Which of the following is an advantage angiosperms and gymnosperms have over mosses?
1. they are seed producing so can populate more areas
2. they can photosynthesize
3. they can use oxygen
4. they do not need water

DNA

All genomes are made of DNA, which is made up of four closely similar substances called nucleic acids: adenine (A), guanine (G), cytosine (C), and thymine (T).

A sequence of DNA is a collection of these chemically linked nucleic acids, often known as "bases" or "base pairs," such as AGATTCAG, which may be "read out" linearly.

Scientists finally arrived at a 3 billion letter sequence of A, G, C, and Ts using experimental methods to determine the sequence of DNA with assistance from some sophisticated computers.

At the time, scientists believed they knew enough about the functioning of DNA to look for the functional components of the genome, or genes. A gene is a segment of DNA that contains the instructions needed to create a protein, which then serves a purpose for our cells.

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Answer:

parts of the world heat up differently

Explanation:

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Answer:

Man made global warming is caused by A.pollution.

Answer:

A

Explanation:

EDGE 2021

Activation energy is related to exothermic and endothermic reactions because in exothermic reaction activation energy is lower than in endothermic reactions.

Activation energy is defined as the energy that must be overcome for a chemical reaction to take place.

A chemical reaction can either be exothermic or endothermic reactions.

This activation energy is related to exothermic reaction because there is net energy release from the reaction while in the endothermic reaction there is net absorption to energy.

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The sequence of events that may occur within the endomembrane system in the correct order are as follows:

1) Rough ER synthesizes protein.

2) Protein packaged into transport vesicle.

3) Golgi apparatus modifies, sorts, and packages protein into secretory vesicle.

4) Secretory vesicle fuses with the plasma membrane,

releasing the protein outside of the cell.The endomembrane system is a network of membranes that regulates protein synthesis, transport, and export. The process of synthesizing and exporting proteins involves a number of organelles, including the rough endoplasmic reticulum, the Golgi apparatus, and secretory vesicles. The sequence of events that may occur within the endomembrane system in the correct order is very important, and if any step is missed or not done in order, the protein may not be exported from the cell properly.

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Answer: The leafs capture the suns energy.

Answer:

Sunlight is captured by chlorophyll.

The genetic engineering of human cells is achieved by isolating the patient's bone marrow cells, infecting them with genetically engineered viruses, and injecting them back into the patient's bone marrow.

The gene therapy is done to remove the defective gene and replace it with the normal gene, and this will be helpful as one person is treated for the genetic diseases, and generation after generation, it will pass from parents to offspring.

Hence, genetic engineering of human cells is achieved by isolating the patient's bone marrow cells, infecting them with genetically engineered viruses, and injecting them back into the patient's bone marrow.

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The question is incomplete; the complete question is below.

In the form of gene therapy used successfully for severe combined immunodeficiency syndrome, SCID-X1, how is the genetic engineering of human cells achieved?

A)by injecting engineered viruses into the patient's bloodstream

B)by injecting engineered viruses into the patient's bone marrow

C)by treating a relative's cultured bone marrow cells with genetically engineered viruses and then injecting these cells into the patient's bone marrow

D)by isolating the patient's bone marrow cells, infecting them with genetically engineered viruses, and injecting them back into the patient's bone marrow

No every part of an organism have the same chance of becoming fossilized . Hard parts of the body preserve because they have biologically deposited minerals.

Fossilization can be defined as the physical, chemical, and biological processes that lead to the preservation of plant and animal remains over time.

Fossils include the organisms remains, such as plant or animal tissues, shells, teeth or bones, they also include traces of life such as foot prints. Fossil are generally formed After an animal dies, their soft parts decompose leaving the hard parts, like the skeleton, behind. This becomes buried by small particles of rock called sediment.

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Zebra mussels are adaptive mollusks that can spend days on land without food.

The ideal answer is C.

This bivalve mollusk is only found in the Caspian and Black Sea lagoons and associated inflowing rivers. It can only withstand slightly salty fresh and brackish water for its daily needs.

