in a eukaryotic cell, where does transcription occur?

Answer:

This is the pollination of a flower with pollen from another flower.

Explanation:

This is under the type of pollination.

Hope it helps.

Answer:

pollination of a flower or plant with pollen from another flower or plant.

Explanation:

Answer:

plants have plant cell animal have animal cell

plant are autotroph animal are not

plant are fix animal can move

chlorophyll is in plant but not animal

When blood glucose levels rise above the normal range, the pancreas secretes insulin, but when blood glucose levels fall below the normal range, the pancreas secretes glucagon.

Glucagon is a hormone that regulates blood glucose levels in conjunction with other hormones and physiological processes. It is an essential element that maintains the body's blood glucose levels since it originates from beta cells, which secrete insulin, and alpha cells, which are present in the pancreas.

Normally, after eating a meal, blood glucose levels rise. When blood sugar levels rise, insulin is released by pancreatic cells, which causes the body to take up glucose from the blood and return blood sugar levels to normal.

Glucagon prevents blood glucose levels from falling too low, whereas insulin prevents levels from increasing too high. The two hormones of pancreas work in opposition to one another to control blood sugar.

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Answer:

1. Homeostasis.

2. Cell membrane.

3. Semi-permeable.

4. Passive transport

5. Osmosis.

6. Facilitated diffusion.

7. Active.

8. Endocytosis.

9. Exocytosis.

10. Protein pumps.

Explanation:

A cell can be defined as the fundamental or basic functional, structural and smallest unit of life for all living organisms. Some living organisms are unicellular while others are multicellular in nature.

A unicellular organism refers to a living organism that possess a single-cell while a multicellular organism has many (multiple) cells.

Generally, cells have the ability to independently replicate themselves.

In a cell, the "workers" that perform various functions or tasks for the survival of the living organism are referred to as organelles.

In order for cells to function properly and stay alive, they must be in a state of equilibrium known as homeostasis.

Homeostasis can be defined as a process through which a living organism maintains a steady or stable physical, internal and chemical environment that is ideal to enhance life and proper functionality.

One way that cells maintain balance is by transporting material in and out of a cell; the cell membrane is the organelle that is responsible for regulating this process. The cell membrane is called semi-permeable which means that the membrane will allow some materials to enter/exit the cell while preventing others. Thus, it is the wall of the cell and typically controls what leaves and enters the cell.

Some materials can easily move across the cell membrane without requiring energy, this is called passive transport and includes diffusion and osmosis, the diffusion of water. Another type of passive transport requires a protein to move larger molecules such as glucose across the cell membrane. This is called facilitated diffusion.

Other particles require energy to move across the membrane because they move against the concentration gradient and against homeostasis; this type of movement is called active transport. An example of active transport is endocytosis where vesicles are formed to move large particles into the cell and exocytosis where vesicles move large particles out of the cell.

This ultimately implies that, exocytosis is a process in which living organisms release or expel large amount of unwanted material through the use of vesicles. Vesicles are cell organelles that ensure materials are properly transported to the right and exact location.

Additionally, exocytosis is a process initiated by the Golgi apparatus because it prepares the material for export by chemically tagging them.

Protein pumps are another example of active transport that moves ions against the concentration gradient using a protein.

Answer:

electrical energy is converted

Monogenetic disorders are genetic disorders that are caused by changes or mutations in a single gene. These disorders are inherited in an autosomal dominant, autosomal recessive, or X-linked manner. Unlike complex genetic disorders, which are caused by the interaction of multiple genes and environmental factors, monogenetic disorders are caused by a single gene defect.

Examples of monogenetic disorders include cystic fibrosis, sickle cell anemia, Huntington's disease, Tay-Sachs disease, and hemophilia. Cystic fibrosis is caused by a mutation in the CFTR gene, which affects the function of the respiratory, digestive, and reproductive systems. Sickle cell anemia is caused by a mutation in the HBB gene, which affects the structure of red blood cells. Huntington's disease is caused by a mutation in the HTT gene, which affects the function of the nervous system. Tay-Sachs disease is caused by a mutation in the HEXA gene, which affects the metabolism of lipids. Hemophilia is caused by mutations in the F8 or F9 genes, which affect blood clotting.

