Which of the following must take place before cell division can occur?
A.
the replication of a cell's genetic material
B.
the joining together of two unique cells
C.
the infection of a cell by a parasite
D.
the removal of a cell's organelles

Ocean Conservation Namibia assists so many seals every day by liberating these animals. Antoine and Naude split up to collect seal pups that both had plastic around their necks during one of their most recent rescues.

What is ocean conservation ?

The protection and preservation of ecosystems in oceans and seas by planned management is known as marine conservation, often known as ocean conservation, and it aims to stop the over-exploitation of these marine resources. Limiting human-caused damage to marine ecosystems, repairing damaged marine ecosystems, and preserving vulnerable species and ecosystems of the marine life are the main goals of marine conservation, which is informed by the study of marine plants and animals, their resources, and ecosystem functions. It is also motivated by response to the manifested negative effects seen in the environment, such as species loss, habitat degradation, and changes in ecosystem functions. Marine conservation is a relatively new field of study that emerged in response to biological problems like extinction and shifting marine environments.

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Bacteria, plants, and animals have all been used to create transgenic forms that are useful in medicine and agriculture, as mentioned in option a. So the correct answer is option a.

Transgenic organisms have been employed in the production of therapeutic proteins, such as insulin, human growth hormone, and clotting factors. Bacteria, specifically Escherichia coli, have been extensively modified to produce these proteins on a large scale. Genetically modified (GM) crops, which are often created by introducing genes into plants, have been developed to enhance traits such as resistance to pests, diseases, etc. So option a is correct option.

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complete question is below

bacteria, plants, and animals have all been used to create transgenic forms that are useful in

a.medicine and agriculture

b. only medicine

Answer:

B. A professor is studying fish

Answer:

Crop rotation is the practice of growing a series of different types of crops in the same area in a sequence of growing seasons.

Explanation:

It reduces reliance on set of nutrients.

Hope it helps.

Answer:

The development of scientific theories A scientific theory is a general explanation that applies to a wide range of situations and examples. As technology develops more data can be collected and new types of observations made. A hypothesis is a testable explanation of an observed event.

Explanation:

Answer:

All organisms use a source of energy for their metabolic activities. Some organisms capture energy from the sun and convert it into chemical energy in food (photosynthesis); others use chemical energy in molecules they take in as food (cellular respiration)Explanation:

poop

Answer:

Explanation:

Se utiliza para la vida cotidiana acominar comer mover los musculos

Reversible inhibition: forms an ionic bond with the enzyme, can be removed from the active site by dilution with the substrate.

Irreversible inhibition: forms covalent bond with the enzyme, permanently modifies the structure of the active site, can interfere with the production of vital cellular resources.

Enzymes are proteins that act as catalysts in biochemical reactions. They are biological molecules that speed up chemical reactions in living organisms. Enzymes allow cells to carry out complex tasks that would otherwise be impossible. Enzymes are specific to certain reactions, meaning that each enzyme will only work in one specific reaction. Enzymes are also highly efficient, allowing a reaction to happen quickly and with very little energy.

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The most likely reason for developing this type of transportation technology is the need for a more efficient and sustainable form of transportation.

Solar cars use an inexhaustible energy source, making them an ideal choice for commuters who want to reduce their environmental impact. Additionally, solar cars are more efficient than traditional combustion engine vehicles and require less maintenance, making them a cost-effective option for daily commuters.

Finally, solar cars are available in a variety of sizes and styles, making them suitable for a wide range of uses.

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Answer:

heatstroke

Explanation:

Answer:

Group 2

Explanation:

I did this 1 year ago hope this helps :)

Syngamy is when the male and female cell undergo a process of nuclear fusion where the chromosomes from each gamete fuse to form a large zygote cell. During this process, chromosomes from the father and those from the mother move towards each other as the nuclear envelopes of the two cells break down  and fuse into one single envelope. This is the process of Syngamy and is basically what is known as a sexual reproductive process.

Syngamy is the process of fusion of two haploid gametes (commonly, sperm and egg cells) to form a diploid zygote, which is the first cell of a new organism.

