*THIS IS SCIENCE, PLEASE ANSWER!* Which led to the formation of oceans after water on Earth's surface evaporated?
O The sun released a strong burst of water vapor.
O As Earth cooled, water in the atmosphere condensed.
O Materials collided due to strong gravitational forces.
O The ozone layer formed to protect against harmful UV ray exposure.

Cell Biology: Parts of the cell. Organelles.

The endoplasmic reticulum is an organelle found just outside the nucleus that is made of several interconnected cisternae, which membranes are continuous with the outer nuclear membrane.

It has two sections: the rough endoplasmic reticulum, which has ribosomes on its surface, and the smooth endoplasmic reticulum.

Basically, the endoplasmic reticulum synthetizes proteins and membrane lipids, and then sends them to the place that needs them.

In turn, the Golgi body or Golgi complex is a different organelle that is also made of cisternae, and where the proteins sent from the endoplasmatic reticulum are processed and modified before reaching their final destination.

This means the correct answer would be B. The Golgi apparatus receives proteins from the endoplasmic reticulum that it can modify or store for later use.

Answer:

The tendency to maintain a stable, relatively constant internal environment is called homeostasis. The body maintains homeostasis for many factors in addition to temperature.

Explanation:

True. Transcription factors regulate gene expression by binding to specific DNA sequences, either enhancing or blocking the transcription of genes by attracting or repelling RNA polymerase.

RNA polymerase is an enzyme that synthesizes RNA from a DNA template. It catalyzes the transcription of DNA into RNA by adding ribonucleotides to a growing RNA strand complementary to the template DNA strand. RNA polymerase is a complex enzyme, and different types exist in different organisms.

In eukaryotes, RNA polymerase II is responsible for the transcription of most protein-coding genes.DNA (deoxyribonucleic acid) is a long, double-stranded biomolecule that carries the genetic instructions used in the development, functioning, and reproduction of all living organisms.

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Answer: It contains leach aluminium.

Explanation:The ecological effect of acid rain are most Clearly seen in aquatic environment such as, stream, lakes and marshe where it can be harmful to fish and other wildlifes.

The ubiquity of the lymph node in the involvement of rectal cancer is depending on various factors and it also helps in the correct diagnosis.

Lymph nodes are considered to be organs which are smaller in size and it plays a major role in the detection for various fatal disease like cancer. It is also used in the diagnosis of viral disease and also includes cells that are part of the immune system to protect our organs from any illness.

The carcinoid tumor of the rectum is also ubiquitous to the lymph node as it involves in various factors. One of such factor is size of the tumor.

The size of tumor is an important aspect in the spread of cancer. Rectal carcinoid tumor(RCT) can be either larger in size or smaller in size. The size of tumor will tell about the approximate percentage of lymph node involved.

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The complete question is

State the prevalence of lymph node metastasis and their role in the long term survival of rectal carcinoid tumors ?

Answer: my best guess: A. Seeds have one or two small leaves.

Explanation: I hope this helps!

As per the given scenario, Seeds always come in the same size is incorrect. The correct option is C.

The process of a seed germination is described as the culmination of a series of actions that start with hydration and end with the emergence of the embryonic axis (typically the radicle) from the seed coat.

A seed's seed coat allows water and oxygen to enter when it is exposed to the right conditions. The cells of the embryo begin to expand.

The seed coat then splits open, allowing the shoot or plumule that contains the leaves and stem to emerge first, followed by the root or radicle.

Brad erred when creating the table to illustrate the distinction between a seed and a sprout. There is only one size for seeds is untrue.

Thus, the correct option is C.

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Answer:

Explanation:Chloroplasts are present in the cells of all green tissues of plants and algae. Chloroplasts are also found in photosynthetic tissues that do not appear green, such as the brown blades of giant kelp or the red leaves of certain plants. In plants, chloroplasts are concentrated particularly in the parenchyma cells of the leaf mesophyll (the internal cell layers of a leaf).

