, the sugar is ribose. The sugar and phosphate molecules are linked by phosphodiester bonds, which form a repeating pattern of sugar-phosphate-sugar-phosphate along the length of the strand. The nitrogenous bases, which are responsible for the information-carrying properties of DNA and RNA, are attached to the sugar molecules, and project from the backbone of the strand. The alternating sugar-phosphate backbone is a key feature of the double-helix structure of DNA, and is essential for maintaining the stability and integrity of the molecule.

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A trait that is found in and shared by two or more species, but is not derived from a common ancestor is known as analogous or homoplasy.

What is homoplasy?

The development of organs or other body features that resemble one another and serve the same purposes in various species but did not share a common ancestor is known as homoplasy. These organs are similar, not identical, to one another since they developed through convergent evolution.

Even though a small genetic alteration resulted in a significant morphological difference that gave certain species a drastically different appearance, they may nevertheless be closely related. Similar to how unrelated species can be distantly related yet still seeming remarkably similar. Typically, this occurs as a result of the shared environmental conditions and evolutionary adaptations of the two animals. An analogue or homoplasy occurs when similar traits emerge as a result of environmental restrictions rather than a close evolutionary relationship. Insects, for instance, use wings to fly similarly to bats and birds, but their embryonic origins and wing structure are quite different. We refer to these as similar structures.

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During  reverse transcription from the RNA, the DNA is formed, and this is done by the enzyme called reverse transcription, which is generally found in some of the viruses and pathogens.

This enzyme makes the DNA from the RNA, and when the virus having such an enzyme affects the cell, the virus makes the RNA and later the DNA, and then puts its own genome in the human genome that causes diseases.

Hence, during reverse transcription from the RNA, the DNA is formed, and this is done by the enzyme called reverse transcription, which is generally found in some of the viruses and pathogens.

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Answer:

Explanation:

lmk if u need any more help the pic is attached!

The population of deer in the wildlife sanctuary can be estimated using the formula:

P(t) = P(0) * (1 + r)^t

where P(t) is the population after t years, P(0) is the initial population, r is the growth rate per year, and t is the number of years.

In this case, the initial population (P(0)) is 40 deer, the growth rate (r) is 60% per year (0.60), and we need to estimate the population after one year (P1) and two years (P2).

To calculate P1:
P(1) = 40 * (1 + 0.60)^1
P(1) = 40 * (1 + 0.60)
P(1) = 40 * 1.60
P(1) = 64

Therefore, the estimated population after one year is 64 deer.

To calculate P2:
P(2) = 40 * (1 + 0.60)^2
P(2) = 40 * (1 + 0.60)^2
P(2) = 40 * 1.60^2
P(2) = 40 * 2.56
P(2) = 102.4

Therefore, the estimated population after two years is 102.4 deer.

It's important to note that these are estimates and assume that there are no constraints on the population growth. In reality, factors like limited resources, predation, and disease can affect the growth rate and population size.

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Answer:

density dependent factors are competition, predation, parasitism, disease/ independent factors are natural disaster, seasonal cycle, unusual Weathers

Answer:

Energy, in physics, the capacity for doing work. It may exist in potential, kinetic, thermal, electrical, chemical, nuclear, or other various forms. There are, moreover, heat and work—i.e., energy in the process of transfer from one body to another. Organisms use energy to survive, grow, respond to stimuli, reproduce, and for every type of biological process. The potential energy stored in molecules can be converted to chemical energy, which can ultimately be converted to kinetic energy, enabling an organism to move.

Explanation:

Energy is defined in the scientific community as the capacity to perform work.

Molecules need energy to be broken down, built up, and transported across plasma membranes.

Energy is required for all life's work. A significant amount of energy is also simply wasted as heat to the environment. The story of life is one of energy flow, including how it is captured, transformed, used for work, and lost as heat.

Because energy can never be regenerated (unlike matter), it is constantly needed by living things.

Therefore, Energy is defined in the scientific community as the capacity to perform work.

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Answer:2b

Explanation:

Answer:

During the long voyage, Darwin made many observations that helped him form his theory of evolution. For example: He visited tropical rainforests and other new habitats where he saw many plants and animals he had never seen before (see Figure below). This impressed him with the great diversity of life

Explanation:

: )

Epithelial tissue lines the organs of the body, including the lungs, heart, and stomach.

Epithelium, endothelium, and mesothelium are three types of epithelial cell sheets that line your internal organs, and body space and form the outer layer of your skin. Epithelium generally lines alleyways that are open to the external environment, such as your respiratory area and digestive system.

Glandular epithelial tissue is also established as part of the glands, including hormone-manufacture organs like the liver, pancreas, and spleen. Epithelial tissues are widespread all around the body. They form the covering of all body surfaces.

So we can conclude that Simple epithelial tissues are normally classified by the shape of their cells.

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Answer:

2

Explanation:

I can't really understand what it is but my best guess would be too

Answer: Bacteria and Fungi

Explanation:

I’m not sure whether you wanted more, but pathogens are generally microorganisms which can cause disease, there are many, but there are 5 main types, two being viruses and bacteria: more - fungi, worms, and Protozoa.

Option B is the correct description of the internalization.

Internalization is the method of constructing something internal in various fields and includes the interaction in the development process.

It is a method by which an individual assumes a set of standards and significances that is established by others via socialisation. It starts with comprehending what the criteria are by a person, followed by apprehending their importance or significance and ultimately abiding by the standard as their view.

It also defines the psychological effect of an intended intellect logic about a distinctive topic; the topic is internalized, and the reference of the issue is inner.

Therefore, option B is correct.

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Answer:

B

Explanation:

Fungi: 1) absorb nutrients from the environment.

Fungi are eukaryotic, heterotrophic organisms that are found almost everywhere in the environment. Fungi can be either unicellular or multicellular and can absorb nutrients from the environment.

The first statement, "Fungi: absorb nutrients from the environment," is accurate. Fungi obtain nutrients from decaying organic matter and living organisms, playing an important role in nutrient cycling.

The other statements, "take in food by phagocytosis" and "generate ATP and reducing equivalents by photosynthesis," are not correct.

Fungi are decomposers, and their role is to break down dead organic matter. Fungi do not produce their food. They secrete digestive enzymes to break down the organic material they are consuming. This process allows the nutrients to be absorbed by the fungi and returned to the soil to nourish other organisms in the ecosystem.

Fungi are also used in medicine and the food industry. Some fungi produce antibiotics that are used to treat bacterial infections, while others are used to make bread, cheese, and beer.

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The correct option for the function of cell membrane is like "security guard".

All cells have a cell membrane, also known as a plasma membrane, which separates the cell's internal environment from the external environment.

Thus, the function of cell membrane is like security guard.

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Answer:

Ancient Organisms evolving into what we have now

Explanation:

The theory of evolution by natural selection, first formulated in Darwin's book "On the Origin of Species" in 1859, is the process by which organisms change over time as a result of changes in heritable physical or behavioral traits. Changes that allow an organism to better adapt to its environment will help it survive and have more offspring.

In the final few minutes of a 26.2 mile race with a sprint finish, type IIx muscle fibers participate.

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