Triple fusion, on the other hand, is a process of fusion of three haploid nuclei present in the cells of the male gametophyte (known as pollen grain) with the haploid nucleus of the female gametophyte during fertilization in plants. Specifically, one sperm cell fuses with the egg cell to form a zygote, while the other two sperm cells fuse with the polar nuclei to form a triploid endosperm, which nourishes the developing embryo. This process is unique to flowering plants (angiosperms) and is essential for their reproduction and proper seed development.

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Answer:

Jack is using

CONSERVATION TILLAGE.

... water between the DAMS.

Explanation:

i got em right

Answer:

Chloroplasts

Explanation:

Chloroplasts are only in a plant cell because it allows plants to capture the energy of the sun. Animals do not need them because they don't produce energy. They get their energy by eating plants and or other animals

Answer: Conjugation

Explanation:An act of fertilization in which genetic information is transferred between cells is called conjugation

The complete eradication of fleas takes at least 3 months and calls for everyday cleaning and treating of the home, as well as using a satisfactory spot-on remedy product at monthly periods.

This depends on which product you operate. we've flea spot-on treatments for puppies and cats that may be applied monthly or pills that are ultimate for one month for cats and 1-three months for puppies. Worming capsules may be given each 3 months for grownup dogs and cats.

Treat all the pets in your home often (usually each month but a few merchandises vary so take a look at the insert or ask your vet) with a suitable flea treatment. often wash your puppy's bedding on a warm wash to remove any flea eggs that are probably lurking there.

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Answer:

a) Cats show incomplete dominance which means the kitten can be born with full length tails, short length tails and without tails.

b) The genotype of the parent will be heterozygous (Tt ) and the kittens will be:

Genotype | Fenotype

-TT | (long tail)

-Tt | (short tail)

-tt | (no tail).

The cap that is added to the RNA during processing is an important component in the protein synthesis process. During transcription, this cap, known as the 7-methylguanosine cap, is added to the 5' end of the RNA molecule.

The addition of this cap serves several important functions in the messenger RNA's life cycle messenger RNA (mRNA). To begin with, the cap is required for ribosomes to attach to the mRNA. The cap structure acts as a binding site for ribosomes, which are the cellular organelles in charge of reading mRNA and translating it into protein.

The ribosome recognises the cap structure and uses it as a marker to indicate where translation should begin. Second, the cap prevents the mRNA from being rapidly degraded. mRNAs are constantly attacked by enzymes known as ribonucleases (RNases), which are enzymes that degrade RNA. The cap structure protects mRNA from RNases by making it less accessible to enzymes.

Third, the cap helps to prevent the formation of complex three-dimensional structures in mRNA. The cap structure acts as a marker to indicate where translation should begin, preventing the mRNA from forming complex structures that would obstruct translation.

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Animals breathe in oxygen and exhale carbon dioxide during the respiration process. In contrast, plants use this carbon dioxide gas to make food and release oxygen into the atmosphere through the process of photosynthesis.

What is photosynthesis?

Green plants and certain other organisms convert light energy into chemical energy through a process called photosynthesis. Light energy is gathered and utilized during photosynthesis in green plants to change water, carbon dioxide, and minerals into oxygen- and energy-rich organic molecules.

What is aerobic cellular respiration?

Thus, we can conclude that animals and plants cooperate to exchange gases in the atmosphere.

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Answer:

hydroponic farming

Explanation:

Answer:

active transport

Explanation:

Solution: Osmosis, diffusion, and active transport are the three processes by which plants can absorb water and other minerals of the soil.

Answer:

The direction of sunlight

The amount of resources they had access to

Explanation:

the answer is 3

Explanation:

sunflower go the direction the sun is

Answer:

A. double helix.

Explanation:

This life cycle may have evolved to avoid competition and predation pressures in both aquatic and terrestrial environments.

Many amphibians have evolved complex life cycles that involve both aquatic and terrestrial stages. This allows them to avoid competition for resources and predators in either environment. The aquatic adult stage of some salamanders allows for efficient breeding and egg-laying in water, while the terrestrial juvenile stage allows for the exploitation of terrestrial resources and reduced competition for aquatic resources. The ability to inhabit both environments may have also allowed for range expansions into new habitats. Overall, this dual life cycle strategy may provide greater ecological flexibility and increase the likelihood of species survival in variable and changing environments.

