Accessible resources in the Arctic region have caught the attention of potential developers. Exploration geologists believe the North Slope of Alaska and the surrounding seas contain some of the largest remaining deposits of oil, gas, and coal in the U. S. Many individuals and companies are eager to build businesses based on the region’s rich resources. The region has also caught the attention of environmental stewards and groups that monitor climate conditions and impacts of any development. In order to understand the potential costs and benefits of developing Arctic resources in a safe and sustainable manner, and to help ensure that residents and ecosystems can adapt as conditions change, federal, state, local, and Native entities in Alaska formed the North Slope Science Initiative to collect scientific information to develop a vision of the future. All BUT ONE choice describes an environmental consideration for future generations when considering the potential of Arctic drilling and development?

Answer:

The cell must replicated DNA because when the cell divides, the daughter cells must have identical copies of DNA. DNA replication occurs in the S phase during interphase of the cell cycle.

Answer:

Reflex action/reflex arc/reflex (allow "involuntary") The stimulus (heat) is detected by temperature receptors in the skin. This causes impulses to travel along a sensory neurone to the spinal cord, due to chemical changes across the synapses. Here they go along a relay neurone, and then are sent via a motor neurone to the effector (an arm muscle in this case). The muscle contracts, moving the hand away and preventing further harm.

Operon is a stretch of DNA consisting of an operator, a promoter, and genes for a related set of proteins, usually making up an entire metabolic pathway.

A grouping of genes along the DNA that code for functionally similar proteins is known as an operon and is a genetic regulatory mechanism that is present in bacteria and their viruses. Because of this property, protein production can be coordinated to meet the demands of the cell.

An operon is a collection of genes that are all translated into the same mRNA and share a common promoter. Operons come in two different varieties: lac and trp. The lac operon is an inducible operon that is present in Escherichia coli and encodes the genes involved in the catabolism of lactose.

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Answer:

24cm³

Explanation:

density = mass/volume

0.925 = 22/volume

volume = 22/0.925 ≈ 23.783 ≈ 24cm³

Answer:

Glucose provides plants with needed food through a process called photosynthesis. This process helps plants convert the energy they take in from sunlight into sugar to help nourish the plant. ... Plants use these to form glucose and oxygen.

Answer:

Glucose is initially formed through the act of photosynthesis, which is how plants use water and carbon dioxide to produce energy. From this combination of carbon dioxide and water,a carbohydrate is formed which is initially used in the leaf structure for a variety of purposes.

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The given statement "If a mutation has no effect on fitness, it may stay in the gene pool indefinitely" is true because If a mutation has no effect on fitness, meaning it neither enhances nor reduces an organism's ability to survive and reproduce.

It is considered neutral in terms of natural selection. In this case, the mutation can persist in the gene pool indefinitely. Since natural selection acts on traits that affect an organism's fitness, mutations that have no impact on fitness are not subject to selective pressures. As a result, these neutral mutations can accumulate and persist in a population without being eliminated by natural selection.

Over time, the frequency of these neutral mutations may fluctuate due to genetic drift, migration, or other factors, but they can remain in the gene pool over generations. It's important to note that even though a neutral mutation may persist, it may still be lost or go to fixation in a population due to random chance or other evolutionary forces.

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Answer: The needs of the living things within the ecosystem.

Explanation: Carrying capacity for an ecosystem means the amount of organisms an ecosystem can carry.  If the ecosystem overpopulates with a certain species, it decreases the biodiversity of the entire ecosystem.  A main factor that the carrying capacity of an ecosystem is limited by is the needs of the living things in that ecosystem.  If that ecosystem overpopulates, every species in that ecosystem will compete to meet the needs of their own, whether it's food, water, or shelter.

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Inputs for a washing machine:

- Electricity to power the motor, drum, pump and other components

- Water from the water supply

- Detergent and fabric softener added by the user

- User settings for the wash program (hot/cold, water level, spin speed etc)

Outputs from a washing machine:

- Clean clothes

- Wastewater drained out

- Some noise from the motor and drum spinning

The organ-system components of the biological control system for a human are:

Inputs:

- Sensory inputs from eyes, ears, skin, tongue etc which provide information about external environment and internal body states

Components:

- Nervous system (brain, spinal cord, nerves) which processes input and coordinates responses

- Endocrine system (glands) which secretes hormones to regulate processes

Outputs:

The system provides:

- Muscle movements and actions as output responses

- Gland secretions like tears, sweat and saliva as outputs

- Physiological changes in heartbeat, breathing and digestion as outputs

The overall operation is that inputs are detected, processed by the brain and nervous system, which then coordinate output responses via muscles, glands and organs to maintain homeostasis and adapt to the environment. The endocrine system assists the nervous system by secreting hormones that induce slower but longer-term responses.

