What characteristics do the lamprey and tuna have in common

Answer:

cheetah golden eagle white throated needletail Swift

Answer:

14

Explanation:

A piece of ice cube is placed on the watch glass which cover a reaction system is to determine the progress of the reaction. The ice cube melts over the watch glass indicating the phase change of the reactant.

Phase change of a substance is the change in phase or state of it. For example solid to liquid called melting and solid to gas called sublimation similarly, liquid to gas called vaporization.

Solids or liquids when heated to their meting point or boiling point the solids melts and the liquids vaporize.

Therefore,   A piece of ice cube is placed on the watch glass which cover a reaction system is to determine the progress of the reaction. The ice cube melts over the watch glass indicating the phase change of the reactant.

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Answer:

C. Bacteria to Seaweed to Fish to Seal to Polar Bear

Explanation:

Every ecosystem consists of multiple organisms. These organisms feed on each other, forming a food chain. The energy within an ecosystem flows through the food chain.

Here, we're supposed to determine which food chain is the correct one. All organisms can be divided into producers and consumers. Producers are organisms that produce their own food, while consumers feed by consuming other organisms.

The only food chain that makes sense is shown in option C. I wouldn't say that bacteria belong to it as the seaweed is an example of a producer. It doesn't consume other organisms. But, fish feed on it, then seals eat the fish, and polar bears eat the seals. This is why we can safely say that option C is the correct one, despite bacteria being present there. Any other combination wouldn't work as, for example, bacteria (A) and seals (B) can't eat polar bears and the fish can't eat seals (D).

All factors listed (a, b, c, d) influence synovial joint stability except the number of bones in the joints.

The stability of synovial joints is influenced by various factors, including the structure and shape of the articulating bones, the strength and tension of joint ligaments, and the arrangement and tension of the surrounding muscles. However, the number of bones in the joint does not directly impact its stability.

The structure and shape of the articulating bones play a crucial role in determining joint stability. The congruence of the bone surfaces, the presence of bony prominences, and the depth of the joint socket all contribute to the stability of the joint.

Joint ligaments are connective tissues that provide support and stability to the joint. The strength and tension of these ligaments play a significant role in preventing excessive movement and maintaining joint stability.

The arrangement and tension of the muscles surrounding the joint also contribute to its stability. Muscles act as dynamic stabilizers, controlling joint movements and providing stability during different activities.

However, the number of bones in the joint itself does not directly influence joint stability. The stability primarily depends on the factors mentioned above, such as bone structure, ligament strength, and muscle arrangement.

In conclusion, factors such as the structure and shape of articulating bones, the strength and tension of joint ligaments, and the arrangement and tension of surrounding muscles influence synovial joint stability. The number of bones in the joint, on the other hand, does not directly affect joint stability.

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Answer:

true

Explanation:

One example of a trait that Mendel studied in hybrids is flower color in pea plants.

Gregor Mendel, known as the father of modern genetics, conducted extensive experiments with pea plants in the mid-19th century. He studied the inheritance patterns of various traits, including flower color, in these plants.

Pea plants have different variants for flower color, such as purple and white. Mendel discovered that certain traits are inherited in a predictable manner, and he used hybrids to study these patterns.

In the case of flower color, Mendel crossed pea plants with purple flowers (genotype PP) with pea plants with white flowers (genotype pp).

The resulting hybrids, known as the first filial generation (F1), all had purple flowers. However, when these F1 hybrids were self-fertilized or crossed with other F1 hybrids, Mendel observed a 3:1 ratio of purple to white flowers in the second filial generation (F2).

This indicated that the trait for flower color followed a specific pattern of inheritance, later known as Mendelian inheritance.

By studying traits like flower color in hybrids, Mendel was able to establish the fundamental principles of inheritance, providing the basis for modern genetics.

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when one human cell 46 DNA molecules divides by mitosis, the cell then splits in two by a process called cytokinesis, creating two clones of the original cell, each with 46 monovalent chromosomes.

What is Mitosis?

Mitosis is a type of cell division in which a cell (mother cell) divides to produce two new cells of her (daughter cells) that are genetically identical to itself. In the context of the cell cycle, mitosis is the part of the mitotic process in which the DNA in the cell's nucleus is divided into her two equal sets of chromosomes.

The purpose of mitosis is to form more diploid cells. It works by copying each chromosome and spreading the copies out on different sides of the cell.

Mitosis is required for growth, repair, and asexual reproduction. It plays an important role in the development of organisms. In unicellular organisms, mitosis is thought to be the process of asexual reproduction.

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When oxygen is released from the light reaction of photosynthesis, the water molecule is split. When oxygen is released from the light reaction of photosynthesis for energy, the water molecule is split.

