What are the some reasons that mountain springs and srtreams are usually clearer,colder and more oxygenated than rivers? guys please answer i will mark as a brainlist plz​

Hematology is the study of the physiology and pathology of the cellular elements of blood. The three major cellular components of blood are red blood cells, white blood cells, and platelets.

Answer:

an increase or decrease in temperature

Explanation:

it the only that makes since

The chromosomes of a male and a female human share many similarities, but they also have some distinct differences. Both males and females have 23 pairs of chromosomes, for a total of 46 chromosomes. Among these pairs, 22 pairs are autosomes, which are the same in males and females, and one pair is the sex chromosomes, which determine the individual's sex.

The key difference lies in the sex chromosomes. Males have one X chromosome and one Y chromosome, denoted as XY, while females have two X chromosomes, denoted as XX. The presence of the Y chromosome in males determines their male characteristics and development. The X chromosome is responsible for many traits unrelated to sex determination and is present in both males and females.

In terms of size and structure, the autosomes are similar between males and females. They carry the majority of the genetic information and govern various aspects of an individual's traits and characteristics. The sex chromosomes, however, exhibit some structural differences due to the presence of the Y chromosome in males.

Overall, while the majority of the chromosomes are shared between males and females, the presence of the Y chromosome in males and the absence of it in females result in the primary distinction between the sexes in terms of chromosomal composition.

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Answer:

Alright, sure thing.

Explanation:

Grizzly bears, like black bears, eat a lot of vegetation, but they also eat more meat than their cousins. Grizzly bears hunt deer, elk, moose, and bison regularly, along with fish like salmon and trout. When meat is not available, they prefer to eat wild beans, nuts, grass, and tubers (a thickened underground part of a stem).

Answer:

4. optics

Explanation:

If a person was interested in studying how light passes through clear substances, the field of science which would be the best course of study is optics. Optics refers to the field of science which typically deals with the study of light and infrared radiation, as well as their interaction with substances or objects (matter).

This field of science (optics) makes it possible for scientists and researchers to observe the propagation of light from a source through a medium, understand the behavioral patterns and properties of light.

Answer:

Explanation:

The corresponding RNA strand will be adenine, cytosine, guanine, cytosine, uracil, and adenine.  The process of the production of the mRNA is known as transcription. There are two types of strands leading coding strand.

The strand which codes as the primary transcript has a similar base sequence to the  DNA strand and is known as the coding strand. This coding strand is the main template that helps in producing the RNA. This strand is the antisense that helps in the production of the complementary messenger RNA. Thymine is replaced by uracil in the RNA.

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The cube that would have difficulty for maintaining homeostasis is Model A because the smaller surface area to volume ratio of the cell makes moving nutrients and waste into and out of the cell more difficult (Option D).

The cellular homeostatic state refers to the state of internal equilibrium in the cell which is mainly due to the ability to perform all metabolic activities such as the intake of nutrients and elimination of waste products.

A higher number of smaller cell increase the surface volume cell ratio, thereby many cells have more chances to maintain homeostasis than a larger single cell.

Therefore, with this data, we can see that the cellular homeostatic state is based on a state of internal equilibrium which can be reached by having a suitable surface volume ratio in multicellular organisms.

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Answer:

Genetic variations helped anoles survive a migration from one type of environment to another because of the way the genetics were set up/ passed down to the anoles. They also could have adapted really quick by the way there skin and body make up is.  

The correct overall sequence for gluconeogenesis is oxaloacetate -> malate -> fumarate -> oxaloacetate -> PEP -> glucose.

The other sequences listed in the question are incorrect. While f6p, fbp, and g6p are involved in the process, they are not in the correct order or missing steps in between. Pyruvate and lactate are also involved in gluconeogenesis, but they do not follow the sequences listed in the question.

In gluconeogenesis, oxaloacetate is first converted to malate, then to fumarate, and then back to oxaloacetate to create a cycle that can produce glucose. From oxaloacetate, PEP is formed, which then undergoes several steps to produce glucose. The process requires energy in the form of ATP and also requires other intermediates and enzymes to complete the conversion.

Overall, gluconeogenesis is the process by which the body can produce glucose from non-carbohydrate sources such as proteins and fats. It is an important process in maintaining blood glucose levels, especially during fasting or exercise when glucose stores are depleted.

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DNA polymerase adds new nucleotides to the 3' end of the growing new daughter strand during DNA replication. DNA replication is a process by which a double-stranded DNA molecule is copied to produce two identical daughter strands. DNA polymerase is the enzyme responsible for synthesizing the new DNA strand.

