In humans, telomerase activity is most likely to be found in which cells?.

For an enzyme that displays michaelis-menten kinetics will show no effect on km by doubling the concentration of substrate.

Michaelis-Menten kinetics is a model of enzyme kinetics that describes how the rate of an enzyme-catalyzed reaction depends on the concentration of an enzyme and its substrate.

There are three assumptions in Michaelis-Menten kinetics.

For practical reasons, Km is the substrate concentration that allows the enzyme to reach half its Vmax. An enzyme with a high Km has a low affinity for its substrate and requires a higher concentration of substrate to reach its Vmax.

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The important hormone adrenaline, which has been seen in shows like firefly and the big bar synthesized in our bodies by catecholamine biosynthesis pathway of chemical reaction.

Tyrosine, an amino acid, is the first building block of adrenaline and is transformed into dihydroxyphenylalanine (DOPA) by the tyrosine hydroxylase enzyme. The enzyme DOPA decarboxylase then continues to convert DOPA into dopamine.

Finally, a sequence of events involving the enzymes phenyl ethanolamine N-methyltransferase (PNMT) and N-methyltransferase (NMT) result in the conversion of norepinephrine into adrenaline (epinephrine).

Adrenaline is produced as a result of these processes, which entail the addition of a methyl group to norepinephrine. Enzymatic processes take place in a variety of tissues, including the sympathetic nerve terminals and the adrenal glands, to produce adrenaline.

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Naturally, water changes between states throughout the water cycle as it evaporates from the surface, forms clouds and then precipitates back to the Earth as rain, snow or hail.

Water is a unique substance that can exist in three states; solid, liquid and gas. The water cycle is a continuous process of changing between these states through natural processes such as evaporation, condensation and precipitation. Water evaporates from the surface, rises into the atmosphere and forms clouds.

These clouds may release the water back to the Earth as precipitation, which can flow into rivers, lakes or oceans. Some of the precipitation may also infiltrate the ground and become groundwater. The water cycle helps maintain the Earth's water balance, provides a vital resource for life on the planet and plays a crucial role in shaping the environment.

The answer is generally as no image is given.

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Saddle joints are unique in that they have both concave and convex surfaces that allow for a wide range of movement.

Saddle joints are unique in that they have both concave and convex surfaces that allow for a wide range of movement. These types of joints can be found in the hands and feet. One example of a saddle joint in the skeleton is the joint between the carpal bone in the wrist and the metacarpal bone in the thumb. This joint allows for movement in multiple planes, such as flexion and extension, abduction and adduction, and opposition. The concave surface of the carpal bone fits onto the convex surface of the metacarpal bone, creating a saddle-like shape that enables the thumb to move in a variety of directions. It is important to note that the structure and function of saddle joints are essential for activities such as grasping objects and performing fine motor skills.

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Tubeworms that create tubes out of sand, mucus, and bits of shells belong to which class Polychaeta.

The correct option is (D) Class Polychaeta

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Answer:

Plant and Animal Cellular Structure

Explanation:

Because both plants and animals are living things, they have cells. Cells are the smallest functional units of living organisms, and they make up every part of organism bodies.

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The function of carbohydrates in your body is ​carbohydrates give you energy, the food you consume is broken down into glucose.

Carbohydrates is defied as that contains biomolecule that contains carbon hydrogen and oxygen in a ratio of 2:1. Carbohydrates are mane source of energy of the body they work as fuel for the brain, kidneys central nervous system and heart muscle.

\(Cn(H2O)n\) is the basic formula for all carbohydrates . But this formula have limitation i.e it applies where same amount of carbon and water are use. Initially the terms carbohydrate was used to describe compounds that have really contains carbohydrates.  Because they had simple formula \(CH20.\)

In modern Era carbohydrates are classified on the basis of their structure not on their formulae. Such as aldehydes and ketones are now known as polyhydroxy.

Therefore, The function of carbohydrates in your body is ​carbohydrates give you energy, the food you consume is broken down into glucose.

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A. Hydrosphere

B. Biosphere

C. Biota

D. Geosphere

E. Atmosphere

The biosphere is made up of all habitats on Earth that support life.

The Earth itself can be referred to as Geosphere.

Biota refers to animal and plant life or flora and fauna.

Hydrosphere refers to water on and under the surface of Earth.

Atmosphere refers to gases encircling the Earth.

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Numerous examples of this human-induced contemporary evolution have been reported in a number of 'contexts', including hunting, harvesting, fishing, agriculture, medicine, climate change, pollution, eutrophication, urbanization, habitat fragmentation, biological invasions and emerging/disappearing diseases.

The old refrigerants used in air conditioners and refrigerators had environmental issues, primarily related to their harmful effects on the ozone layer and contribution to global warming. This prompted Midgley's work with new refrigerants to find alternatives that were more environmentally friendly.

The old refrigerants used in air conditioners and refrigerators, such as chlorofluorocarbons (CFCs) and hydrochlorofluorocarbons (HCFCs), had significant environmental drawbacks. CFCs were widely used as refrigerants due to their stability and non-flammability. However, it was later discovered that CFCs released into the atmosphere were depleting the ozone layer, which protects the Earth from harmful ultraviolet (UV) radiation. The depletion of the ozone layer led to concerns about increased UV radiation reaching the Earth's surface, posing risks to human health, ecosystems, and the environment.

