What is the difference between a scientific theories and a scientific laws?

A theories
Blaws
Cevidence
DAll of the above

Answer:

cloud, water, rain

Explanation:

Answer:

epiphyses

Explanation:

Answer:

Starting at the top where the line is pointing at the green thing going right.

Explanation:

The steps of the process of photosynthesis are:

Photosynthesis is the process of converting light energy into chemical energy. It occurs in the organism containing chlorophyll because chlorophyll traps the sunlight for the reaction.

The steps included in the photosynthesis are added in the image below

Thus, the steps of the process of photosynthesis are:

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Answer:

Because velocity has magnitude and direction, speed is not a vector quantity since it only has magnitude

For example, if a car is moving backwards with a speed of 40m/s

Your velocity is - 40m/s

Speed is 40m/s

Using a dissecting microscope to observe organisms colonizing submerged Masonite plates reveals an interesting array of insect life, including protective shelters (cases), insect larvae, and newly emerged winged insects. These observations suggest the presence of an insect species that undergoes incomplete metamorphosis, which is characterized by three developmental stages: egg, nymph, and adult.

Unlike complete metamorphosis, where the insect goes through a separate pupal stage, incomplete metamorphosis involves a gradual transition from the nymph stage to the adult form.

In addition to its mode of development, this insect species possesses a radial symmetry body plan, which is uncommon among insects but indicates a centralized arrangement of body structures around a central axis. Furthermore, the presence of insects with incomplete digestive tracts suggests that these organisms have a digestive system that lacks a separate exit for waste materials, a feature often observed in simple invertebrates.

Overall, these findings provide valuable insight into the diverse life forms that can inhabit submerged, fibrous wood environments and offer an intriguing example of an insect species that exhibits both incomplete metamorphosis and unique anatomical features.

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Answer:

Species that are broadly distributed are less likely to go extinct than those that occupy a small area or whose habitat is disjointed.

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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Answer:

B

Explanation:

I took the test

The best option would be the letter B. At night, the stomata are closed so water in the leaves cannot evaporate, which reduces the need fro absorption of water at the root.

Answer:

Homeostasis

Explanation:

Sweating helps to control internal body temperature, and homeostasis is when an organism maintains a controlled internal environment

The O+ blood group is a universal donor and can donate to any other blood group that is rhesus positive.

A universal donor is a blood group which is able to donate blood to every other blood group. This is possible because of the lack of an antigen which will react with an antibody to form agglutination.

The O+ blood group is a universal donor and can donate to any other blood group that is rhesus positive.

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Answer: IN THE PICTURE BELOW

Explanation: JUST TOOK THE TEST

Akt, a serine or threonine kinase also known as PKB, is essential for controlling a variety of cellular processes, including as EC migration and survival, gene transcription, and protein synthesis important for angiogenesis.

Akt activates mTOR, which in turn regulates protein synthesis and cell growth. p70-S6 kinase-1 and 4E-binding protein 1 are phosphorylated by mTOR, which controls the synthesis of proteins important for angiogenesis. The activation of the highly conserved PI3K-PKB/Akt pathway is carefully regulated by a multistep process. Class 1A PI3Ks bound via their regulatory subunits or adaptor molecules, such as the insulin receptor substrate (IRS) proteins, are directly stimulated by activated receptors. Phosphatidylinositol (3,4)-bisphosphate (PIP2) lipids are converted to phosphatidylinositol (3,4,5)-trisphosphate by the catalytic domain of PI3K as a result of this (PIP3).

When PKB/Akt binds to PIP3 at the plasma membrane, PDK1 can enter the "activation loop" and phosphorylate T308 to partially activate PKB/Akt. By directly phosphorylating and inactivating tuberous sclerosis protein 2 (TSP2) and proline-rich Akt substrate of 40 kDa (PRAS40), this PKB/Akt alteration is sufficient to activate mTORC1 (TSC2). By influencing a variety of downstream components involved in regulating the G1/S and G2/M transitions, growth-factor-activated Akt signaling supports progression through regular, undisturbed cell cycles.

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Answer:

Which best explains how and why scientific knowledge is continually expanded and improved? The scientific process flows in one direction and finds only facts that support a scientist's original idea. The scientific process is cyclical so that new facts inspire questions that lead to new studies.

Explanation:

Brainlist???

Answer is in the file below

tinyurl.com/wpazsebu

Getting to know the number and pattern of bones in limbs is important to understand the evolution of tetrapods.

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Fossils are animal and vegetable rests found in different strata of sedimentary rocks. Sedimentary layers deposit chronologically, so they are used to reflect history. These fossils turn to be very useful while dating ages and studing evolutive processes.

Fossils provide good information about the existing relationship between ancient and modern tetrapods. Limb structures between these organisms are relatively similar. However, they can change in the number of bones and their arrangement pattern, reflecting the changes that species suffered through evolution.

The pattern in which the composing bones are arranged in limbs is useful to study tetrapods evolution, from a common aquatic ancient -fish- to modern terrestrial and aquatic tetrapods.

By looking at the number of limbs and digits, and the bones' pattern involved in these structures, scientists could interpret how evolutive processes occurred.  Information about bones' density, length, and size, is also useful to understand the environmental pressures acting on the animals, and how the tetrapods managed to adapt.

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The evolutionary tree phylogenetic shown in the aforementioned picture shows that G. intestinalis is a member of the paraphyletic  group.

A unique illustration of phylogeny is the animal phylogenetic tree, which shows how animal organs have evolved. It illustrates animal phylogeny through the development of animal organs. Based just on organ level of structure in this type of figure, the sustaining change of the main animal species can be deduced.

