Which structure would be expected to be constructed by endoplasmic reticulum?

RNA processing involves several steps that transform pre-mRNA into mature mRNA, including 5' capping, polyadenylation, and splicing.

In RNA processing, the pre-mRNA molecule undergoes several changes before it becomes mature mRNA ready for translation. The main events include:

These steps ensure that the mature mRNA is stable, is able to leave the nucleus, and can be accurately translated into a functional protein.

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The Endoplasmic Reticulum and Golgi Apparatus are the organelles included in membranous canals, and vacuoles are membrane-bound sacs involved in storing and maintaining cell structure.

The cellular organelles that would be included in membranous canals and vacuoles are the Endoplasmic Reticulum (ER) and the Golgi Apparatus. The ER is a network of membranous tubules and sacs called cisternae, and it plays an important role in the synthesis of proteins and lipids. The Golgi Apparatus, on the other hand, is involved in the sorting, modification, and shipping of products produced in the ER. Both of these organelles constitute the 'membranous canals' in a cell. Vacuoles are essentially membrane-bound sacs filled with water containing inorganic and organic molecules including enzymes, and play a crucial role in maintaining the shape of plant cells and in storing waste products.

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Answer: Bilateral symmetry

Explanation:

Bilateral symmetry is the symmetry in which when an organism is divided into two parts. When flatworms are cut into two halves by the central axis, then it is divided into two equal halves.

The bilateral symmetry of an organism creates two matching halves. If a line is drawn starting from the head of the organism which reaches to the tail divides the organism into two sides reflecting each other.

Hence, the correct answer is Option C

Adult flatworms exhibit bilateral symmetry, where each half of the organism is a mirror image of the other. This characteristic is associated with a streamlined body shape and directional movement.

Adult flatworms, members of the Phylum Platyhelminthes, exhibit bilateral symmetry.

This means that if you were to cut them down the middle from head to tail, each side would be a mirror image of the other.

Bilateral symmetry is a common feature in the animal kingdom and is associated with a streamlined shape and directional movement, which are observed in adult flatworms.

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Your answer will be control group.

When you stub your toe, sensory nerves send a signal to the spinal cord, where an interneuron helps form a reflex arc that prompts a motor nerve to instantly contract the muscles for withdrawal, all without involving the brain.

When you stub your toe, a rapid sequence of events occurs within your nervous system to produce a response. The peripheral nervous system sends a signal from the injured toe to the spinal cord through sensory nerves. At the spinal cord, the signal is transferred to an interneuron and then to a motor nerve, which relays the command back to the muscles in your toe and leg. This connection, known as the reflex arc, allows for an immediate withdrawal response without involving the brain, permitting a quick reaction to potentially harmful stimuli. If you were to step on a sharp object, the pain-sensing nociceptors would activate the motor neurons for the tibialis anterior muscle, causing dorsiflexion of the foot, while an inhibitory interneuron would prevent the plantar flexion by inhibiting the gastrocnemius and soleus muscles, thus minimizing potential injury.

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Answer:

The correct answer is pythagoras.

Explanation:

Pythagoras was a greek geometer. He created the famous mathemetics formula called pythagoras formula that is helpful to find the relationship between the all three sides of triangles. Pythagoras formula has significant contribution to world, especially in architectures.

Thus, the correct answer is pythagoras.

The surface tension of water molecules explains how some insects can walk on water.

Surface tension is a property of liquids that occurs because of the cohesive forces between molecules at the surface. In the case of water, each molecule is held to the surrounding molecules by strong hydrogen bonds. These cohesive forces are exerted in all directions on molecules in the center of the liquid.

However, molecules at the surface experience the force only from the sides and below, which pulls them more closely together and creates a 'surface film' that is harder to break. This surface film allows small, lightweight insects, like water striders, to walk on water.

They distribute their weight over a larger area, which prevents them from breaking through the surface tension and sinking. Essentially, they take advantage of the strong intermolecular forces at the surface of the water to support their weight.

The general shape of the epithelial cells that are nearest to the lumen during an empty urinary bladder of an individual is transitional cuboidal epithelium, they are cuboidal in shape as they are relaxed and later transition when stretched and filled with urine.

Answer:

Carbon dioxide, water, and energy.

