Which would best be described as abiotic?
water in a stream
fish in a stream
bacteria in the soil
O roots in the soil

The methyl red test is intended to detect organisms that are capable of performing mixed-acid fermentation. A positive result in the methyl red test will appear as a red color.

The methyl red (MR) test is a common biochemical test used in microbiology to identify bacteria capable of performing mixed-acid fermentation. This test helps to differentiate bacteria that produce large amounts of acid from glucose fermentation from those that produce less.

The test relies on the ability of mixed-acid fermenters to produce stable acidic end-products, which lower the pH of the medium. When methyl red is added to the medium, it changes color from yellow to red at a pH of 4.4 or lower. Thus, a positive result in the methyl red test is indicated by a red color.

To learn more about methyl follow the link:

https://brainly.com/question/13036206

#SPJ4

The complete question is:

Fill in the blanks:

The methyl red test is intended to detect organisms that are capable of ______________. A positive result in the methyl red test will appear _______________

Deoxygenated blood leaves the heart through the pulmonary artery and enters the lungs where it picks up oxygen. Oxygenated blood then returns to the heart through the pulmonary vein and enters the left atrium. From there, it flows into the left ventricle and is pumped out of the heart into the aorta. Blood then travels through arteries and arterioles to reach the capillaries where gas exchange occurs with surrounding tissues. The now deoxygenated blood then enters venules and veins and returns to the heart to repeat the cycle.

Answer - Humans have double circulation: one is systemic circulation and other is pulmonary circulation. In systemic circulation, oxygenated blood moves from heart to all parts of the body. In pulmonary circulation, deoxygenated blood  (Deoxygenated blood is blood with a reduced oxygen concentration as compared to blood departing the lungs. It is sometimes referred to as venous blood. The body's tissues absorb oxygen from the oxygenated blood and expel carbon dioxide as wastes from the body.)is pumped by heart to get oxygenated in lungs. All the deoxygenated blood from the body comes to the right atrium and it moves to the right ventricle from there and finally to the lungs carried by pulmonary trunk. From lungs, oxygenated blood enters left atrium to go to left ventricle to be carried by aorta to whole body. So, the correct answer is 'Right atrium→ right ventricle → left atrium → left ventricle'.

To learn more about carry deoxygenated blood -

brainly.com/question/28915450

#SPJ11

The part labelled K is called from the skeleton image, the femur. Option B

The skeleton, also known as the skeletal system or the bony framework, is the internal framework of the human body that provides support, structure, and protection. It is composed of bones, cartilage, ligaments, and tendons.

The human skeleton consists of approximately 206 bones that are classified into two main categories: axial skeleton and appendicular skeleton. The axial skeleton includes the skull, vertebral column, and ribcage, while the appendicular skeleton includes the bones of the limbs (arms and legs), shoulder girdle, and pelvic girdle.

Learn more about skeleton:https://brainly.com/question/24942777

#SPJ1

Answer:

EDM

Explanation:

I like the beats.

Answer:

73.5

Explanation:

Answer:

RuBP

Explanation:

if im wrong sorry

Codominance is the term used when two traits will be expressed equally and neither is dominant over the other.

In terms of genetics, codominance is a sort of inheritance in which two distinct expressions (alleles) of the same gene result in distinct features in a person. That is, both qualities emerge rather than one trait predominating over the other, as in a plant or animal with multiple pigment colors. partial dominance The term "incomplete dominance" refers to the phenotypic "blending" of two features, which implies that neither trait is truly dominant over the other.

Both hues are expressed concurrently, rather than one overpowering the other. Codominance. One common characteristic of people that you can't really see just by looking at them, but that many people are aware of, is their blood type. One A allele and one B allele are present in individuals with the blood type AB. Their blood type is AB because both alleles are expressed simultaneously.

Learn more about traits visit: brainly.com/question/26434916

#SPJ4

The similarity between the two versions is that both versions impart setting details through colorful description.

The setting of an event or place refers to the overall features or prevailing conditions of a place in which a particular event occurs.

In the two versions of the events occurring, colorful description is used to explain the situation on ground. For example, the first version talks of half-fascinated terror, renewed horror, and  a faint shriek which are all colorful words. The second version uses the descriptions; fantastic scene, enormous spot and daring souls.

Therefore, the similarity between the two versions is that both versions impart setting details through colorful description.

Learn more about setting of events at: https://brainly.com/question/5660357

#SPJ1

(D)-Stretch of muscles

Enjoy!

When organic pollutants, such as sewage, agricultural runoff, or industrial waste, enter a stream system, they introduce high levels of nutrients and organic matter.

The presence of these substances promotes the growth of microorganisms, such as bacteria and algae, which consume dissolved oxygen as they break down the organic matter.

As the population of these microorganisms increases, the demand for oxygen in the water also increases, leading to a drop in oxygen levels.

