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Most exact matching problems arise when handeling nucleic acid sequences.

Certain tags can enter the nucleic acid database and identify the trapped gene.

The structure of nucleic acid junctions plays a central role in their biological function.

Answer:

During interphase (1), chromatin is in its least condensed state and appears loosely distributed throughout the nucleus. Chromatin condensation begins during prophase (2) and chromosomes become visible. Chromosomes remain condensed throughout the various stages of mitosis (2-5).

DNA is in form during interphase During interphase, the cell DNA isn't condensed and is loosely distributed.

A stain for heterochromatin (which shows the placement of chromosomes) indicates this large distribution of chromatin. The equal stain additionally indicates the organized, aligned shape of the chromosomes in the course of mitosis.

Nuclear DNA remains in a semi-condensed chromatin structure throughout the interphase. During the S phase, DNA replication results in the creation of identical pairs of DNA molecules, known as sister chromatids, which are tightly linked to the centromeric region.

During the S phase, the centrosome is duplicated.

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Weathering describes the breaking down or dissolving of rocks and minerals on the surface of the earth,water, ice, acids, salts, plants and animals.

Runoff means the portion of precipitation on land that ultimately reaches streams often with dissolved or suspended material.

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Answer:

C02

Explanation:

When coal is burnt or other fossil fuels, C02 is emitted.

Answer:

Coal combustion releases Carbon dioxide and nitrous oxide

Answer:

Arthropods make up almost 80% of all animals; they are jointed legged animals that belong to the Animalia kingdom that include centipedes, millipedes, insects, and spiders. The success of arthropods can mainly be attributed by the following characteristics;

Presence of Exoskeleton.

The presence of exoskeleton that hardens due to the presence of chitin offers a protective cover for arthropods with different environment against advance conditions and also it protects against dehydration.

Varied habitats.

Arthropods can be found in all types of habitats from the soil, water, and land. This feature is the key to their survival since they are widely distributed hence increasing chances of survival.

Bilateral Symmetry.

Arthropods exhibit bilateral symmetry whereby a different portion of their bodies are mirror images, this form is exhibited in higher animals such as humans and dogs, and it facilitates advanced body functioning.

Jointed Legs.

Arthropods exhibit segmented legs that are jointed to allow the development of hard exoskeleton for protection. The jointed legs are specialized for grasping, jumping and running.

Short generation time.

Arthropods exhibit short generation time, which allows for faster adaptation to the environment and survival.

Reproduction strategy.

Arthropods have exhibited a sexual form of reproduction that is more successful in the growth and survival of offspring.

Segmented body.

Arthropods have a segmented body that allows for specialization of body organs and tissues, and this has promoted their success by specializing body organs to different functions.

Answer:

The advantage of shedding broad leaves in the winter is to conserve the energy that needs to expand in order to provide heat to each part of the plant including leaves as in winters it becomes very dry and cold. If they do not shed their leaves they have to spend more energy to spend energy on leaves.

Needles like leaves have a thick cuticle layer that prevents from losing water in dry conditions or conditions with a limited amount of water in the soil. These leaves also help in photosynthesis by capturing more sunlight as they have a larger surface area. These adaptions can live in poor soil, rain and snowy conditions.

Answer:

D. They shrink to increase body temperature

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Answer: Primary succession

Explanation:

The formation of a new community on land that has never had organisms grow on it before is referred to as the primary succession.

Primary succession takes place when there is no ecosystem that has existed before. It should be noted that the primary ecosystem is a slow process due to the fact that it starts on bare rock. This then provides a habitat which can be colonized. An example of primary succession is when there is eruption of volcanoes.

Answer:

Antibiotic resistance is a consequence of evolution via natural selection. The antibiotic action is an environmental pressure; those bacteria which have a mutation allowing them to survive will live on to reproduce. They will then pass this trait to their offspring, which will be a fully resistant generation.

Answer:

.A. increasing osmosis

The energy transfer between the water and air if the system is at equilibrium does not carry any transfer of energy. So, the correct option is D.

Equilibrium may be defined as a condition in the course of a reversible chemical reaction in which no net change in the amounts of reactants and products occurs.

When the system is at equilibrium, the energy transfer between water and air surrounding the cup does not take place. It will only take place when there is a difference between the concentration of two solutions or objects.

Therefore, the energy transfer between the water and air if the system is at equilibrium does not carry any transfer of energy.

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1. Organ

2. Tissue

3. Organism

4. Cell

5. Organ System

I think A makes the most sense..

Answer:

A niche is a role a species plays in the ecosystem. In other words, a niche is how an organism “makes a living.” A niche will include the organism's role in the flow of energy through the ecosystem. An organism's niche also includes how the organism interacts with other organisms and its role in recycling nutrients.

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Complete question, Answer, and Explanation:

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Answer:

These are the possible phenotypes of the offspring

Answer:

3

Explanation:

mitosis helps in the reproduction of identical copies of cells thus helping in the repairing of damaged tissues or replacing worn out cells

Answer:

Reduction of fossil fuels.

Explanation:

A fossil fuel is a fuel formed by natural processes, such as anaerobic decomposition of buried dead organisms, containing organic molecules originating in ancient photosynthesis that release energy in combustion. Source: Wikipedia

Answer:

the answer would be a)

Explanation:

Answer:

Bacterial populations employ native defenses against antibiotics that are analogous to the activity of protonophores. These mechanisms disrupt membrane electrochemical gradients that enable bacterial populations to establish subpopulations of drug-tolerant persisters

Explanation:

When we cultured in bacteria by adding growth promoting factors for rapid growth, what happened in this time. At that time bacteria growth/size are increase or  both .

Answer:

Rock is formed from a combination of 2 or more minerals and minerals are composed of one or more elements.

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Answer:

D,E

Explanation:

Answer:

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The figure illustrates the anticline of the earth's crust.

The correct option is B.

A structural trap called an anticline is created when rock layers are folded into the shape of an arch. In an anticlinal trap, the rock layers were initially horizontally stacked until earth movement caused them to fold into such an arch-like structure known as an anticline.

Rock formations called anticlines are folded structures with upward convex shapes. This means either anticline resemble a lowercase "n" or an uppercase "A" (remembering the shape of an anticline is as simple as saying "A is for Anticline"). They originate from horizontal and rather flat rock layers.

The outermost layer of a terrestrial planet is referred to as its "crust." The older, heavier continental crust and the denser, younger oceanic crust make up the majority of the Earth's crust. Plate tectonics provides information about the dynamic geology of the Earth's crust.

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