Non-nutritive sucking has been found to decrease the length of stay in hospitalized preterm infants and facilitate the transition from tube to bottle feeding.

With preterm newborns, non-nutritive sucking is a strategy used to encourage oral feeding prowess and ease the transition from tube feeding (also known as gavage feeding) to bottle feeding. It entails depriving the babies of milk or formula so they can practice sucking on a finger or dummy.

Non-nutritive sucking has been shown to shorten hospital stays for preterm newborns and make the switch from tube to bottle feeding easier. Sucking on a dummy or a finger without getting any milk or formula is referred to as non-nutritive sucking. It aids in the coordination and development of sucking abilities in newborns, both of which are necessary for effective bottle feeding. It has been demonstrated that using this strategy can speed up preterm infants' transition from tube feeding to oral eating and enhance their feeding abilities.

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Answer:

white spruces, red foxes

Explanation:

The molecule of phospholipid contains two fatty acid molecules linked to -OH groups and a nitrogen-containing base bound to the phosphate group.

Phospholipids are a class of lipids whose molecule has a hydrophilic head containing a phosphate group and two hydrophobic tails derived from fatty acids, joined by an alcohol residue.

Thus, it has a strongly non-polar and hydrophobic tail consisting of fatty acid chains and a polar and hydrophilic head comprising a negatively charged phosphate group and a positively charged base. Because of this dual solubility, the phospholipids are called AMPHIPHATIC lipids.

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The kind of relationship that exists between the fungus and the ants is symbiotic relationship. Leaf-cutter ants cultivate fungus. The ants keep conditions optimal for fungus growth and carry leaf fragments for the fungus to grow on. Then, the ants feed on pieces of the fungus.

The ants and the fungus have a relationship in which both of them receive benefits. The ants are provided with food, while the fungus gets nutrients from the ants' feces. This relationship is called mutualism, a symbiotic relationship in which both parties benefit from each other. The ants are farmer and caretakers of the fungus, which they use to feed their colonies.

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Commonly the place where a population lives is described was a habitat, forming a biological community, however there is not an option with that term, but between the present terms the one that is closer to a term for the area where a population lives is D. Geographic Distribution, since all the other alternatives are related to different factors of ecological studies.

Answer:

d. dominant gene

Explanation:

Answer:

D.

Explanation:

Answer:

The green part because the chloroplast is there and chlorophyll is in the chloroplast that makes the leaf green, since it contains a green pigment. The chlorophyll takes in energy and then uses it to make glucose in the chlorophyll.

Explanation:

Protein complexes of the electron transport chain that Pumps protons : complex I, complex III, complex IV.

Protein complexes of the electron transport chain that Do not pump protons : coenzyme Q, complex II, cytochrome C.

In general, the ETC proteins are complex I, complex II, coenzyme Q, complex III, cytochrome C, and complex IV. Coenzyme Q (ubiquinone) is composed of a quinone and a hydrophobic tail. Its function is to act as an electron carrier, transferring electrons to complex III.

An electron transport chain is a collection of protein complexes and other molecules that use redox reactions to excite an electron from electron donors to electron acceptors while also transporting protons across a membrane. Electrons are transferred from one molecule to another in the electron transport chain, and the energy released during these electron carriers is used to form an electrochemical gradient. The stored energy in the gradient is used to produce ATP in chemiosmosis.

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The event in Metaphase I of Meiosis I in which chromosomes are sorted randomly, thus, adding to the genetic variations is known as independent assortment.

What is meiosis?Meiosis is the procedure of cell division that happens in the sex cells of all sexually reproducing organisms. In animals, meiosis occurs in the cells that are responsible for producing eggs and sperm, while in plants and fungi, it occurs in specialized cells. Meiosis is a unique process that produces cells with half the number of chromosomes as the original cell. This is significant since it ensures that the resulting offspring get genetic information from both parents.