Answer:

A. Power

Explanation:

Based on the given information, the best illustration of the change in the frequencies of the A and a alleles from generation 1 to generation 2 and future generations, assuming Hardy-Weinberg equilibrium is present after generation 1, would be:

Generation 1:

AA = 0.67,

aa = 0.33

Generation 2:

AA = 0.87,

aa = 0.13

Future generations:

AA = 0.87,

aa = 0.13

This means that the frequency of the A allele (represented by AA) increased from generation 1 to generation 2 and remains the same in future generations. The frequency of the a allele (represented by aa) decreased from generation 1 to generation 2 and also remains the same in future generations. This implies that there is no further change in allele frequencies beyond generation 2, and individuals with the aa genotype can still be produced in future generations.

Therefore, the correct answer is :

Generation 1:

AA = 0.67,

aa = 0.33

Generation 2:

AA = 0.87,

aa = 0.13

Future generations:

AA = 0.87,

aa = 0.13

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Answer: hi I 4 my broter wa in thi ap

Explanation:

Answer:

I believe it is C

Explanation:

I hope this helps!

Earthquakes in the New Madrid Seismic Zone are much more common than earthquakes on the west coast is NOT a reason that earthquakes in the New Madrid Seismic Zone and eastern U.S. are more devastating than earthquakes on the west coast.

Earthquakes in the New Madrid Seismic Zone and eastern U.S. are more devastating than earthquakes on the west coast due to several reasons. One reason is that the New Madrid Seismic Zone is located in areas with a lot of sediment that make liquefaction a major risk factor for increased destruction.

This means that the ground can turn into a liquid-like substance during an earthquake, causing buildings and infrastructure to sink or collapse. Another reason is that the older, denser crust under the eastern U.S. transmits seismic waves farther than the younger, less dense crust in the western U.S. This means that the seismic waves can travel farther and affect a larger area, resulting in more widespread damage.

Finally, people in the eastern U.S. may not feel the need to prepare for earthquakes or have earthquake-proof buildings as much as those in the west, making them more vulnerable to damage and loss. The frequency of earthquakes is not a factor in why earthquakes in the New Madrid Seismic Zone and eastern U.S. are more devastating than those on the west coast.

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The overall efficiency of the light-dependent reactions can be estimated by comparing the energy content of the produced ATP and NADPH to the total energy input from the absorbed photons.

ATP, or adenosine triphosphate, is a vital molecule found in all living organisms. It serves as the primary energy currency of cells, providing the necessary fuel for various biological processes. ATP consists of three components: a ribose sugar molecule, a nitrogenous base (adenine), and three phosphate groups.

The energy stored in ATP is released when the terminal phosphate group is enzymatically removed, resulting in the formation of adenosine diphosphate (ADP) and an inorganic phosphate molecule (Pi). This process is known as hydrolysis. When energy is required for cellular activities such as muscle contraction, active transport, or synthesis of molecules, ATP is broken down to ADP, and the released energy is harnessed to drive these processes.

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Answer:

The correct order of protein production is:

c) 1,2,4,3

Ribosome: Protein synthesis begins in the ribosomes, which are located either in the cytoplasm or attached to the endoplasmic reticulum.

Endoplasmic Reticulum: After the initial stages of protein synthesis in the ribosomes, the newly synthesized protein is transported into the endoplasmic reticulum (ER) for further processing and modification.

Golgi Apparatus: The proteins synthesized in the ER undergo further processing and modifications in the Golgi apparatus. This includes sorting, packaging, and modifying the proteins to their final functional forms.

Secretory Vesicles: Once the proteins are properly processed and modified in the Golgi apparatus, they are packaged into secretory vesicles. These vesicles transport the proteins to their destination, such as the plasma membrane for secretion outside the cell.

Therefore, the correct order is 1, 2, 4, 3.

Answer:

The correct order of protein production is ribosome, endoplasmic reticulum, Golgi apparatus, and secretory vesicles. So the correct answer would be c) 1,2,4,3.

Many proteins destined for the endoplasmic reticulum, the Golgi apparatus, lysosomes, the plasma membrane, and secretion from the cell are synthesized on ribosomes that are bound to the membrane of the endoplasmic reticulum. The Golgi apparatus then distributes these proteins and lipids that it receives from the ER.

Answer:

a) making bone - Calcium

b) making hemoglobin​ - Iron

Explanation:

Mineral ions are defined as the charged forms of minerals which are required in small amount in human body but are essential otherwise leads to deficiency symptoms.

Making bone and making hemoglobin​ both require mineral ion. Making bone require calcium ion, as it maintain the bone mass and strengthen the bones. hemoglobin​ formation require iron ion, as iron helps to oxygenate our blood cells.

Hence, the correct answer is "a) making bone - Calcium

b) making hemoglobin​ - Iron".