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(c) Prokaryotes, mitochondria, and Chloroplasts all have DNA and ribosomes provides the best evidence for the Endosymbiotic theory of the origin of Eukaryotes.

The Endosymbiotic theory proposes that eukaryotic cells originated from A symbiotic relationship between two or more prokaryotic cells. Specifically, it suggests that the mitochondria and chloroplasts of Eukaryotic cells were once free-living bacteria that were engulfed by Larger host cells and eventually evolved into organelles.

The presence of DNA and ribosomes in both prokaryotes and Mitochondria/chloroplasts is a crucial piece of evidence in support of this Theory. This is because DNA and ribosomes are essential components of All living cells and are responsible for the synthesis of proteins, the Building blocks of life.

Therefore,  c) Prokaryotes, mitochondria, and Chloroplasts  provides the Best evidence for the Endosymbiotic Theory of the origin of Eukaryotes.

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Self-pollination is the transfer of pollen from the male reproductive organ of a flower to the female reproductive organ of the same flower or another flower on the same plant.

Cross-pollination, on the other hand, involves the transfer of pollen between the male reproductive organ of one plant to the female reproductive organ of a different plant, either of the same species or a different species.

In the case of chrysanthemums, they typically undergo cross-pollination. Chrysanthemum flowers possess both male and female reproductive organs within the same flower, but they have mechanisms that promote cross-pollination.

These mechanisms include the physical separation of the male and female parts, the release of pollen before the female reproductive organs become receptive, and the presence of certain barriers that prevent self-pollination.

These adaptations enhance genetic diversity and reduce the chances of inbreeding, leading to healthier and more robust offspring in chrysanthemums.

While chrysanthemums can undergo self-pollination under certain conditions, their natural reproductive strategy leans towards cross-pollination, with the assistance of pollinators like bees and butterflies.

This allows for the exchange of genetic material between different chrysanthemum plants, contributing to their overall genetic variability and adaptability.

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Answer:

To understand the origin of the species.

Explanation:

This is true

May nilbin be with you

Answer:

A. Small size.

B. A single cell or unicellular.

C.it has one chromosome which is not true and it is called plastid.

Explanation:

This is because prokaryote are unicellular organisms that lack nucleus and membrane bound organelles. The are smaller in size compare to eukaryotic, which have large surface to volume ratio. They lack mitochondria, Golgi apparatus, endoplasmic recticulum, e t.c. They have only one chromosomes which is not even a true one and it is called plastid. Examples of prokaryote include bacteria.

Structure A is a ATP synthase.

ATP synthase is a vital enzyme found in the mitochondria of cells. It plays a crucial role in cellular respiration, the process through which energy is generated. ATP synthase functions as a molecular motor, using the energy stored in a proton gradient across the inner mitochondrial membrane to produce ATP (adenosine triphosphate), the cell's primary energy currency.

As protons flow through ATP synthase, it undergoes conformational changes that convert ADP (adenosine diphosphate) and inorganic phosphate into ATP. This process is known as oxidative phosphorylation and is essential for the efficient production of ATP, enabling various cellular processes to function optimally, from muscle contraction to nerve transmission.

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------------The given question is incomplete, the complete question is:

"Structure A Is _______.

-ATP Synthase
-Phospholipid
-An Electron Acceptor
-Sensory Protein
-An Electron Donor"-------------

Answer:

I would say the answer would be: 2. The heart contracts and expands to move blood.

Explanation:

The heart is forcing itself to contract and expand so it can move blood throughout the body. If I am wrong, let me know, but I believe that this is correct since it's a function of force.

Answer:

Nitrogen fixation (N2 to NH3/ NH4+ or NO3-)

Nitrification (NH3 to NO3-)

Assimilation (Incorporation of NH3 and NO3- into biological tissues)

Ammonification (organic nitrogen compounds to NH3)

Denitrification(NO3- to N2)

Explanation:

The cut-off that allows a continuous (quantitative) measure to be treated as a dichotomous (discrete) measure is commonly referred to as a decision threshold or classification threshold.

