Which statement correctly describes the flow of energy in photosynthesis?

Answer:

plankton including copepods, krill, fish eggs, Christmas Island red crab larvae and small nektonic life, such as small squid or fish.

Ocean currents have a direct effect on climate by an interaction of ' geosphere and atmosphere'.

What is the atmosphere?

The atmosphere is basically the layer of gases surrounding the Earth. It is composed of nitrogen (78%), oxygen (21%), and trace amounts of other gases, such as argon, carbon dioxide, and water vapor. The atmosphere protects us from the sun's harmful ultraviolet radiation, helps keep temperatures moderate, and creates the weather patterns that make life possible.

Ocean currents act as a bridge between the atmosphere and the geosphere, transferring heat, moisture, and momentum between the two. This helps to regulate the global climate by moving warm water from the equator to higher latitudes and vice versa. This in turn affects air masses, cloud formation, and precipitation patterns, which can have a great impact on the climate. For example, warm ocean currents can strengthen cyclones, while cold currents can help prevent them. In addition, ocean currents can influence the rate at which heat is absorbed and released into the atmosphere, which can lead to extreme weather events like heat waves and droughts.

Hence, Option C is correct.

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Answer:

A) Hydrosphere and atmosphere

Explanation:

Took the quick check :)

Answer:

Anything the body needs to function or perform certain functions to maintain i.e being the large and small intestines, the heart, the liver, and your kidneys

Explanation:

NOTICED A DEFINITION NEEDED FIXED ANSWER HOPE HELPED )

Genetic mutations and genetic recombination occur during the process of meiosis

Genetic variation refers to the changes that occurs in the genes of organism resulting in variation in physical traits between organisms.

Genetic variation occurs mainly due to;

Genetic mutations and genetic recombination occur during the process of meiosis.

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Answer:

Meiosis

Explanation:

I did the Quick Check

Answer:

The old growth forest with trees that are over 1,500 years old

Explanation:

I trusted the comment and it was right

Answer:

The plant cell converts the most food into energy because it contains chloroplasts, which are organelles that are responsible for photosynthesis. Photosynthesis is the process in which plants use light energy from the sun to convert carbon dioxide and water into glucose. This glucose is then used as an energy source for the cell. The other cells do not contain chloroplasts and therefore cannot conduct photosynthesis, so they are not able to convert as much food into energy.

Explanation:

Fan is electircal energy

Lamp's orignal energy source is electrical energy.

Answer:

Outcome variable (dependent variable)

Explanation:

In a scientific investigation, a DEPENDENT VARIABLE (also known as outcome variable) is the variable that is being measured. The dependent variable, as the name implies, responds to the changes made to the independent variable.

For example, in an experiment where the effects of different concentration of fertilizer is used to test plant growth (height), the HEIGHT OF THE PLANTS is the dependent variable because it is the variable being measured.

Answer:

second one

Explanation:

Answer:

2 exact copies of double stranded DNA are made

Explanation:

hope it helped!

Answer:

Elephants are mainly found in savanna biomes, grassland ecosystems, tropical rainforest biomes, desert biomes, tundra biomes, and temperate deciduous forest biomes.

Explanation:

Answer: 3 is C

4 is C

5 is A

6 is B

7 is B

8 is B

9 is D

10 is C

Explanation:

Answer:

The correct answer is - d) all choices are correct.

Explanation:

Cattles remember the behaviour of human how they have treated them in the experiment and they also become less fearful of their handlers due to their gentle treatment.

Cattles develop memory and have a bond with their handlers and remember them and recognize them very well. In this experiment, it is found that animals also create an emotional bond with the human treat them well and gentle.

Answer:

5-phosphoribosyl-1-pyrophosphate to accumulate, PRPP will accumulate due to the inactivation of the enzyme glutamine-PRPP amidotransferase

Formylglycinamide ribonucleotide (FGAR) will accumulate due to inactivation of the enzyme formylglycinamide ribonucleotide amino transferase.

Xanthylate (XMP) will accumulates because of the inactivation of the GMP synthetase reaction.

Uridine 5'triphosphate (UTP), a nucleotide biosynthetic product as well as an intermediatein the synthesis ofCytidine 5'triphosphate will accumulate due to the inactivation of cytidylate synthetase.

Explanation:

The biosynthesis of nucleotides occurs by means of two pathways: the de novo pathways and the salvage pathways.

The de novo pathways of the synthesis of nucleotides begins with their metabolic precursors which include amino acids, ribose-5-phosphate, carbon (iv) oxide and ammonia.

The salvage pathways reuse the free bases and nucleotides from the breakdown of nucleic acids.