During DNA replication, the parental DNA molecule unwinds and separates into two strands. Each of these strands serves as a template for the synthesis of a complementary daughter strand. DNA polymerase moves along the template strand in the 3' to 5' direction, synthesizing the new daughter strand in the 5' to 3' direction.

The synthesis of the new DNA strand occurs in a continuous manner on the leading strand, which is oriented in the 3' to 5' direction. However, on the lagging strand, DNA synthesis occurs discontinuously in short fragments called Okazaki fragments. These fragments are later joined together by DNA ligase.

Therefore, DNA polymerase adds new nucleotides to the 3' end of the growing new daughter strand, as the enzyme moves along the template strand in the 3' to 5' direction during DNA replication.

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Answer:

The four elements common to all living organisms are oxygen (O), carbon (C), hydrogen (H), and nitrogen (N).

Explanation:

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Answer:

Tricuspid: has three leaflets which allow blood to flow from the right atrium to the right ventricle. 

Pulmonary: also has three leaflets which allow blood to pump from the right ventricle to the pulmonary artery

Bicuspid: has two leaflets which allow blood to flow from the lungs into the left atrium.

Aortic: has three leaflets which open to let blood flow from your heart’s left ventricle to the aorta. 

1) According to the diagram, divergence among mammals took place about 75 mya.

2) Scientists are able to determine common ancestors by studying molecular data.

3) Darwin's theory of evolution by natural selection states that animals change over long periods of time.

4) Scientists are closesly studing how genes reorganize themselves.

5) Some scientists, however, think new species evolve quickly.

6) Still, among scientists, the principles of natural selection remain unchanged and highlight how animals evolve.

7) The main tool for the study of evolution is careful observation of fossils and the anatomy of animals.

8) Scientists also study animal embryology.

9) What no one doubts is the wide diversity among organisms on Earth.

10) The divergence that took place among mammals helps us understand why whales and dolphins are mammals and not fish.

Fun fact: Uh, I happen to discover a whole packet of answer keys, not just for this but also for other assignments and stuff. (O.O)

You must clean the 10X lens firstly if you are unable to get your bacterial slide to focus using the 10x objective lens, but it was focused with the 4x lens.

The four objective lenses on your microscope are the scanning (4x), low (10x), high (40x), and oil immersion lenses (100x). The oil immersion lens, which is used to observe microorganisms and calls for technical instructions not addressed in this lab, is not something you will utilize in this one.

The eyepiece's ocular lens has a magnification in addition to the objective lenses. The sum of the ocular and objective lenses' magnifications is used to get the overall magnification. The 10x objective lens has to be cleaned first if your bacterial slide was focused with the 4x lens but is not focusing with the 10x objective lens.

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Question correction:

If you are unable to get your bacterial slide to focus using the 10X objective lens, but it was focused with the 4X lens, what would be the first thing to try?

Responsibilities during the administration of Activase may include:

1. Assessment: Healthcare professionals need to assess the patient's medical history, symptoms, and any contraindications or risk factors that may affect the administration of Activase. This assessment helps determine if the patient is an appropriate candidate for the medication.

2. Informed Consent: Healthcare professionals should obtain informed consent from the patient or their authorized representative before administering Activase. This involves explaining the potential benefits, risks, and possible complications associated with the medication.

3. Preparation: Activase is typically administered intravenously, and healthcare professionals are responsible for preparing the medication according to the prescribed dosage and dilution requirements. They must follow proper aseptic techniques and ensure the medication is ready for administration.

4. Administration: Healthcare professionals administer Activase through an intravenous line. They must closely monitor the patient during and after administration to observe for any adverse reactions or complications. Vital signs, such as blood pressure and heart rate, may be monitored regularly.

5. Post-administration Care: After the administration of Activase, healthcare professionals continue to monitor the patient's condition closely. They may provide supportive care, manage potential side effects or complications, and implement any necessary interventions as needed.

It's important to emphasize that the administration of Activase (tPA) is a specialized medical procedure that should only be performed by trained healthcare professionals following established protocols and guidelines. The specific responsibilities and procedures may vary depending on the healthcare setting, patient condition, and medical team involved.

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The characteristic that is not the same for DNA-dependent DNA synthesis and DNA-dependent RNA synthesis is that DNA-dependent RNA synthesis does not require a primer for initiation of synthesis.