This phenomenon is known as biochemical oxygen demand (BOD). Low oxygen levels in the water can have negative effects on aquatic life, including fish and other organisms that rely on oxygen to survive. In severe cases, this can lead to hypoxic or anoxic conditions, causing a "dead zone" where most aquatic life cannot survive.

To summarize, oxygen levels drop when organic pollutants enter a stream system because the pollutants promote the growth of microorganisms that consume dissolved oxygen, leading to a higher biochemical oxygen demand and lower oxygen levels in the water. This can have detrimental effects on aquatic life and overall ecosystem health.

To know more about nutrients, refer here:

https://brainly.com/question/32255979#

#SPJ11

Answer:

the answer is cancer cells attach to organs

Answer:

c

Explanation:

Answer:

Trueeeee

Explanation:

trust :)

when powered coal is heated, it undergoes thermal decomposition to form carbon monoxide and hydrogen gas as products A and B respectively. These gases have various industrial applications and are important feedstocks for chemical synthesis.

The picture shows that powered coal is being heated. This is a form of thermal decomposition reaction in which coal breaks down into simpler molecules due to the application of heat. The products formed as A and B are carbon monoxide and hydrogen gas respectively.
Carbon monoxide (CO) is a colorless, odorless gas that is toxic when inhaled. It is formed when carbon-containing substances are burned with insufficient oxygen. Carbon monoxide is used as a reducing agent in metallurgy, as a fuel gas, and as a feedstock for chemical synthesis.
Hydrogen gas (H2) is a colorless, odorless gas that is highly flammable. It is used as a fuel and as a feedstock for the production of ammonia, methanol, and other chemicals. Hydrogen gas can also be used as a reducing agent in metallurgy.

For more such questions on thermal decomposition click on:

https://brainly.com/question/465533

#SPJ8

Answer:

you are going to have less diversity in specific areas. they will typically have kids with someone they met where they live, and a person will live where they were born. same how mexican people have the same skin color in Mexico.

Answer:  Northern Hemisphere

Explanation:  The March equinox heralds the arrival of spring in the Northern Hemisphere and autumn in the Southern Hemisphere . On this day, the sun rises due east and sets due west.

In the Southern Hemisphere the equinox occurs on September 22 or 23, when the Sun moves south across the celestial equator. According to the astronomical definition of the seasons, the vernal equinox also marks the beginning of spring, which lasts until the summer solstice (June 20 or 21) in the Northern Hemisphere

Hope this helps :)

Due to the fact that every organism in the domain Eukarya has eukaryotic cells, it stands out from the other two domains.

Whittaker proposed the categorization of the five kingdoms. Monera, Protista, Fungi, Plantae, and Animalia are the five kingdoms. Animalia is the name given to the heterotrophic kingdom of species that rely on other organisms for nourishment.

The most popular classification scheme is the Five Kingdom system, which divides the three main branches of multicellular eukaryotes into distinct Kingdoms and groups all prokaryotes (organisms without nuclear membranes) into a single Kingdom called Monera.

To know more about Eukaryotic visit:-

brainly.com/question/29119623

#SPJ4

The threshold is the minimum amount of a substance or stimulus required to produce a measurable response in infected individuals.

This concept is important in fields such as medicine and toxicology, as it helps determine the level of exposure or dosage needed to produce a certain effect.

The threshold can vary depending on factors such as age, health status, and genetic susceptibility. In infectious diseases, the threshold may be influenced by factors such as the virulence of the pathogen and the strength of the host immune response.

Understanding the threshold can help in the development of effective treatments and prevention strategies.

To know more about virulence visit:

https://brainly.com/question/30589067

#SPJ11

Recognition and binding the 3' AAUAAA sequence by specific proteins: The first step in pre-mRNA processing is the recognition and binding of specific proteins to the 3' AAUAAA sequence located at the end of the pre-mRNA.

2. Attachment of snRNP U1 to the 5' splice site: After the 3' end is recognized,the snRNP U1 attaches to the 5' splice site at the beginning of the intron. 3. Formation of a bond between the 5' splice site sequence and the A of the branch point: The U2 snRNP then binds to the branch point A residue, forming a lariat structure.

4. Binding of the U4, U5, and U6 complex to the spliceosome: The U4, U5, and U6 complex binds to the spliceosome, completing the formation of the spliceosome.

5. Addition of the 5' cap: The pre-mRNA is then modified by the addition of a 5' cap, which helps in the recognition of the mRNA by ribosomes during translation.

6. Binding of snRNP U2 to the branch point: The snRNP U2 binds to the branch point, which positions the U6 snRNA for catalytic activity.

7. Export to the cytoplasm: Once the pre-mRNA has undergone processing, it is transported out of the nucleus and into the cytoplasm for translation.

8. Cleavage at the poly(A) site: The pre-mRNA is cleaved at the poly(A) site, which is located downstream of the coding region.