Glutamine analogs that irreversibly inactivate enzymes that bind glutamine will cause accumulation of intermediates in the nucleotide biosynthetic pathways.

Glutamine is used as the amino group donor in the first committed step of de novo synthesis of purine nucleotides. In this step, 5-phosphoribosyl-1-pyrophosphate, (PRPP) is converted to 5-phosphoribosylamine using the amino group of glutamine by the enzyme glutamine-PRPP amidotransferase. Inactivation of this enzyme will cause 5-phosphoribosyl-1-pyrophosphate to accumulate.

In the fourth step of the de novo synthesis of purine nucleotides, inactivation of the enzyme formylglycinamide ribonucleotide amino transferase will cause formylglycinamide ribonucleotide (FGAR) to accumulate.

In the biosynthesis of guanylate from Inosinate, the intermediate xanthylate (XMP) will accumulate due to inactivation of the enzyme xanthylate-glutamine amidotransferase.

In the de novo synthesis of pyrimidine nucleotides, Uridine 5'triphosphate (UTP), a nucleotide biosynthetic oroduct as well as an intermediate of Cytidine 5'triphosphate will accumulate due to the inactivation of cytidylate synthetase.

Carbamoyl phosphate is synthesized by the enzyme carbamoyl phosphate synthetase II using glutamine and bicarbonate and two ATP molecules. However, the other substrates of this enzyme do not accumulate.

Answer:

Fair

Explanation:

I agree with your answer.

Answer:

Birds can keep themselves warn without any external heat source which is not the case with reptiles and amphibians

Explanation:

Birds are able to generate heat means they are endothermic. They generate heat through various metabolic processes.  They have air pockets beneath their feathers to insulate their bodies during cold temperatures. Feathers which are modified reptilian scales help birds to streamline their exterior body and structure feathers in a way that it insulates the body.

The component of a vaccine that makes it effective is the antigen.

What is a Vaccine?

A vaccine is basically a biological preparation that provides active acquired immunity to a particular disease. It contains an agent that resembles a disease-causing microorganism and is often made from weakened or killed forms of the microbe, its toxins or one of its surface proteins. Vaccines are designed to stimulate the body's own immune system to protect the person against subsequent infection or disease.

11) An antigen is a substance that causes the body to produce antibodies when it enters the body. These antibodies help the body recognize and fight the antigen if it enters the body again.

12) A vaccination is a way of introducing a weakened or killed version of a particular virus, bacteria, or toxin into the body. This weak or dead version of the virus, bacteria, or toxin stimulates the body's natural defense system to produce antibodies that are specific to that virus, bacteria, or toxin. These antibodies can then recognize and fight off the real virus, bacteria, or toxin if the body is ever exposed to it, thus preventing the individual from getting the disease. This is known as active immunity. The immunity created by the vaccination is typically long-lasting, and in many cases, lifelong.

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Aquatic plants and algae are the decomposers of an aquatic ecosystem.

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Answered by Benjemin

Bacteria and Fungi are decomposers of an aquatic ecosystem. So, the correct option is (B).

Decomposers are defined as organisms that break down dead or decaying organisms that undergo decomposition, a process possible only by certain kingdoms such as fungi.

Many decomposers are microscopic organisms, including protozoa and bacteria, while other decomposers are large enough to be seen without a microscope, including invertebrates as well as fungi, sometimes called detritivores, which include earthworms, Includes termites and millipedes.

In an aquatic ecosystem, producers are small plants like pistia which are consumed by primary consumers like aquatic insects, snails etc. where as primary consumers are consumed by secondary consumers like small fishes, frogs. The heron is a tertiary consumer that eats small fish and frogs. Bacteria and fungi are the decomposers in this ecosystem.

Thus, Bacteria and Fungi are decomposers of an aquatic ecosystem. So, the correct option is (B).

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mRNA sequences: UGG AGA AAU GUG UGC CUC CCA UGC GAU AAG AUG UGC CAA CGC GUA UUA GUA AUA CUA AUG UGC

Your cells learn how to produce duplicates of the spike protein from the mRNA in the vaccination. If you later come into contact with the actual virus, your body will be able to detect it and fight it off. The instructions are sent by the mRNA, which is then degraded and eliminated by your cells.

Many scientists believe that the large amounts of virus-blocking antibodies, known as neutralizing antibodies (nAbs), that the mRNA vaccines produce explain why they are so effective at preventing infection.

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Answer:

Natural selection or "survival of the fittest"

Explanation:

Creatures that adapt to survive changes will live to reproduce, while the creatures that do not adapt will die out.

Darwin states that evolution happens to natural selection, which is the concept that creatures tend to adapt to their environment.