The life cycle of salamanders with an entirely aquatic reproductive adult stage and an extended juvenile terrestrial stage is known as an "incomplete metamorphosis." This life cycle likely evolved in response to environmental factors and selective pressures. Salamanders that spend their juvenile stage on land may be able to avoid predators that are aquatic or have a competitive advantage over other organisms that require aquatic habitats. Additionally, a terrestrial juvenile stage may provide more diverse food sources and help ensure the survival of the species in case the aquatic habitats become unsuitable for reproduction. Incomplete metamorphosis may also be a transitional stage in the evolution of complete metamorphosis, which is seen in many other amphibians such as frogs and toads. Incomplete metamorphosis provides an opportunity for the salamanders to evolve and adapt to different habitats, giving them a better chance of survival in changing environments.

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Importance of water: Human body is composed of about 75% water.

1) Water allows our blood to flow through the blood vessels thus supplying the body with vital nutrients. Water also allows waste matter to be eliminated from the body through the excretory system.

2)Water is used for drinking, washing, cleaning, etc.

3) Water acts an important agent in soil formation.

4) Water provides habitat to many organisms on earth.

Answer:The fizzing of soda is a physical change that involves the release of gaseous carbon dioxide. During fizzing of a soda, you can see bubbles of carbon dioxide in the soda rise to the top. A bottle of soda doesn't fizz when it is closed because the pressure is higher, and keeps the carbon dioxide dissolved in the liquid.

Explanation:

Of these terms, the one which is a contributing mechanism in the natural selection is mutation, since this is an alteration of a specific fragment of DNA that can produce an organism to have in advantage or in disvantage with regard to other species.

During the Guides phase of HIV disease, the insusceptible framework turns out to be seriously compromised, prompting a pattern of progressively extreme side effects. This cycle happens because of the accompanying elements:

Declining CD4+ Lymphocytes: HIV explicitly targets and obliterates CD4+ White blood cells, which assume a pivotal part in planning a safe reaction. As the infection duplicates and contaminates more CD4+ Lymphocytes, their numbers decline, debilitating the insusceptible framework's capacity to actually ward off diseases and sicknesses.

Pioneering diseases: With a debilitated insusceptible framework, people with Helps become defenseless to deft contaminations. These are contaminations brought about by organic entities that normally don't cause extreme disease in individuals with sound safe frameworks. Deft contaminations can go from bacterial, viral, parasitic, and protozoal diseases. These diseases can be extreme, relentless, and testing to treat, adding to the deteriorating of side effects.

Industrious aggravation: Persistent safe actuation and irritation are signs of HIV contamination. The continuous insusceptible reaction and aggravation further harm the safe framework and imperative organs after some time. This tireless irritation can prompt the advancement of unexpected complexities, like cardiovascular illness, neurological issues, and certain malignant growths, which add to the movement of side effects.

HIV transformations and viral variety: HIV has a high change rate, prompting the improvement of viral variations that can dodge the safe framework and antiretroviral treatments. As the infection advances, it turns out to be harder to control and treat, adding to the deteriorating side effects and treatment challenges.

Generally speaking, the pattern of progressively extreme side effects during the Guides phase of HIV contamination is driven by the dynamic obliteration of the safe framework, powerlessness to shrewd contaminations, persevering aggravation, and viral changes that compromise the body's capacity to protect against contaminations and illnesses.

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The formation of a simple lipid bilayer membrane would not be sufficient for the origin of the cell because a cell requires more than just a physical barrier to separate itself from the environment. While a lipid bilayer can provide a basic barrier to separate the internal and external environments, it cannot perform essential functions required for cellular life.

For instance, in order for a cell to survive, it needs to have the ability to maintain a stable internal environment, a process known as homeostasis. A lipid bilayer alone cannot regulate the flow of molecules and ions across the membrane to maintain a stable internal environment. Therefore, the membrane would need to have specialized proteins that allow for the selective transport of molecules and ions in and out of the cell.

Additionally, a lipid bilayer alone cannot carry out metabolic reactions required for cellular functions. Enzymes and other proteins are required for cellular metabolism, which would need to be present within or attached to the membrane.

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