Explanation:

Photosynthesis, which means “synthesis using light”, is generally defined as the process by which an organism can obtain its food. This process is accomplished thanks to solar energy, which is captured and transformed into chemical energy. The photosynthesis process occurs in chloroplast-rich tissues, one of the most active tissues being the chlorophyll parenchyma found in the leaves.

Since photosynthesis is a chemical reaction, it has products and reagents. Photosynthesis reagents are carbon dioxide, water and energy, while products are oxygen, glycides and water.

Answer:

A.) Carbon Dioxide, D.)Water, and E.) Energy

Explanation:

Squamous and cuboidal epithelium, while similar in being epithelium, differ in function and location, with the squamous epithelium primarily serving as a protective barrier, and cuboidal epithelium contributing to secretion and absorption.

The two similar epithelium referred to here, without specific given examples, might be squamous and cuboidal epithelium. Squamous epithelium, which is flat and scale-like, primarily functions as a barrier, protecting underlying tissues. For instance, it can be found in the skin where it acts as a barrier to the external environment. In contrast, cuboidal epithelium is square or cube-shaped and functions in secretion or absorption. Examples are the kidney tubules where cuboidal cells reabsorb water and electrolytes, or glandular tissue where these cells secrete substances such as hormones. By their shape and structure, they define their function in the body.

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The percentage of food eaten is a good number to use because it compares the number of food eaten to the number of birds in the flock. If the resulting number from this multiplication is low, then the flock is unsuccessful in the collection of food - causing it to shrink. If the resulting number is high then the flock has been successful in the gathering of their food - causing the flock to grow.

ATP and DNA molecules share common structural characteristics such as sugar, phosphate groups, and nitrogenous bases.

The common structural characteristics of ATP (adenosine triphosphate) and DNA (deoxyribonucleic acid) molecules are:

Certain bacterial cell components, like capsules and pili, make bacteria powerful pathogens. Penicillins are more effective against Gram-positive bacteria due to the structure of their cell wall. It's crucial to understand bacterial cell structures when developing antibiotics to create treatments that can target bacteria without harming human cells. Antibiotics are ineffective against viruses due to their lack of cellular structures.

Some bacterial cells possess components like a capsule, which protects them from the host's immune system, and pili, which enable attachment to host cells. Both increase their virulence as pathogens.  

2. Penicillins are more effective against Gram-positive bacteria due to their thick peptidoglycan cell wall, which the drug can easily disrupt. Gram-negative bacteria, however, have an outer membrane that prevents the drug from reaching the cell wall.

3. Understanding the structure of a bacterial cell aids in developing antibiotics that can specifically target bacterial components without harming human cells.

4. Antibiotics work by targeting specific components of bacterial cells, such as the cell wall or protein synthesis machinery, which are not present in human cells. This specificity allows antibiotics to harm bacteria without affecting the host.

5. Without information on Sue's condition, a specific class of antibiotics cannot be prescribed. It is dependent on the type of bacteria responsible for her condition.

6. Antibiotics are ineffective against viruses as viruses lack cellular structures and metabolic processes that antibiotics can target. Viruses instead use host cells to replicate, making it difficult for antibiotics to differentiate between virus and host.

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Vasopressin or antidiuretic hormone is a type of hormone that regulates the amount of water in the body. Examples are oxytocin, argipressin, and lypressin.

The antidiuretic hormone or vasopressin can be explained as:

1. ADH or Vasopressin is synthesized in the hypothalamus and is stored in the neurohypophysis. It plays a crucial role in the osmolality of bodily fluids.

2. The ADH acts in the distal convoluted tubule and collecting ducts of the kidney. It regulates the volume and water content of the urine.

Thus, the ADH plays a crucial role in the osmolarity of the water and bodily fluids.

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Final answer:

The specialized structure of sperm, including the acrosome, mitochondria-packed mid-piece, and tail, significantly contributes to its functionality in reproduction by enabling mobility and efficiency in fertilizing the egg.

Explanation:

The structure of a sperm cell is highly specialized, contributing significantly to its function. The sperm consists of three main parts: the head, mid-piece, and tail. The head contains a compact haploid nucleus, with very little cytoplasm, to ensure a small size for better mobility. It is covered by the acrosome, a cap filled with lysosomal enzymes essential for penetrating the egg during fertilization.

The mid-piece is densely packed with mitochondria that produce ATP, powering the flagellum for motility. The tail, or flagellum, enables movement through the female reproductive tract, significantly increasing the chance of reaching and fertilizing the egg.