Herbivorous plants are plants that obtain their nutrients by consuming animals or animal products, rather than by photosynthesis. These plants can be divided into three main categories: carnivorous plants, which capture and digest insects and other small animals; omnivorous plants, which obtain nutrients from both animal and plant material; and parasites, which obtain nutrients by attaching themselves to a host plant or animal and extracting nutrients from it. Some examples of herbivorous plants include Venus flytraps, pitcher plants, and the Western Australian Christmas tree

Answer:

A. Nearsightedness

Explanation:

Nearsightedness usually occurs when your eyeball is longer than normal or your cornea is curved too steeply. Instead of being focused precisely on your retina, light is focused in front of your retina, resulting in a blurry appearance

The correct answer is Option (B) - Root.

It is because roots are the organs of a plant that grows downward into the soil and their primary function is to provide nutrients and take in water through the soil for the faster growth and development of the plant body. Roots are the base of a plant and provide a strong base for the plant above to sustain.

Whereas, Petals, Stamen, and Anther constitute the body of a flower. Petals are the colored parts, and Stamen consists of both Filament and Anther.

Therefore, roots do not bear leaves and are not a part of the body of a flower.

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Answer: Enzymes in both Q and Y pathway are disrupted because you have to supplement the medium with those components for the organism to grow.

Explanation:

A microorganism is auxotrophic when it is only able to proliferate in a culture medium if some specific substance has been added to it, which the wild type (prototroph) does not require, because it can synthezise it. The underlying genetics of auxotrophy is the lack of a functional metabolic pathway that generates the substance on which the auxotroph depends. This lack is usually due to a mutation that generates a null allele lacking biological capacity. So, due to a deficiency in an enzyme required for the synthesis of a certain component, the organism requires that component in the culture medium in order to grow.

A metabolic pathway is a set of consecutive chemical reactions catalyzed by enzymes synthesized by the cell, in which the product of one is the substrate of another. In living organisms there are multiple metabolic pathways, responsible for synthesizing and metabolizing compounds (cellular components, regulatory molecules, compounds that serve to store energy), or degrading them to obtain energy. Thus, enzymes catalyze chemical reactions, this means they accelerate the rate of reaction.

A normal medium is one that possesses all the nutrients and compounds necessary for the proper functioning of a normal organism (prototroph). However, if the organism lacks, for example, an enzyme, it will not grow in a normal medium because it does not have the enzyme to make the components. If the organism does not grow in the normal environment, then it has some mutation that causes some enzyme not to be produced. Remember that enzymes are proteins, and all proteins are encoded by DNA, so if there is a mutation in the DNA, in the gene that encodes the enzyme, the enzyme will not be synthesized or will be synthesized but in such a way that it cannot function properly.

If the organisms only grow in medium supplemented with Q and in medium supplemented with Y, then this indicates that it has a defect in one or more enzymes in Q and Y pathway, because the organism cannot produce certain components and they need to be added in the environment. The problem does not provide enough information to know if for each pathway only one enzyme is affected or several, but it is enough to say that enzymes in both Q and Y pathway are disrupted because you have to supplement the medium with those components for the organism to grow.

Answer:

Explanation:

La piel

Answer:

The skin is often known as the largest organ of the human body. This applies to the exterior surface, as it covers the body, appearing to have the largest surface area of all the organs. Moreover, it applies to weight, as it weighs more than any single internal organ, accounting for about 15 percent of body weight.

Explanation:

Answer:

Cerebellum

Explanation:

Answer:

Hay tres clases principales de moléculas de lípidos de membrana: fosfolípidos, colesterol y glicolípidos. Las composiciones de lípidos de las monocapas internas y externas son diferentes, lo que refleja las diferentes funciones de las dos caras de una membrana celular.

Explanation:

Answer:

Unless you treat with a highly effective product such as Daconil® fungicide, black spot can move through your garden — and it won't stop at roses. Begin active treatments with Daconil® fungicide at the very first sign of disease to stop black spot and limit its damage.

Adaptations are changes that a species makes in order to better survive in its environment.

What do you mean by environment?

Environment is the natural world and all of the living creatures in it. It includes the air, land, water, plants, and animals. It also includes the physical, chemical, and biological processes that occur in and around these elements. Humans are also part of this environment and have an impact on it.

adaptation             helpful environment                harmful environment

thick fur             cold, arctic environment                hot environment

webbed feet            swimming in water                    running on land

sharp claws                  climbing trees                            open fields

long neck              reaching food in tall trees          small, enclosed spaces

long legs                savanna environment             deep water environment    

horns                  defense and protection in fights                tight spaces

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