Zebra mussels, like the ones in the photo above, can ruin boat motors, clog water filtration lines, and make beaches unusable. Zebra mussels are a tiny but significant nuisance. This crayfish and other objects can be swiftly encrusted by these mussels.

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During oxidative decarboxylation, which is a crucial step in cellular respiration, pyruvate is converted into acetyl-CoA. In this process, one molecule of pyruvate produces one molecule of NADH, not two. The correct option is B.

The conversion of pyruvate to acetyl-CoA involves the action of the pyruvate dehydrogenase complex, which includes multiple enzymes and coenzymes, but it does not produce two molecules of NADH per pyruvate.

The correct scenario is that two molecules of NADH are produced by the oxidative decarboxylation of two molecules of pyruvate.

This occurs during the transition from glycolysis to the citric acid cycle, where each pyruvate molecule is converted into one molecule of acetyl-CoA, generating one molecule of NADH in the process.

Therefore, the correct statement is (B) that two molecules of NADH are produced by two molecules of pyruvate.

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Answer: The option that is NOT true is:

C. Its primary fuel is fat.

Explanation:

Anaerobic metabolism does not primarily rely on fat as its fuel source.

The correct answer is Option (c)

Option (c) Its primary fuel is fat, which is NOT true of anaerobic metabolism.

Let's delve into the topic by breaking down the words anaerobic, which gives us an-aerobic.

Aerobic refers to anything, which involves the presence of air, or more specifically oxygen. Thus any aerobic activity would involve the presence and usage of oxygen for its necessary functions.

Anaerobic would thus mean any activity which doesn't require the presence of oxygen.

Anaerobic metabolism defines the process by which cells, without the presence of oxygen, produce energy for their work. When the supply of oxygen is limited, cells opt for this alternative pathway to produce energy to keep themselves running.

Here, the breakdown of glucose occurs even in limited oxygen to give us ATPs (Adenosine Triphosphate), the energy currency of the cell.

Coming back to the question, we go through the options one by one.

During high-intensity activities like sprinting or heavy exercise, your lungs don't work fast enough to provide the body with enough air. Thus the glucose gets decomposed without the presence of oxygen to give the body the energy it needs through anaerobic respiration.

Thus, option A is correct.

Anaerobic respiration or metabolism occurs in the fluid part of the cell known as the cytosol, due to the availability of a suitable environment for chemical reactions.

Thus option B is correct.

Anaerobic metabolism doesn't require oxygen, as discussed before.

Thus option D is correct.

But, the primary source of fuel for running anaerobic chemical reactions is not fat, but glucose which breaks down to give ATP.

Thus, option C is incorrect.

Thus, the answer to the question is option C.

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Answer:

Rolling motion is defined as movement of a drone about its longitudinal axis.The drone will move to the left if two of the right propellers spin quickly.

The drone will travel right if its two left propellers are spinning quickly.

What is drone?

An unmanned aircraft is a drone. Drones are more commonly referred to as unmanned aerial vehicles (UAVs) or unmanned aircraft systems. Essentially, a drone is a flying robot that may be remotely controlled or can fly autonomously utilizing flight plans that are managed by software, onboard sensors, and a global positioning system (GPS).

Rolling motion is defined as movement of a drone about its longitudinal axis. The drone will move to the left if two of the right propellers spin quickly. The drone will travel right if its two left propellers are spinning quickly.

The motion of the drone's head rotating around its vertical axis (to the left or right) is referred to as yawning. The drone will rotate counter clockwise if two right diagonal propellers are moving quickly. The drone will revolve counter clockwise if two of its propellers are running in a left diagonal at high speed.

Hence the answer is the drone will move to the left if two of the right propellers spin quickly. The drone will travel right if its two left propellers are spinning quickly.

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The two systems of the motor portion of the autonomic nervous system exert antagonistic control over one another.

The sympathetic and parasympathetic systems work together to maintain homeostasis in the body. The sympathetic system is responsible for the "fight or flight" response, while the parasympathetic system is responsible for the "rest and digest" response.

The two systems have opposite effects on various organs and systems in the body. For example, the sympathetic system increases heart rate and respiratory rate, while the parasympathetic system slows them down. Similarly, the sympathetic system causes the release of glucose from the liver, while the parasympathetic system promotes energy conservation and storage.