The study studying relationships between various groupings of species and their evolutionary history is known as phylogeny. Phylogeny makes an effort to retrace the evolutionary path of all living things on the earth. Its foundation is the phylogenetic theory, which states that all living things have a common ancestor.

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In forensic Entomology (The study useing bugs in crime scenes) The first thing collected is Adult insects, then they move on to larvae and then to eggs.

The example of sensitization from the given alternatives is that 'A dog was hit by his previous owner, and now the dog cowers each time his new owner reaches out to pet him.'

Sensitization refers to the process in which an organism becomes more sensitive to stimuli, both good and bad. It happens when the body's nervous system becomes oversensitized to a particular stimulus that it begins to respond even to weaker or non-threatening stimuli.

The example given in the first option refers to a simple reflex action that occurs in response to the puff of air that is blown into the eyes during the eye examination. The third option is about sensory adaptation, which occurs when sensory receptors are exposed to stimuli for an extended period, resulting in a reduction in sensitivity. The fourth option refers to the fight or flight response that occurs as a result of a threatening stimulus, in which an individual's body prepares to confront or flee from danger.

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B cells follow chemotactic signals, specifically the chemokine CXCL13, to migrate to the cortical regions of secondary lymphoid tissue.

B cells are essential for the resistant framework and create from undifferentiated organisms in the bone marrow. Also known as a B lymphocyte. Enlarge. Platelet advancement. Before becoming a platelet, white blood cell, or red blood cell, a blood stem cell must go through several steps.

The B Cells can change into plasmacytes and are liable for creating antibodies (Abs). As a result, humoral immunity relies on B cells, whereas cell immunity relies on T cells.

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The tripeptide c.) N - proline - phenylalanine - leucine - C would be most likely to be soluble in an organic (hydrophobic) solvent like benzene.


To determine the solubility of these tripeptides in an organic solvent, we need to identify the hydrophobic amino acids in each tripeptide.

a.) Phenylalanine, alanine, and glycine are all nonpolar and hydrophobic.
b.) Leucine and alanine are hydrophobic, but lysine is hydrophilic.
c.) Proline, phenylalanine, and leucine are all hydrophobic.
d.) Arginine and lysine are hydrophilic, while proline is hydrophobic.
e.) Glutamate and aspartate are hydrophilic, while glycine is hydrophobic.

Based on the above information, the correct option is c.) N - proline - phenylalanine - leucine - C
This is because all three amino acids in this tripeptide are hydrophobic, which increases its solubility in an organic solvent.

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Answer:

D)

Explanation:

Short-term environmental changes is described as the change in the environment that occurs quickly and affect the organism in the environment. The organism then adapts the changes in environment in order to survive and not die off.

Some examples of short-term environmental changes are drought, flooding, smog and pollution et-cetra.

Hence, the correct option is D)

Answer:

D

Explanation:

Explanation:Vegetative propagation does not require seeds or spores to produce offspring. In this propagation, offspring grow from a specific part of the parent plant.Potato plants reproduce using tubers.

Answer:

1. Spores

2. Plant

Explanation: I got it right

The girl is focusing a slide and she is moving the stage up toward the slide. Be gentle and careful when making changes.

b. Moving the stage away from the objective lenses rather than toward them prevents damage when focusing on an object. One can avoid any blurring caused by being too close to these parts by moving them apart.

c.We are unable to see the correct image if it is placed at the edge.

To bring the specimen into focus, the coarse adjustment knob on the arm of the microscope moves the stage up and down. The user's perception of the image is altered by the optics of a microscope's lenses. Essentially, assuming the slide is moved left while glancing through the magnifying lens, it will seem to move ok, and on the off chance that dropped down, it will appear to climb.

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Two key functions of proteins in the body are the maintenance of muscle mass and immune function.

First, proteins are essential for the maintenance of muscle mass. Muscle tissue is made up of protein fibers, and the body requires a constant supply of protein to repair and maintain these fibers. Severe protein deficiency can result in a loss of muscle mass, leading to weakness and fatigue.

Second, proteins play a crucial role in immune function. Proteins known as antibodies are produced by the immune system to fight off infections and diseases. Without sufficient protein, the body cannot produce enough antibodies to effectively fight off pathogens, leading to an increased risk of infection and illness.

Proteins in the body serve a wide variety of functions, including structural support, enzymatic functions, transport, and signaling.

In conclusion, severe protein deficiency can lead to a loss of muscle mass and a weakened immune system. It is essential to consume adequate amounts of protein to maintain these important functions of proteins in the body.

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The conversion of 8 H₂O molecules to 2 H₂O molecules is a chemical change that occurs through a dehydration or condensation reaction. This process involves the removal of water molecules to form a larger molecule and requires energy to occur.

This is a reaction that occurs between two molecules, and results in the formation of a single, larger molecule, while releasing a small molecule, usually water. In this case, the small molecule is water (H₂O), hence the name dehydration or condensation reaction.
During this reaction, the 8 H₂O molecules combine to form 4 H₂O molecules. This reaction is often used in the laboratory to create polymers from monomers. It can also be used to produce certain biomolecules such as carbohydrates, proteins, and nucleic acids, as well as other chemical compounds.
In order to carry out this reaction, energy is required. The reaction occurs in several steps and involves the removal of water molecules from the original 8 H₂O molecules, forming a new, larger molecule. The reaction is reversible, which means that it can be carried out in both directions, depending on the conditions and reactants involved. Thus, the conversion of 8 H₂O molecules to 2 H₂O molecules is a chemical change that can occur through a process known as dehydration or condensation reaction.

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Answer:

ans this question is no 3

Explanation:

Because it sends electrical output signals to the muscles affecting the muscles ability to functions.