What occurs during meiosis?Meiosis is a multi-step process that occurs in two stages. The first stage is referred to as meiosis I, and the second stage is referred to as meiosis II. In each stage, the cell goes through several steps that lead to the separation of chromosomes into daughter cells. The major difference between mitosis and meiosis is that in meiosis, the process occurs twice. In meiosis I, the cell divides once, resulting in two cells with half the number of chromosomes. These cells then go through a second division, known as meiosis II, which is similar to mitosis and results in four daughter cells.

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Answer:

A.

Explanation:

it should be the guard cell. It is this because, the guard cell is supposed to almost close or move in and out depending on the type of weather or climate.

The correct option is C, Germinating peas at 20ºC have a higher fee of cellular respiration than germinating peas at 10ºC.

Cellular respiration is the process by which cells in living organisms generate energy from the food they consume. This process occurs in the mitochondria, which are organelles found in most eukaryotic cells. Cellular respiration is a series of complex biochemical reactions that involve the breakdown of glucose (or other organic molecules) to release energy in the form of ATP (adenosine triphosphate). This process involves three main stages: glycolysis, the citric acid cycle, and oxidative phosphorylation.

During glycolysis, glucose is broken down into two molecules of pyruvate. This process generates a small amount of ATP and NADH (nicotinamide adenine dinucleotide), which carries electrons to the next stage. The citric acid cycle then oxidizes pyruvate to produce more ATP, NADH, and FADH2 (flavin adenine dinucleotide).

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Complete Question:

in the course of germination, peas sprout and grow. The facts table indicates the carbon dioxide produced for the duration of the germination length of peas beneath different situations.

circumstance

charge of carbon dioxide produced (mL/min)

Germinating peas, 10ºC

zero.01

Germinating peas, 20ºC

zero.02

what is the excellent end?

A) The price of mobile breathing in germinating peas is exactly 1000 instances the rate of ATP production.

B) Germinating peas at 10ºC create carbon dioxide at a rate of 0.01 mL/min during ATP manufacturing.

C) Germinating peas at 20ºC have a higher fee of cellular respiration than germinating peas at 10ºC.

D) The fee of cellular breathing can not be measured without understanding the charge of ATP production.

C) Germinating peas at 20ºC have a better fee of cellular respiratory than germinating peas at 10ºC.

If the digestion of carbohydrates results in an equal amount of glucose and galactose, then this carbohydrate is probably lactose.

Whey is a byproduct of cheesemaking and casein manufacture. Lactose is made from whey by crystallizing an oversaturated solution of whey concentrate. Because it only occurs naturally in the milk of mammals, such as cows, goats, and humans, lactose is occasionally referred to as "milk sugar." Cheese and yogurt are made from milk from cows and goats, but not all milk products have the same proportion of lactose. As a reducing sugar, lactose can be found in both the -anomer and -anomer forms.

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Answer:

At the point when environment connects with biosphere they centers around on the sources and sinks of green house gases (GHGs) air toxins, specific issues, water and vitality between the world's surface and the climate. The biosphere influences the atmosphere.

Explanation:

hope this helps!! :D

Answer:

Carbon dioxide is cycled during plant respiration.

Or C on Edg

Explanation:

Answer:

The ultimate nature of reality is a complex and debated philosophical question, with different schools of thought providing different answers. There is no consensus on whether the human mind can fully comprehend the ultimate nature of reality.

It should be

Option C

Answer:

For example, cells in the interior of the body may be signaled by genes to become either muscle or connective tissues, while other cells on the exterior of the body will be signaled to become epithelial cells.

Explanation:

Answer: epithelial cells

Explanation:

For example, cells in the interior of the body may be signaled by genes to become either muscle or connective tissues, while other cells on the exterior of the body will be signaled to become epithelial cells.

The central atom in SCl2 is sulfur (S). The hybridization of the central sulfur atom in SCl2 is sp3, which means that sulfur has formed four hybrid orbitals by mixing one s orbital and three p orbitals.

The approximate bond angles in SCl2 are approximately 103 degrees.