The balance between the two systems is crucial for the body to function properly. Imbalances can lead to various health conditions such as hypertension, digestive disorders, and respiratory disorders. Thus, understanding the interaction and interdependence of these two systems is important for maintaining optimal health.

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Following this analogy, homo sapiens would appear at 23:59:58:72.

13.5 billion years is equal to \(13.5 x 10^{9}\) years.

200,000 years is equal to \(2 x 10^{5}\) years.

We can do a proportion:

\(13.5x10^{9} : 24 h = 2x10^{5} : X\\ X=24 h * 2x10^{5}/13.5x10^{9} = 3.56 x 10^{-4}h\\\)

Because 1 hour has 3600 seconds, we can make the following proportion:

\(1 hour : 3600 s = 3.56x10^{-4}h : X\\X = 3.56x10^{-4}h * 3600 s / 1 h = 1.28 s\)

This means that, if 13.5 billion years lasted 24 hours, 200,000 years would last 1.28 seconds. This does seem like a very small number for an immense period of time like 200,000 years, but it does put into perspective all the time that has passed since the creation of the universe.
So, homo sapiens would emerge 1.28 seconds before midnight or at
23:59:58:72.

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Homeostasis keeps the organism in a dynamic equilibrium within the homeostatic range. A disruption in dynamic equilibrium is indicated by the temperature change between point C and D. Option C is correct.

Homeostasis is the organism's capacity to keep the body in constant internal equilibrium, even when the external environment is oscillating.

Homeostasis is critical to keep the correct internal functioning of the body.

Different functions -blood pressure, body temperature, respiratory rate, and blood glucose levels, among others- are kept in a restricted range around a reference point, even though external conditions may be changing.

When a sudden change occurs in the internal functioning that disturbs this equilibrium, the organism counters it back by negative or positive feedback.

In the exposed graph we can see,

The references point A, B, and C suggest that during the first 10 hours, approximately, the body was in equilibrium.

A change in the internal functioning broke the equilibrium, rising temperature to 38ºC, out of the homeostatic range.

The organism took the internal values to their original state, and at points E and F, the organism was in equilibrium again.

A disruption in dynamic equilibrium is indicated by the temperature change between point C and D.

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Answer: option 2

Explanation:.....

Answer: If the child had previously taken antibiotics for that type of bacteria.

Amphibians are the  animal taxa has the highest population of species threatened with extinction.

What is animal taxa?

Taxon, multiple Any metric unit used in the field of biological taxonomy is referred to as a taxon. From kingdom to subspecies, taxa are grouped in a hierarchy, with a particular taxon typically containing numerous taxa of lower rank.

What is the extinction of species?

Extinction is the complete extinction of a plant, animal, or other species. The passenger pigeon is one of the most spectacular examples of a modern extinction.

Causes of many species' extinctions include overfishing and hunting, the conversion of wetlands and forests into farmland and cities, pollution, invasive species introduction, and other human-caused changes to their natural habitats.

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The correct option that is capable of phosphorylating key proteins involved in regulating the cell cycle is Cyclin-CDK complex.What is Cyclin-CDK complex?Cyclin-CDK complex is a protein complex that is involved in cell division.

Cyclin-dependent kinases (CDKs) are a family of serine/threonine protein kinases that interact with regulatory subunits called cyclins.The complex is involved in phosphorylating key proteins involved in regulating the cell cycle. The phosphorylation process helps control the progression of the cell cycle through the various checkpoints.Cyclin-CDK complexes phosphorylate their substrates, altering protein function in the cell and inducing specific cell cycle transitions. CDK activity is tightly regulated by the abundance and availability of cyclins and by inhibitory phosphorylation by the kinase Wee1 and the phosphatase Cdc25.

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To find a way to lower mosquito populations in the wild and increase cases of malaria in the future the purpose of using CRISPR in the Anopheles gambiae mosquitoes experiment.

