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The enzyme involved in the transcription of RNA molecules is:
O Pepsin
DNA polymerase
Codon
RNA polymerase

Answer:

1. The mitochondria are responsible for producing energy in the form of ATP through cellular respiration.

2. Prokaryotic cells are smaller and do not have a nucleus or membrane-bound organelles, while eukaryotic cells are larger and have a nucleus and membrane-bound organelles.

3. Ribosomes are responsible for synthesizing proteins in the cell.

4. The endoplasmic reticulum is responsible for protein and lipid synthesis and transport within the cell.

5. Plant cells have cell walls, chloroplasts, and larger vacuoles, while animal cells do not have cell walls, chloroplasts, or large vacuoles.

6. The Golgi apparatus is responsible for modifying, sorting, and packaging proteins and lipids for transport within the cell or for secretion outside the cell.

7. Lysosomes are responsible for breaking down and digesting waste materials and cellular debris within the cell.

8. The cytoskeleton is responsible for maintaining cell shape, providing support and structure, and facilitating cell movement and division.

9. Passive transport does not require energy and involves the movement of molecules from an area of high concentration to an area of low concentration, while active transport requires energy and involves the movement of molecules from an area of low concentration to an area of high concentration.

10. Osmosis is the diffusion of water molecules across a selectively permeable membrane from an area of high water concentration to an area of low water concentration.

I hope these answers are helpful! Let me know if you have any more questions.

Answer:

1. The function of mitochondria in a cell is to produce energy in the form of ATP through cellular respiration. Mitochondria are also involved in other cellular processes such as apoptosis (programmed cell death), calcium signaling, and lipid metabolism.

2. Prokaryotic cells are smaller and simpler in structure than eukaryotic cells. Prokaryotic cells lack a nucleus and other membrane-bound organelles, while eukaryotic cells have a nucleus and various membrane-bound organelles.

3. Ribosomes are responsible for protein synthesis in a cell. They read the genetic code stored in messenger RNA (mRNA) and use it as a template to link amino acids together in the correct order to form a protein chain.

4. The endoplasmic reticulum (ER) is involved in protein synthesis, folding, and modification. It is also involved in lipid synthesis, calcium storage, and detoxification of drugs and toxins.

5. Plant cells have a cell wall, chloroplasts, and a large central vacuole, while animal cells lack these structures. Additionally, plant cells are typically larger than animal cells.

6. The Golgi apparatus is responsible for modifying, sorting, and packaging proteins and lipids for transport to their final destinations. It consists of a series of flattened sacs called cisternae.

7. Lysosomes are involved in the breakdown of cellular waste and debris, as well as the degradation of damaged or unneeded cellular components. They contain enzymes that can break down various biomolecules such as proteins, lipids, and nucleic acids.

8. The cytoskeleton is a network of protein fibers that provides structural support to the cell, helps maintain cell shape, and enables cell movement and division. It is made up of three main types of fibers: microfilaments, intermediate filaments, and microtubules.

9. Passive transport is the movement of molecules across a cell membrane without the input of energy, while active transport requires the input of energy to move molecules against their concentration gradient. Passive transport includes diffusion, osmosis, and facilitated diffusion, while active transport includes primary and secondary active transport.

10. Osmosis is the diffusion of water across a selectively permeable membrane from an area of high water concentration (low solute concentration) to an area of low water concentration (high solute concentration). It is a type of passive transport and is important for maintaining the water balance in cells.

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Tactile discs are not proprioceptors. Hence, the right option is 1st.

The dermis of the skin contains specialized skin cells called tactile discs, often referred to as Merkel cells, which are most frequently seen in the fingers and other touch-sensitive regions. They are crucial for our sense of touch since they are in charge of sensing mild touch and pressure.

On the other hand, proprioceptors are specialized sensory receptors that are found in muscles, tendons, and joints. They provide the central nervous system with information about the body's posture, motion, and muscle tension, enabling balanced movement. The muscle spindle, the Golgi tendon organ, and the joint kinesthetic receptor are the three different types of proprioceptors.

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The surface area to volume ratio of the cubes is given below:

The surface area to volume ratio of the cubes is calculated from the respective formulas for surface area and volume of cubes as follows:

The surface area of a cube = 6 * s²

The volume of a cube = s³

where s is the length of a side or edge of a cube

Cube 1:

Surface area = 6 * 1² = 6 cm²

Volume = 1³ = 1 cm³

Surface area to volume ratio = 6 / 1 = 6

Cube 2:

Surface area = 6 * 2² = 24 cm²

Volume = 2³ = 8 cm³

Surface area to volume ratio = 24 / 8 = 3

Cube 3:

Surface area = 6 * 3² = 54 cm²

Volume = 3³ = 27 cm³

Surface area to volume ratio = 54 / 27 = 2

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Answer:

Birds and leopard

Explanation:

It has been researched and discovered that the feces of birds and animals can be used to determine the state of health of an ecosystem.