9. Addition of the poly(A) tail: The pre-mRNA is then modified by the addition of a poly(A) tail at the 3' end, which helps in the stability and translation of the mRNA.

10. Release of the lariat structure and splicing of the exons: Finally, the lariat structure is released and the exons are spliced together, resulting in the mature mRNA that can be translated into a protein.

To know more about pre-mRNA visit:-

https://brainly.com/question/30583590

#SPJ11

A leaf from a deciduous forest that falls into a large stream and is consumed by insects would be a source of primary energy for the stream ecosystem

Most of the energy that enters an ecosystem comes from solar radiation. The producing organisms that carry out photosynthesis absorb solar energy and fix it in chemical energy. When consumers feed on producers, part of that energy goes to these organisms, which, by serving as food for other living beings, also pass on part of their energy to them. This, therefore, flows, in a unidirectional direction, passing from a lower level to a higher one.

With this information, we can conclude that a leaf from a deciduous forest that falls into a large stream and is consumed by insects would be a source of primary energy for the stream ecosystem

Learn more about ecosystem in brainly.com/question/13979184

#SPJ1

If a horse is overfed, the excess feed escapes into the large intestine or proximal colon.

The stomach of a horse is relatively small, and its main function is to grind and mix the feed with stomach acid and enzymes. The small intestine is responsible for the majority of nutrient absorption, but it can only absorb so much at a time. The excess feed that is not absorbed in the small intestine will then pass into the large intestine or proximal colon, where it will be fermented by microbes. The gallbladder is not involved in the process of digestion, it stores bile produced by the liver and releases it into the small intestine to help with the digestion of fats.

To learn more about the large intestine, refer:-

https://brainly.com/question/20395583

#SPJ4

The correct nitrogen base pair is d. cytosine → guanine.

In DNA, there are four nitrogenous bases: adenine (A), thymine (T), cytosine (C), and guanine (G). These bases pair up in a specific manner known as complementary base pairing. Adenine always pairs with thymine, and cytosine always pairs with guanine.

Option a. adenine → guanine is incorrect because adenine does not pair with guanine. Adenine pairs with thymine.

Option b. thymine → cytosine is incorrect because thymine does not pair with cytosine. Thymine pairs with adenine.

Option c. deoxyribose → phosphate is incorrect because these are not nitrogenous bases. Deoxyribose is a sugar molecule, and phosphate is a component of the DNA backbone.

Option d. cytosine → guanine is the correct answer because cytosine indeed pairs with guanine in DNA.

Therefore, the correct nitrogen base pair is d. cytosine → guanine.

For more such answers on nitrogen base

https://brainly.com/question/14120811

#SPJ8

Organisms live on or in the ocean bottom group of benthos.

The time period benthos refers to something related to or happening at the lowest of a frame of water. Plants and animals that live on or in soil are called benthos.

Benthos, a group of organisms that live on the seafloor. Benthic animals live on the sea floor or bottom objects. So-called infauna live in sediments on the sea floor.

Mussels, earthworms, oysters, crustaceans like shrimp, and mussels are all examples of benthic organisms.

Learn more about earthworms from:

https://brainly.com/question/28690031

#SPJ4

Answer:

Tetrapods are more complex than non-tetrapods.

Explanation:

Tetrapods are more evolved than non-tetrapods! Tetrapods are more closely related to each other than to non-tetrapods.

I hope this helped!! :)

Answer:

A-Carrier Protein

B-Outside of the cell

Z-Glucose

Y-oxygen

X-Water inside the cell

Explanation:

Hii!! (: The correct answers are:

Asymmetry- A body plan that lacks symmetry

Bilateral Symmetry- a body plan made of two equal halves that mirror each other

Radial Symmetry- a body plan that is organized around a central point

Vertebrate- an animal with a backbone

Invertebrate- an animal without a backbone

A bodily layout with no symmetry is called asymmetries. A body plan with bilateral symmetry has two equal halves that are mirror images of one another.

A body plan that is structured around a central point is known as radial symmetry. Vertebrate: a backboned animal. An animal without a backbone is an invertebrate.

In biology, symmetry is the ordered repetition of parts in an animal or plant. In more detail, symmetry refers to a correspondence of bodily components on opposing sides of a dividing line or spread around a central point or axis that match in size, shape, and relative location.

With the exception of radial symmetry, exterior form and interior anatomy are rarely related because the same sort of symmetry can exist in animals with quite distinct anatomical structures.

Therefore, A bodily layout with no symmetry is called asymmetries. A body plan with bilateral symmetry has two equal halves that are mirror images of one another.

To learn more about Bilateral symmetry, refer to the link:

https://brainly.com/question/15970176

#SPJ7

Answer:

A

Explanation:

Cells in the leaves of plants contain specialized structures called chloroplasts.

Answer:

Explanation:

これそのこのこれこれそのこのその

20。003