In various fields such as statistics, data analysis, and machine learning, there are situations where it is necessary to convert a continuous variable into discrete categories.

This conversion simplifies the analysis or facilitates decision-making by classifying observations into distinct groups.

The decision threshold represents the value or point along the continuous scale at which the categorization is made.

Any observation above or below this threshold is assigned to one of the two discrete categories.

For example, let's consider a scenario where we have a continuous variable representing "income."

To classify individuals as "high income" or "low income," a decision threshold can be set.

Any individual with an income above the threshold is categorized as "high income," while those with an income below the threshold are categorized as "low income."

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Answer:

they both make their own food (pumpkin and corn)

Explanation:

The universal donor blood group is O and the universal acceptor group is AB+

There are four types of blood groups present. They are A, B, AB, and O. The blood groups of a person are determined by the genetics of his parents.

A, B, and Rh antigens are present in the blood group AB+, which has no serum antibodies and is the universal acceptor. On the other side, blood group O- is the universal donor because it does not include the Rh antigen, antigens A or B.

Therefore, a. universal donor blood group is O-.

b. universal acceptor group is AB+

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The cell is a living unit greater than the sum of its parts" emphasizes that a cell possesses emergent properties and functions that go beyond the individual components it comprises.

While a cell consists of various organelles with specific roles, its behavior and capabilities result from the interactions and integration of these components. Cells exhibit emergent properties such as growth, reproduction, response to stimuli, and specialized functions.

In multicellular organisms, cells collaborate to form tissues, organs, and organ systems, further showcasing emergent properties that cannot be attributed solely to individual cells.

Understanding the complexity and functionality of cells requires recognizing their integrated nature, where the whole cell entity transcends the mere sum of its constituent parts.

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Answer:

D

Explanation:

I'm not sure but i think it is

Answer.........

Explanation:

Pheochromocytomas are tumors that arise from chromaffin cells, which produce and secrete catecholamines such as adrenaline and noradrenaline. These tumors can occur in the adrenal glands (located above the kidneys) or in extra-adrenal sites such as the organ of Zuckerkandl and the carotid body.

Approximately 10% of pheochromocytomas are extra-adrenal, and they can be more difficult to diagnose and treat than adrenal pheochromocytomas. The organ of Zuckerkandl is a group of chromaffin cells located near the origin of the inferior mesenteric artery, and pheochromocytomas that arise from this location are often referred to as Zuckerkandl tumors. The carotid body is a small cluster of cells located near the bifurcation of the carotid arteries, and tumors that arise from this location are often called carotid body tumors. Extraadrenal pheochromocytomas may present with symptoms such as hypertension, palpitations, headache, and sweating, similar to adrenal pheochromocytomas.

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The type of scientist best qualified to perform genetic engineering to produce more productive seeds in agriculture would be a molecular biologist, the correct option is C.

Molecular biologists specialize in studying the structure, function, and interactions of molecules within biological systems, including DNA and genes. Genetic engineering involves manipulating the genetic material of organisms, which requires a deep understanding of molecular biology principles.

Molecular biologists have the expertise to identify and isolate specific genes responsible for desired traits in crop plants, such as increased productivity or resistance to pests or diseases. They can then modify or introduce these genes into target plants to achieve the desired outcomes, the correct option is C.

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Fetal pigs' right and left lungs have different numbers of lobes because the left lung needs to really be smaller to make room for the heart.

Fetal pigs are really the piglets that sows who were slaughtered for the meat industry were still carrying. Instead of being produced and murdered for this reason, these pigs are taken from the uterus of a dead sow. Piglets that aren't utilized for classroom dissections are frequently used as fertilizer or are just thrown away.

The uterus and liver of a fetal pig are different from those of an adult human. Bicornate uterus is what the fetal pig's uterus looks like. To allow for many offspring, the pig uterus features two sizable horns that emerge from the body of the uterus.

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Answer:

Dew is atmospheric moisture condensing on colder surfaces, and is pure water. Guttation is moisture secreted from within the plant itself, and contains xylem sap. Guttation allows for secretion through the edges of the plant.