For example, it has been discovered that hormones and other substances are excreted through urine and feces. And researchers have discovered from the feces of leopards, that a leopard that has cave or trees where it can hide from hunters are not likely to be stressed out like the one that does not have.

The following questions refer to the essential steps in meiosis described below is Separation of sister chromatids .

Chromosomes carry DNA, which is the genetic material of that organism. Chromatids help the cells to duplicate and in turn, aid in cell division. A chromosome is present throughout the life cycle of the cell. A chromatid is formed only when the cell under goes through either mitosis or meiosis stages.

Chromatid is one of the halves of a chromosome. A chromosome contains only one chromatid. When the cell cycle occurs then after the completion of the S-phase of the cell cycle, the chromosome contains two identical sister chromatids.

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Answer:

1. A) when at least one allele contains instructions for a long tail

2. B) Each body cell contains the same number and kinds of chromosomes for that organism. The chromosomes contain the same number and kinds of genes for that individual.

Answer:

A. when at least one allele contains instructions for a long tail

Explanation:

The guy above me Answered.  oh yeah, also have a cheeseburger while your at it. lol

The right response is that unspecialized cells keep dividing as specialised cells get bigger and differentiate.

Plant Stem Cells. Stem cells serve as a source of fresh cells for the development or replacement of specialised tissues. These cells must divide to replenish themselves in order to carry out their role, and some of their offspring will eventually differentiate to form new tissues.

The apical meristem at the apex of the stem produces new cells, and those new cells subsequently enlarge in length and volume in the area, which is how roots and herbaceous plant shoots grow in diameter and length.

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The organism that is most likely to carry out the process shown in the diagram is Calla lily (option D).

Cellular respiration is the process by which cells obtain chemical energy by the consumption of oxygen and the release of carbon dioxide.

According to this question, a diagrammatic representation of cellular respiration is given in the above chart. Based on the chart, chloroplast is included to release oxygen gas needed for respiration.

Only green plants possess chloroplast used for photosynthesis, hence, Cana lily is the most likely organism to carry out the above process.

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For an organism that has 18 chromosomes in its body cells and its sex cells have 9 chromosomes, the correct statement is C, Its sex cells are haploid and a result of meiosis.

Haploid cells have half the number of chromosomes as diploid cells. Mitosis is a type of cell division that produces two identical daughter cells. Meiosis is a type of cell division that produces four daughter cells, each with half the number of chromosomes as the parent cell.

In the organism described, the body cells are diploid (18 chromosomes) and the sex cells are haploid (9 chromosomes). This is because the sex cells are produced by meiosis, which is a type of cell division that reduces the number of chromosomes by half. This allows the sex cells to combine with each other to form a new diploid cell, which is the beginning of a new organism.

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Complete question:

An organism has 18 chromosomes in its body cells. Its sex cells have 9 chromosomes.

Which statement correctly explains this?

Its body cells are haploid and a result of mitosis.

Its sex cells are diploid and a result of mitosis.

Its sex cells are haploid and a result of meiosis.

Its body cells are diploid and a result of meiosis.

Answer:

Metamorphic rock is marble type of rock

Answer:

regulatory mechanism that's either positive or negative feedback mechanism

Explanation:

In thermoregulation, the body temperature is contracted by the thermoregulatory center in the hypothalamus. It receives input from two sets of thermo receptors. Receptors in the skin monitor the external temperature

There are various layers that make up the atmosphere, and each has distinct properties and functions. Both weather generation and energy transmission take place in the troposphere, which is closest to the Earth's surface.

The stratosphere shields the Earth from damaging UV radiation along with the ozone layer. Most auroras happen in the mesosphere, where meteors burn up. Modern technology is dependent on the thermosphere, where the majority of the Earth's satellites orbit and where communication signals are sent.

The dynamics of the atmosphere and its interactions with the hydrosphere and lithosphere are better understood thanks to these layers. Foreseeing and minimising environmental problems like climate change and preserving our world, it is essential to understand the significance of each layer.

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Answer:

A = adenine

T = thymine

C = cytosine

G = guanine

Explanation: its right(:

Answer:

TCACGGTAT

Explanation:

The T’s and A’s corresponding just like the Cs and Gs correspond. Think of it as Apple in a tree and car in a garage

The process that involves coding is called transcription. The correct option is b.

The process of transcription creates RNA from DNA using the non-coding strand of the DNA as a template. The resulting RNA is a replica of the coding strand of the DNA.