Furthermore, both CFCs and HCFCs are potent greenhouse gases that contribute to global warming and climate change. The release of these refrigerants during leaks or improper disposal has contributed to the accumulation of greenhouse gases in the atmosphere, exacerbating the greenhouse effect and its associated environmental impacts. To address these environmental concerns, researchers, including Thomas Midgley, worked on developing new refrigerants that would have lower or no ozone depletion potential (ODP) and reduced global warming potential (GWP). This led to the development and adoption of alternative refrigerants, such as hydrofluorocarbons (HFCs) and other environmentally friendly options, which have lower impacts on the ozone layer and reduced greenhouse gas emissions.

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Answer:

option (C)

Explanation:

In both plants and animals, RNA contains:

Ribose sugar, phosphates, adenine, uracil, guanine, and cytosine.

Answer:

She puts the statement in quotation marks and includes the name of the source's author. At the end of her presentation, she includes a works cited slide to give credit to all the books, magazines, and websites she read while preparing her presentation.

Explanation:

These both show how she avoids plagiarism because she uses quotation marks to show that the sentence doesn't belong to her. She also cites at the end so that people who have the information she uses to get their credit.

Osteons are not found in all bone tissues. So, the correct option is B.

Osteon is defined as the main structural unit of compact cortical bone which consists of concentric bone layers called lamellae, which surround a long hollow passageway called Haversian canal.

Osteons are not present in the bones, these are found only in compact bone which are absent in spongy bone. Osteon means bone. The process of bone formation is called osteogenesis where bones and cartilage are part of specialized connective tissue.

Thus, Osteons are not found in all bone tissues. So, the correct option is B.

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Your question is incomplete, most probably the complete question is:

Which statement regarding osteons is FALSE?

Repeatability is the likelihood that a single person can obtain consistent results while repeating the experiment multiple times. Reproducibility is the probability that multiple researchers can reproduce the same results using the same methods and materials.

The major difference between the two is the fact that repeatability is the capacity of a person to replicate the same results on the same data set using the same procedures. Reproducibility, on the other hand, is the ability of multiple researchers to get similar outcomes using different data sets, equipment, or methods.

Repeatability example: When a scientist conducts an experiment several times and obtains comparable results each time, this is referred to as repeatability. For instance, if a chemist weighs a sample ten times and gets the same weight each time, they have achieved repeatability.

Reproducibility example: If a scientist conducts an experiment, writes a report, and submits it to a scientific journal, and another researcher follows the methods outlined in the original report and obtains the same results, the experiment is said to be reproducible. In other words, it is the ability of an experiment to produce the same results when repeated by a different person or team.

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The fewer distinctions there are, the more similarities there will be. The other species differ considerably, indicating that they are not really related to moths, hence option B is correct.

When there are only a few differences between two species, that species is said to be comparable, and in this case, it is clear that species B has just three distinctions.

In fact, flies, and moths are more closely related to beetles than to bees, according to genetic data from 185 genes that were sequenced in species from all of these groups.

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The given question is incomplete, so the most probable complete question is,

A scientist is trying to determine how closely related the moth species is to four other moth species. He examined the DNA of each species and compared it to the study subject. He then created this table:

An image of the table is attached below.

Which species is most closely related to the original moth species?

A: species a

B: species b

C: species c

D: species d

Schwann cells are glial cells within the peripheral nervous system that provide support to the axons.

Unmyelinated axons lack a myelin sheath, or the fatty layer that serves to insulate other axons and increases conduction velocity. Schwann cells form the myelin sheath on myelinated axons, but they still provide support for unmyelinated axons, though they cannot form sheaths around them.

Schwann cells produce trophic molecules that help maintain and repair the axons, and their processes wrap around the axons to provide physical support. They influence the electrical activity that occurs on the axon and regulate sodium ion channel opening.

Schwann cells also are involved in remyelination, which is necessary when an axon is damaged due to trauma or diseases such as multiple sclerosis.

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Extension of producer roots to absorb nutrients from cooling magma.

Antarctica, the southernmost continent and site of the South Pole, is a virtually uninhabited, ice-covered landmass. Most cruises to the continent visit the Antarctic Peninsula, which stretches toward South America.

It’s known for the Lemaire Channel and Paradise Harbor, striking, iceberg-flanked passageways, and Port Lockroy, a former British research station turned museum. The peninsula’s isolated terrain also shelters rich wildlife, including many penguins.

Due to harsh conditions, extreme weather and no permanent population on the continent there are no regular passenger flights to Antarctica. Most flights transport research personnel and supply the bases. The lack of infrastructure makes it difficult to recover a stranded aircraft in case of an emergency.

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1. gamete of this butterfly species would have a chromosomes number of 7 (Option A)

2. zygote would have a total chromosome number of 14 (Option D).

3. somatic cell of this butterfly species would also be 14 (Option C).