What molecule splits during the photochemical process of photosynthesis. By converting light energy into chemical energy through a process called photosynthesis, plants and other living things can subsequently release that chemical energy to power their activities.

The chemical element with the letters O and the atomic number 8 is called oxygen. It belongs to the chalcogen group of the periodic table and is a highly reactive nonmetal that rapidly forms oxides with most elements as well as with other compounds.

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An amino acid is to a protein as a glucose molecule is to Glycogen. A

combination of two or more glucose molecules form the glycogen.

Glycogen is usually stored in the liver and muscles by animals when there is

surplus glucose . The glucose molecules fuse together in different branches

to form the glycogen.

Protein on the other hand is a combination of two or more amino acid

present in cells.

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Due to rapid cell division in pregnant women, they have an increased requirement for folate or folic acid.

A para-aminobenzoic acid (PABA) molecule with an amino-terminal connected to a pteridine and a carboxyl group connected to the -amino group of glutamic acid makes up folic acid, a water-soluble vitamin (Glu).

Tetrahydrofolate, also known as H4 folate or the active cofactor form of FA, is produced by the enzyme folic acid reductase by reducing the pteridine ring at positions 5, 6, 7, and 8.

Prokaryotic and eukaryotic cells' metabolisms both depend heavily on THFA.

The production of purines (see Chapter 15, step two of the pathway), dTMP, and other amino acids, such as methionine, depends on it for one-carbon units and other tiny molecular building blocks.

The complete question is:

Pregnant women have an increased requirement for_________because cell division takes place at a rapid pace during embryonic development. multiple choice questions.

(A). biotin

(B). folate

(C). vitamin

(D). c thiamin

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Answer:

c. Cardiac muscle contains bands like skeletal muscle, but its contractions are involuntary like smooth muscle.

Explanation:

In Human anatomy, cardiac cycle can be defined as a complete heartbeat of the human heart which comprises of sequential alternating contraction and relaxation of the atria and ventricles, therefore causing blood to flow unidirectionally (one direction) throughout the human body.

Cardiac muscle is also referred to as myocardium and it's one of the three (3) muscles found only in the heart of vertebrates, the other two (2) being smooth muscle tissue and skeletal muscle tissue.

Cardiac muscle contains bands like skeletal muscle referred to as sarcomeres (contractile units), but its contractions are involuntary like smooth muscle and it's typically being regulated by the sinoatrial node of the heart.

A tipping point is the point of no return, when the damage to an ecosystem has been so great that it can no longer recover through natural processes, such as secondary succession.

The tipping point is typically reached when the resilience of the ecosystem has been severely weakened, meaning that the system is unable to respond and recover to disturbances and disturbances can no longer be easily reversed. This can be due to a number of factors, such as climate change, pollution, overuse of resources, deforestation, and so on.

When the tipping point is reached, the ecosystem may never recover in its original state and may be permanently damaged or even destroyed.

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Answer:

Recombinant DNA is technology scientists developed that made it possible to insert a human gene into the genetic material of a common bacterium. This “recombinant” micro-organism could now produce the protein encoded by the human gene. Scientists build the human insulin gene in the laboratory. Then they remove a loop of bacterial DNA known as a plasmid and insert the human insulin gene into the plasmid. Researchers return the plasmid to the bacteria and put the “recombinant” bacteria in large fermentation tanks. There, the recombinant bacteria use the gene to begin producing human insulin. Scientists harvest the insulin from the bacteria and purify the substance for use as a medicine for people.

Explanation:

Answer:

X-linked dominant disorders are caused by mutations in genes on the X chromosome, one of the two sex chromosomes in each cell.

The type of model to use in testing a robot prototype for heavy duty robot are is the Articulated  model.

Articulated  model is seen as a kind of a robot design features that is known to be made up of  rotary joints and can be seen to have about a simple two joint structures to a lot more such as 10 or a lot of joints which can be able to life a lot of things that are heavy.

Note that its arm is linked to the base that possess a twisting joint. The links in the arm are linked by rotary joints. Note also that all the joint is said to be known as the axis and gives another degree of freedom, or a scope of motion.

Therefore, The type of model to use in testing a robot prototype for heavy duty robot are is the Articulated  model.

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Answer:

Highly Elliptical

Explanation:

This means that their orbits are unnatural and are not perfect circles.

The jet-like reactions of the comet push it away from a natural orbit. They pass by very close to the sun, and then move incredibly far away. This is also due to the Oort cloud, where comets fall apart and reform again.

John Steinbeck in a book Of Mice and Men gives the best example of friendship. because, Of Mice and Men is set in California in the world of migrant workers. Friendship is a central theme in Of Mice and Men.