Therefore, to summarize:

Hybridization is a concept in chemistry that describes the mixing of atomic orbitals to form new hybrid orbitals in a molecule or ion. This process occurs when a central atom in a molecule forms covalent bonds with other atoms. The new hybrid orbitals formed have different shapes and energies than the original atomic orbitals, and they allow for better overlapping with the orbitals of the other atoms in the molecule, resulting in stronger and more stable covalent bonds.

The hybridization of an atom is determined by counting the number of electron pairs around the central atom, including both bonding and nonbonding pairs. The type of hybrid orbitals formed depends on the number of electron pairs and the molecular geometry of the molecule.

The hybridization of the central sulfur atom in SCl2 is sp3.

The approximate bond angles in SCl2 are approximately 103 degrees.

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The cell is normally more negative on the inside and more positive on the outside. This voltage difference is maintained by the cell membrane.

If enough ions move to exceed the threshold, an action potential can be generated that causes a change in the membrane potential big enough to conduct a signal.

The statement refers to the resting membrane potential of a cell. The inside of the cell is negatively charged relative to the outside due to an uneven distribution of ions across the cell membrane. This voltage difference is maintained by various ion pumps and channels present in the cell membrane.

When a stimulus is strong enough to depolarize the cell membrane beyond the threshold level, an action potential is triggered. This depolarization involves a rapid influx of positively charged ions, such as sodium (Na+) ions, into the cell. The action potential propagates along the cell membrane, allowing the transmission of signals in neurons and other excitable cells.

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Energy that are not renewable can be

exhausted and the increasing use of internal combustion engines could eventually deplete petroleum.

Petroleum are fuel that are mainly produced from natural gas. This includes crude oil and some others hydrocarbons.

This fuel are used by vehicles, heavy machines to generate energy. The energy is a nonrenewable one.

Therefore, The increasing use of internal combustion engines could eventually deplete petroleum energy.

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Answer:

The muscle on the posterior portion of the upper arm is the triceps brachii. It is a large muscle that runs along the back of the upper arm, from the shoulder to the elbow, and is responsible for extending the elbow joint. The triceps brachii is composed of three heads: the long head, lateral head, and medial head. It is an important muscle for many activities, including pushing, pulling, and lifting.

An atom of the metal calcium, which is in group 2 and period 4, will most likely to attain a full outermost energy level of electrons by allowing its two outermost energy level electrons to be stripped away, resulting in a cation with a charge of +2 which is therefore denoted as option D.

This is referred to as a chemical substance that cannot be broken down into other substances.

Elements in group 2 will donate its electron to the other element so as to achieve a stable octet configuration resulting in a cation with a charge of +2 thereby making it the correct choice.

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The C.A.T.T. (Card Agglutination Test for Trypanosomiasis) test is preferred for mass screenings for trypanosomiasis over the lumbar puncture test due to several reasons.

Firstly, the C.A.T.T. test is less invasive compared to the lumbar puncture test. In the C.A.T.T. test, a small blood sample is used to detect the presence of antibodies against the trypanosome parasite, whereas the lumbar puncture involves inserting a needle into the spine to collect spinal fluid. This makes the C.A.T.T. test less painful and safer for the patient.
Secondly, the C.A.T.T. test is quicker and more cost-effective than the lumbar puncture test. Since mass screenings often involve testing a large number of individuals, it is essential to use a method that can provide rapid results without incurring high costs. The C.A.T.T. test is relatively inexpensive and can be performed on-site, allowing for immediate results.
Finally, the C.A.T.T. test has a higher sensitivity compared to the lumbar puncture test, meaning that it is more likely to correctly identify individuals with trypanosomiasis. This is particularly important for mass screenings, as false negatives could result in the spread of the disease.
In summary, the C.A.T.T. test is preferred for mass screenings of trypanosomiasis due to its non-invasiveness, cost-effectiveness, and higher sensitivity compared to the lumbar puncture test.

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