The malaria parasite, which is spread by infected mosquitoes, multiplies inside red blood cells after entering the human bloodstream. After a few days, these cells burst, infecting other red blood cells and resulting in symptoms such as a severe headache, nausea, vomiting, fever, and coma.

A plasmodium-genus single-celled parasite, which causes malaria. Most frequently, mosquito bites are the means of parasite transmission to people.

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Answer:

the answer to the first initial question is because phototropism is occurring

Explanation:

hope this helped a little bit :)

The DNA extracted from fossilized dinosaur bones buried for many million of years in arid climates is MOST likely to be found in a highly fragmented and degraded form.

When an organism dies and becomes fossilized, its DNA starts to degrade due to various factors such as environmental conditions, exposure to oxygen, water, and microbial activity. Over millions of years, the DNA becomes highly fragmented and damaged, making it difficult to obtain a complete and intact sequence. In arid climates, the degradation process might be slower compared to humid environments, but the DNA would still be fragmented and degraded.

In fossilized dinosaur bones from arid climates, the DNA is most likely to be found in a highly fragmented and degraded form, making it challenging to reconstruct the complete genetic information of the extinct species.

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Answer:  

Genes are composed of DNA arranged on chromosomes.

Some genes encode structural or regulatory RNAs. Other genes encode proteins.

Replication copies DNA; transcription uses DNA to make complementary RNAs; translation uses mRNAs to make proteins.

In eukaryotic cells, replication and transcription take place within the nucleus while translation takes place in the cytoplasm.

In prokaryotic cells, replication, transcription, and translation occur in the cytoplasm.

Key Terms

DNA: a biopolymer of deoxyribonucleic acids (a type of nucleic acid) that has four different chemical groups, called bases: adenine, guanine, cytosine, and thymine

messenger RNA: Messenger RNA (mRNA) is a molecule of RNA that encodes a chemical “blueprint” for a protein product.

protein: any of numerous large, complex naturally-produced molecules composed of one or more long chains of amino acids, in which the amino acid groups are held together by peptide bonds

Explanation:

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They are both built over time

Answer:

well i think they both are long and hard

Explanation:

Answer:

Mercury

Explanation:

The two categories of flowering plants are monocots and dicots. Monocot, Parallel veins, Vascular bundles scattered, Vascular bundles in a ring, Dicot, Branching veins.

The plants are classified based on their characteristics, such as the number of cotyledons, the pattern of veins, the arrangement of vascular bundles, and the number of flower petals. Monocots have one cotyledon while dicots have two cotyledons. Monocots typically have parallel veins, while dicots have branching veins. Monocots also have vascular bundles that are scattered, while dicots have vascular bundles in a ring. Finally, monocots have one cotyledon, while dicots have two cotyledons.

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The situation described, in which strong selection rapidly fixes a favorable allele within a population with limited opportunity for recombination, is known as a (b) selective sweep.

During a selective sweep, a beneficial allele undergoes positive selection and quickly becomes widespread in a population, reducing genetic variation in the surrounding region.

This occurs when the allele confers a significant advantage, such as increased fitness or adaptation to the environment, leading to its rapid increase in frequency and eventual fixation. Recombination, which shuffles genetic material during sexual reproduction, allows for the mixing and exchange of alleles.

However, in a selective sweep, the favorable allele spreads so rapidly that recombination has little opportunity to break up the genetic association with neighboring DNA sequences.

Therefore, the correct answer is (b) selective sweep.

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The accumulation of mutations in cancer cells can lead to various consequences, These consequences contribute to the progression and aggressiveness of cancer.

Change in appearance: Mutations can disrupt the normal growth and differentiation of cells, resulting in changes in their appearance. Cancer cells may exhibit abnormal shapes, sizes, and structures compared to their healthy counterparts.

Loss of specialization: Mutations can cause cancer cells to lose their specialized functions and characteristics. Normally, cells in the body have specific roles and functions, but in cancer, mutations can lead to a loss of specialization, making the cells less differentiated and more prone to uncontrolled growth.

Tumor growth: Accumulated mutations in cancer cells can promote uncontrolled cell division and proliferation. This leads to the formation and growth of tumors, which can invade nearby tissues and disrupt normal organ function.

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