John Steinbeck wrote the novella Of Mice and Men. It was written in 1937 and tells the story of two displaced migrant workers named George Milton and Lennie Small, who roam around California in quest of new employment prospects during the Great Depression. He met the people and visited the places that would eventually serve as the inspiration for his best works, including Of Mice and Men, during this time of itinerant farm work. In truth, Steinbeck asserted that Lennie's tale was migrant workers inspired by a true event in which he saw a murder take place while he was at work on a ranch.

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the answer is c

hope that this helps

Answer:

the U.S. Fish and Wildlife Service

Explanation:

it assists with efforts to recover endangered species, conserve migratory birds, preserve wildlife habitat, safeguard fisheries, combat invasive species and promote international wildlife conservation.

Answer:

It became negative

Explanation:

Theories of motivation that are based on biological drives have trouble explaining why people engage in behaviors that do not satisfy biological needs.

Concept is normally depicted as a pyramid to that human motivation rests on a basis of basic biological needs that need to be satisfied for survival earlier than better-degree wishes may be addresses.

Power reduction procedures to motivation: when a few simple organic requirement is lacking, a drive is produced. Force idea specializes in organic wishes that produce unpleasant states of arousal. we're motivated to lessen the tension caused by this arousal. tension reduction has been proposed as a basic mechanism governing human behavior

The drive theory is primarily based at the concept of homeostasis, or the concept that the body actively works to maintain a certain state of balance or equilibrium. This idea is beneficial in explaining behaviors that have a sturdy organic or physiological component, along with hunger or thirst

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the ocean is the reservoir that changes the most and the quickest

The reservoir of the carbon cycle that changes the most and the fastest is the atmosphere, as the atmospheric carbon pool changes due to the constant release of carbon dioxide through household sources and cellular respiration.

The carbon pool maintains the carbon ratios in the earth, as the atmosphere is the reservoir of the carbon cycle that changes the most and quickest due to burning fossil fuels, usage of household electric appliances, usage of more vehicles that release carbon dioxide, deforestation, etc. If the carbon pool is not maintained and becomes uncontrolled, the environment will be harmed due to global warming, etc.

Hence, the reservoir of the carbon cycle that changes the most and the fastest is the atmosphere, as the atmospheric carbon pool changes due to the constant release of carbon dioxide through household sources and cellular respiration.

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Answer:

A. Geology, B. Weather, D. Technology

Explanation:

Answer:

Tomatoes have a rich flavor, high water content, soft flesh which breaks down easily, and the right composition to thicken into a sauce when they are cooked (without the need of thickeners such as roux). All of these qualities make them ideal for simple and appealing sauces

Explanation:

please mark me as brainalist

Answer:

D. The physical appearance

Explanation:

Genotype is the genetic makeup and alleles while phenotype is the physical appearance.

Answer:

The sporophyte phase of the plant life cycle is characterized by:

being diploid

producing spores

being multicellular

The characteristics that describe the sporophyte phase of the plant life cycle include being diploid producing spores  and being multicellular.

Diploid: The sporophyte phase of the plant life cycle is diploid, meaning it has two sets of chromosomes. This is in contrast to the gametophyte phase, which is haploid, meaning it has only one set of chromosomes.

Produces spores: The sporophyte phase produces spores through a process called sporogenesis. These spores are typically haploid and serve as the reproductive cells that can develop into new gametophytes.

Multicellular: The sporophyte phase is typically multicellular, meaning it is made up of many cells organized into tissues and organs. This is in contrast to the gametophyte phase, which is usually small and unicellular or multicellular but relatively simple in structure.

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If the trees in a woodlot are associated with EMF (ectomycorrhizal fungi), excess nitrate in the soil can have negative effects on both the fungi and the trees.

EMF are a type of fungi that form a mutualistic association with the roots of trees. They help the trees to absorb water and nutrients from the soil, and in turn, the fungi receive carbon compounds from the trees. Nitrate is a form of nitrogen that plants and fungi can use for growth. However, when nitrate levels in the soil are too high, it can disrupt the balance of nutrients and affect the EMF and trees in several ways.

Excess nitrate can reduce the availability of other essential nutrients, such as phosphorus, which can limit the growth of the EMF and trees. It can also disrupt the carbon-nitrogen balance between the trees and EMF, which can lead to a decline in the health of both. Additionally, high nitrate levels can lead to the production of harmful reactive nitrogen species, which can cause damage to the EMF and trees.

Overall, excess nitrate in the soil can have negative impacts on the symbiotic relationship between EMF and trees, which can ultimately affect the health and productivity of the woodlot ecosystem.

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