Proteins called transcription factors to help turn particular genes "on" or "off" by attaching to surrounding DNA. The transcription of a gene is increased by transcription factors known as activators, while the transcription of genes is decreased by repressors.

Therefore, the correct option is B. transcription.

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Answer:

Disfunction of the cell and also transfer of materials wont work properly.

Explanation:

If the nucleas is severely damaged,activities of the cell won't work properly since the nucleas controlls activities of the cell.

If the lysosome is damaged,worn out tissues from the cell won't get rid.

If the vacuile is damaged osmotic pressure of the cell will be interfered with.

If endoplasmic reticulums are damaged,transport of proteins and lipids won't take place.

Answer:

B. MA=2.5. Load=50N. MA=effort/load.

Fossil formation is formed over the years when minerals replace the bone materials. The gaps are fill with the following:

4. Mineralisation

5. Fossils

6. External mold

7. Sediments

8. Trace fossil.

After the death of an animal, the body may be under the mud or rocks. As time goes on, the minerals in the soil takes over the organisms original material and hardens it into rock in a process called Mineralisation.

Mineralisation leads to the formation of fossils which are formed when dead decaying organic matter are subjected to pressure under rocks for years.

If the living thing is pressed into a rock and leaves an impression, we call what is left behind an external mold.

Trace fossil are formed when the external molds are filled with tiny pieces of rocks called sediments.

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Answer:

ill say c

Explanation:

Answer:

d. during the night. can't have daylight

Answer:

Homeostasis

Explanation:

Answer:

Homeostasis

Explanation:

These changes help the organism to maintain a constant equilibrium with the external environment in order to support their vital functions.

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Answer:

Red blood cells carry oxygen; white blood cells fight disease.

Explanation:

Confirmed, just did it.

Red blood cells carry oxygen; white blood cells fight disease. Therefore, option "B" is correct.

The blood cells are produced in the bone marrow of the bones and are present in the blood. A protein found in red blood cells that transports oxygen from the lungs to every cell in the body is hemoglobin.

The immune system of the body is constituted of white blood cells. They empower the body's defense against disease and infection. Granulocytes, monocytes, and lymphocytes (T and B cells) are examples of white blood cells.

Red platelets or RBCs convey oxygen to the tissues in various pieces of the body. By producing antibodies, white blood cells, or WBC, strengthen the body's defenses.  The complete blood test is used to detect disease.

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Answer:

the answer is D

Explanation:

Explanation:

RNA growth is always in the 5′ → 3′ direction: in other words, nucleotides are always added at a 3′ growing tip, . Because of the ANTIPARALLEL nature of the nucleotide pairing, the fact that RNA is synthesized 5′ → 3′ means that the template strand must be oriented 3′ → 5′.

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Answer: They are used in science to describe anything that has both a direction and a magnitude. They are usually drawn as arrows, the length of which represents the vector's magnitude.

CREDIT: scientificamerica

Answer:

Lack of distinctive advantage in product performance and price.

Over estimation of the target market which may result in low demand.

Inability to utilize company strength to capture profitable opportunities.

Unpredictable change in consumers preference for goods and services.

Negative Effects of Production on Environment and Society. It leads to the pollution of the environment (environmental pollution) It leads to erosion as a result of big holes created by construction industries.

Explanation:

hope this helps you, sorry if it is not what you are looking for.

Effectively by sucking water out of them. In a process known as osmosis, water passes out of a bacterium so as to balance salt concentrations on each side of its cell membrane.

Explanation:

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Answer:

Habitat restoration

Explanation:

It will have a negative effect

The factor that would have a negative impact on the organisms that live in the salt marsh is option d, where an invasive species outcompetes native species for resources.

When an invasive species enters a salt marsh ecosystem, it often lacks natural predators and can rapidly reproduce, outcompeting native species for vital resources such as food, space, and shelter. This competition can disrupt the balance of the ecosystem and negatively impact the native species that are adapted to the specific conditions of the salt marsh.

Invasive species often have aggressive feeding habits, consume native species as prey, or outcompete them for limited resources, leading to a decline in the population size or even the extinction of native species. This disruption can have cascading effects on the entire ecosystem, affecting trophic interactions and nutrient cycling.

Salt marshes are complex habitats with specific ecological niches, and native species have evolved to rely on the availability of certain resources and interactions with other species. The introduction of an invasive species can disrupt these intricate relationships and upset the ecological equilibrium.

Therefore, the presence of an invasive species outcompeting native species for resources in a salt marsh would have a negative impact on the organisms residing there, leading to a loss of biodiversity and potential ecological imbalances. Therefore the correct option is d

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