In DNA-dependent DNA synthesis, a primer is necessary to provide a starting point for DNA polymerase to attach and begin extending the new strand. However, in DNA-dependent RNA synthesis, the RNA polymerase can directly bind to the promoter sequence on the DNA template and initiate synthesis without the need for a primer.
Both DNA-dependent DNA and RNA synthesis proceed in the 5' to 3' direction, with phosphodiester bond formation between nucleotides. Both also require a template strand to guide the synthesis of the new strand. However, the mechanism of initiation is different between the two processes.
Overall, DNA-dependent DNA and RNA synthesis share many similarities in terms of their basic mechanism, but there are some key differences that reflect the unique requirements of each process. By understanding these differences, we can better appreciate the complexity and versatility of the genetic machinery that drives life as we know it.

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When a non-polar substance is added to water, the molecules of water will behave in a way to minimize contact with the non-polar substance.

Polar substances are substances that have positive and negative charges at opposite ends or poles of the molecule. Water is an example of a polar substance. This is due to the molecule's polar covalent bonds, which allow for partial charges to be distributed across the molecule's atoms.

Nonpolar substances, on the other hand, have no charge separation, and the electrons are shared equally between the atoms. They can't mix with polar substances like water because the polar water molecules have a partial positive charge on one end and a partial negative charge on the other end.

When a non-polar substance is added to water, the nonpolar molecules tend to clump together rather than mix evenly with the water.The molecules of water will behave in a way to minimize contact with the non-polar substance by forming a cluster with their polar ends pointing outwards, away from the non-polar substance.

This is known as the hydrophobic effect. The water molecules will surround the non-polar substance, forming a cage around it. This is because water molecules are attracted to each other, forming hydrogen bonds, while non-polar substances are not attracted to water molecules.

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Answer:

ATP and NADPH formed during the light reaction of photosynthesis are used in dark reaction for fixing CO2 and to form glucose molecules.

The environmental impact assessment of non-wood based pulp production by the soda-anthraquinone pulping process evaluates the potential environmental effects of producing pulp from non-wood sources using this specific pulping method.

Step 1: Identify the non-wood based source - The first step is to determine the specific non-wood source being used for pulp production. This could include agricultural residues, such as sugarcane bagasse or straw, or alternative fiber sources like bamboo or hemp.

Step 2: Soda-anthraquinone pulping process - The soda-anthraquinone pulping process is a commonly used method for pulping non-wood fibers. It involves cooking the fibers with a mixture of sodium hydroxide (soda) and anthraquinone, which helps improve pulp yield and quality.

Step 3: Assess environmental impacts - The environmental impact assessment involves evaluating various aspects of the process, including water usage, energy consumption, air emissions, solid waste generation, and potential impacts on ecosystems and biodiversity.

Step 4: Mitigation measures - Based on the assessment, potential environmental impacts should be identified, and appropriate mitigation measures should be recommended. These may include implementing water recycling systems, optimizing energy efficiency, using cleaner production technologies, and properly managing and disposing of solid waste.

Step 5: Monitoring and compliance - To ensure the effectiveness of the mitigation measures, regular monitoring should be conducted to track environmental performance. Compliance with relevant regulations and standards should also be ensured.

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Answer:

Airplanes have wings, just like birds. They also have a light skeleton (or framework) to decrease their weight, and they have a streamlined shape to decrease drag. The big difference is that airplanes do not flap their wings.

Answer:

D

Explanation:

because it could be dangerous

Answer:

Efficient Irrigation Management. ... Renewable Energy. ... Organic Practices. ... Increasing Soil Health. ... Keeping Agriculture Green. ... Reducing Livestock Methane Emissions. ... Pasture-Based Livestock Management. ... Protecting Farmland.

Answer:

lowering

Explanation:

i believe

Plants and other living things employ a process called photosynthesis to transform light energy into chemical energy that can then be released through cellular respiration to power the organism's activities.

Small openings on plant leaves known as blank_______ allow carbon dioxide, one of the ingredients needed for photosynthesis, to enter the plant?

Since carbon dioxide and oxygen cannot flow through the cuticle, they must enter and exit through holes in the leaves known as stomata (stoma is Latin for "hole").

Any of the tiny pores or openings in the epidermis of leaves and young stems is referred to as a stomate, sometimes known as a stoma, the plural of which is stoma or stomas. On the underside of leaves, stomata tend to be more numerous.

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Answer:

I think it’s active transport

The laboratory setup would most likely be used to demonstrate the process of diffusion.

A Laboratory may be defined as a place where a variety of experiments may be performed depending on the work or projects it handles.

In this experiment, an artificial cell containing glucose and starch solution is dipped into the water containing a starch indicator.

The concentration of glucose or starch is found to be high in the artificial cell, hence, it removes the water or particles from the inside to the outside of the cell.

Diffusion may be defined as the movement of particles or matter from a region of high concentration to a region of low concentration.

Therefore, the laboratory setup would most likely be used to demonstrate the process of diffusion.

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