Option b is correct. Culture can be defined as a program of shared rules of norms that govern the behavior of people in a society as well as a set of shared values and beliefs.

Social roles, expectancies, and other behavioral patterns that are passed down from one generation to the next and influence how individuals interact with one another can be included in these rules and norms.

Expectations are people's ideas and presumptions about how other people ought to act in particular circumstances, depending on their culture and societal mores.

The specific codes of conduct that are anticipated in particular social contexts and are upheld by the larger community are known as rules and norms. The mental processes that underpin human behavior, such as perception, memory, and reasoning, are referred to as cognitions.

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Answer:

A) photosynthesis and chemosynthesis

Explanation:

Chemosynthesis is the biological conversion of one or more carbon-containing molecules and nutrients into organic matter using the oxidation of inorganic compounds or ferrous ions as a source of energy and photosynthesis obviously.

Answer:

The answer is C

Explanation:

Answer:c

Explanation:K12

Answer:

Periosteum, Compact Bone, Spongy Bone, Bone Marrow, Articular Cartilage, Medullary Cavity

Explanation:

Periosteum: The outermost layer of a bone is called the periosteum. It is a tough, fibrous membrane that covers the bone's surface. The periosteum contains blood vessels, nerves, and connective tissue that nourish and support the bone.

Compact Bone: Beneath the periosteum lies a layer of compact bone, also known as cortical bone. Compact bone is dense and hard. It forms the main shaft or diaphysis of the long bone. Its structure consists of multiple layers of tightly packed mineralized matrix called lamellae, which contain collagen fibers. Compact bone provides strength and protection to the bone.

Spongy Bone: The interior of the bone, particularly at the ends and in the middle of long bones, contains spongy bone, also called cancellous or trabecular bone. Spongy bone has a porous, lattice-like structure composed of thin, branching bony plates called trabeculae. The spaces between the trabeculae are filled with bone marrow. Spongy bone helps reduce the weight of the bone while providing support and flexibility.

Bone Marrow: Within the spaces of spongy bone is bone marrow. There are two types of bone marrow: red marrow and yellow marrow. Red marrow is responsible for producing blood cells, including red blood cells, white blood cells, and platelets. Yellow marrow consists mainly of fat cells and serves as a storage site for adipose tissue.

Articular Cartilage: At the ends of long bones, where they articulate with other bones in joints, there is a layer of smooth, slippery cartilage called articular cartilage. It helps reduce friction and absorbs shock during movement, facilitating smooth joint motion.

Medullary Cavity: Within the diaphysis or shaft of the long bone, there is a hollow space called the medullary cavity. The medullary cavity contains bone marrow and serves as a storage site for yellow marrow.

The best samples for accurate radiocarbon dating of the house occupation are wood charcoal, carbon-rich sediment from the hearth, and a heavily waterworn and burnt whale rib bone fragment, while mouse bone, deer bone with stone tool mark, bone tool fragment, burnt wood with bark, and a burnt corn cob may result in misleading or incorrect dates.

To determine the best age estimates for the house occupation and identify samples that may result in misleading or incorrect dates, we need to consider the reliability and potential sources of error in radiocarbon dating.

Radiocarbon dating is based on the decay of carbon-14 (C-14) isotopes in organic materials. It is most accurate when dating materials that were once part of a living organism and have undergone minimal contamination or alteration. Here's an assessment of each sample:

Best Age Estimates:

Misleading or Incorrect Dates:

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The single greatest cause of species extinction is human activity, such as habitat destruction, pollution, overhunting, and introduction of invasive species.

The single greatest cause of species extinction is habitat loss and fragmentation, which occurs when natural habitats are destroyed or altered due to human activities such as deforestation, agriculture, and urbanization.

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Hydrogen iodide causes glucose to totally decrease after heating, producing n-hexane. Reducing agent hydrogen iodide is used.

The primary form of sugar in the blood, glucose serves as the body's cells' main source of energy.

Glucose can be produced by the body from other chemicals or it can be obtained from the meals we eat. The bloodstream carries glucose to the cells. Insulin is one of many hormones that regulate blood glucose levels.

When pure, hexane is an odourless liquid with a boiling point of about 69 °C (156 °F).

Modern gasoline blends contain roughly 3% hexane because it is widely utilised as a cheap, generally safe, mainly unreactive, and easily evaporizable non-polar solvent.

Thus, these are some properties of glucose and n-hexane that result from these differences in functional groups.

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Answer:

D.

Explanation:

Translation occurs in a structure called the ribosome, which is a factory for the synthesis of proteins. The ribosome has a small and a large subunit and is a complex molecule composed of several ribosomal RNA molecules and a number of proteins.

Answer:

High

Explanation:

the momentum of the ball is 270.9