4. daughter cells after telophase II would have a total chromosome number of 7 (Option B).

In butterflies, the chromosome number of the newly-discovered species is n=7. The chromosome number in a gamete is half of the total chromosome number in somatic cells. Therefore, the gamete of this butterfly species would have a chromosome number of 7 (A).

When two gametes fuse during fertilization, they form a zygote. The zygote contains the full complement of chromosomes from both parents. Since the chromosome number in each gamete is 7, when they combine, the zygote would have a total chromosome number of 14 (D).

Somatic cells are the non-reproductive cells of an organism. They have the same chromosome number as the zygote, as they are derived from it through cell division. Therefore, the total chromosome number in a somatic cell of this butterfly species would also be 14 (C).

During meiosis, the number of chromosomes is halved. Telophase II is the final stage of meiosis, and at this point, the chromosome number has been reduced by half. Thus, the daughter cells after telophase II would have a total chromosome number of 7 (B).

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Answer:

son grand ma says correct

Explanation:

since according to question the second group is fatter

there fore grandma is correct

Hunger is the physical, biological drive to find and eat food, that is mostly

regulated by internal cues to eating.

The effects of hunger include the following

Hunger needs to satisfied by getting food to eat as this helps in the growth

and development of organisms. In severe cases, death may occur which is

why food is very important for our survival.

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A bar graph is best to use for showing the relationship between multiple sets of data because it convey relational information in a visual manner quickly.

A bar graph or chart displays categorical data using rectangular bars with heights or lengths proportional to the values they represent. Both vertical and horizontal plots of the bars are possible. Column charts are another name for vertical bar charts.

Comparisons between distinct categories are shown in a bar graph. The chart's two axes, one for measured value and the other for the specified categories under comparison, are shown. In certain bar graphs, clusters of multiple bars that represent the values of multiple measured variables are clustered together.

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Nuclear maturation encompasses nuclear envelope breakdown, meiotic spindle assembly, and chromosome segregation. Cytoplasmic maturation involves major changes in oocyte protein translation and cytoplasmic organelles and is poorly understood.

In the nematode Caenorhabditis elegans, sperm release the major sperm protein (MSP) hormone to promote oocyte growth and meiotic maturation.

Large translational regulatory ribonucleoprotein (RNP) complexes containing the RNA-binding proteins OMA-1, OMA-2, and LIN-41 regulate meiotic maturation downstream of MSP signaling.

To understand the control of translation during meiotic maturation, we purified LIN-41-containing RNPs and characterized their protein and RNA components. Protein constituents of LIN-41 RNPs include essential RNA-binding proteins, the GLD-2 cytoplasmic poly(A) polymerase, the CCR4-NOT deadenylase complex, and translation initiation factors.

RNA sequencing defined mRNAs associated with both LIN-41 and OMA-1, as well as sets of mRNAs associated with either LIN-41 or OMA-1. Genetic and genomic evidence suggests that GLD-2, which is a component of LIN-41 RNPs, stimulates the efficient translation of many LIN-41-associated transcripts.

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Answer:

Polymerase chain reaction (PCR) is used to make many copies of DNA .

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Answer:

Polymerase chain reaction (PCR) is used to make many copies of DNA .

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Answer:

I am pretty sure that the answer is (a) The way that a species creates offspring.

Explanation:

The term reproductive strategy is loosely used to refer to the way an animal mates and/or raises offspring.

Answer:

because the more alike species are The more they have to adapt to try and compete with one another So the more different a species is the less they have to compete

Answer:

the decrease in biodiversity may cause a significant reduction in the productivity of the ecosystem. The loss of biodiversity means genetic variations are lost and the overall genetic pool reduces.

Explanation:

Egde 2022

Answer:

Through radio telescopes :)

Explanation:

Answer:

through radio telescopes

The number of atoms for a given substance can be defined as the total number of atoms that are present in the given species.

To calculate the number of atoms in the given compound, we simply have to calculate the sum of all the atoms of the elements present in the compound.

The correct number of atoms are given below:

Silver Permanganate AgMnO₄                →  6

Aluminum Carbonate  Al₂(CO₃)₃             →  14

Dimethylmercury   C₂H₆Hg                     →  15

Cadmium Phosphate  Cd (PO₄)₂             → 11

Mercury (II) Tungstate  HgWO₄               → 6

Barysilate  MnPb₈(Si₂O₇)₃                        → 36

Nickel (1) Orthophosphate  Ni(PO₄)₂       → 11

Antimony (III) Phosphate SbPO₄             → 6

Sodium Bromate  NaBrO₃                       → 5

Monosodium Citrate  NaC₆H₇O₇             → 21

Lithium Bromide   LiBr                             → 2

Gallium (II) Oxide  Ga₂O₃                         → 5

Bromous Acid   HBrO₂                             → 4

Hence, the number of atoms are mentioned above.

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Weather is made up of six main components. These are temperature, atmospheric pressure, cloud formation, wind, humidity and rain. A small change to any of these conditions can create a different weather pattern. Every weather pattern has a knock-on effect, creating a ripple effect around the world.