What organelles are part of the endomembrane system.

The stimulus that results in the increase of ventilation to maintain blood pH homeostasis is lower blood pH caused by rising levels of CO2.

The respiratory system responds to changes in pH to keep blood pH within the normal range. When the pH drops below the normal range, a person breathes more quickly to exhale carbon dioxide and raise the pH.

When the pH rises above the normal range, a person breathes more slowly to retain carbon dioxide and lower the pH. Carbon dioxide is acidic and in our blood, it reacts with water to form bicarbonate and hydrogen ions.

This reaction determines the pH of our blood. If the concentration of CO2 increases in our blood, the reaction will be pushed toward the production of more hydrogen ions, and the blood will become more acidic. The opposite is true when the concentration of CO2 in our blood decreases.

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Lilies, tulips, crocuses, alstroemarias, and lupine are the greatest flower types to dissect. Daisies, dahlias, calla lilies, red flowers, and iris should be avoided because their floral configuration is difficult to discern.

Use blossoms from someone yard or look for free thrown away flowers at a local florist. To cut through to the flower, you'll need a sharp object or a sharp knife, as well as a diffraction grating to see the pollen and some other small bits of the flower.

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The first step in a signaling pathway that responds to a molecule remaining in the extracellular space is binding of the signal molecule to a receptor. The correct option is c.

In this process, the signal molecule, also known as a ligand, does not enter the cell. Instead, it interacts with a specific receptor protein embedded in the plasma membrane. This receptor is typically a transmembrane protein with extracellular, transmembrane, and intracellular domains.

Upon binding of the ligand to the extracellular domain, the receptor undergoes a conformational change, which subsequently initiates a series of intracellular signaling events. This process is known as signal transduction. Depending on the specific signaling pathway, various proteins within the cell may become activated through mechanisms such as phosphorylation or dephosphorylation.

The activated proteins then relay the signal through a series of biochemical reactions, ultimately leading to cellular responses, which may include changes in gene expression, cell division, or other cellular functions. This mechanism allows cells to sense and respond to external signals efficiently without directly internalizing the signaling molecule, and it plays a vital role in regulating many biological processes.

Hence, the correct option is c.

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Answer: Two items you might purchase in a grocery store that are sold in metric units are bread and boxes of cereal.

Explanation:

The measurements of Table Tennis are-

Length: 2.74 meters or 9 feet. Width: 1.525 meters or 5 feet

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The results of the Meselson-Stahl experiment start with E. coli containing 15n/15n are the first generation has hybrid 15N/14N DNA and the second generation has both hybrid 15N/14N DNA and 14N/14N DNA. No 15N/15N DNA was observed.

Thus, the correct option is A.

The Meselson-Stаhl experiment is а clаssic experiment in the field of moleculаr biology. This experiment provided evidence in fаvor of the Wаtson-Crick model of DNА replicаtion, which wаs then known аs the semiconservаtive model.

The Meselson-Stаhl experiment stаrted with E. coli contаining 15N/15N lаbeled DNА grown in 14N mediа. This is becаuse, in 15N/15N DNА, аll of the nitrogen-contаining bаses (аdenine, cytosine, guаnine, аnd thymine) аre lаbeled with nitrogen-15.

When the E. coli is grown in 14N mediа, the bаcteriа switch to mаking new DNА with 14N insteаd of 15N. Аfter one generаtion of replicаtion, the new DNА molecules аre hаlf 15N аnd hаlf 14N; аfter two generаtions, they аre mostly 14N. Therefore, а compаrison of DNА from different generаtions will provide informаtion on the mechаnism of replicаtion.

Your options aren't well arranged, but most probably your options were

A. The first generation has hybrid 15n/14n dna and the second generation has hybrid 15n/14n dna. No 15n/15n dna nor 14n/14n dna was observed.

B. The first generation has hybrid 15n/14n dna and the second generation has both hybrid 15n/14n dna and 14n/14n dna. No 15n/15n dna was observed.

C. Both the first and second generation have both 15n/15n dna and 14n/14n dna. No hybrid 15n/14n dna was observed.

Thus, the correct option is A.

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Answer:

As I remember the answer is B)

hope it helps!!

Answer:

the answer is C no

Explanation:

It is the ans

Answer:

c

Explanation:

endocrine glands hormones directly into bliidstream

A collection or mass of blood that forms between the skull and the dura mater is termed a(n) epidural hematoma.

An epidural hematoma occurs when there is bleeding between the inside of the skull and the dura or it can also occur when a vessel breaks and bleeds in this given space between the dura mater and the skull, it can be caused by head trauma.

This bleeding or mass can generate pressure in the brain, increasing intracranial pressure, which is rapidly increased, also generating a brain injury, thus compromising the brain. Being then urgent the drainage or extraction of the blood or mass.

Therefore, we can confirm that a collection or mass of blood that forms between the skull and the dura mater is termed a(n) epidural hematoma.

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The possible outcome for the kids in this scenario is that they will all have freckles. Let me explain why.

When it comes to freckles, the trait for having freckles is recessive, meaning that it is masked or hidden when the dominant trait (no freckles) is present. In this case, the mom is heterozygous, meaning she has one copy of the freckles gene and one copy of the no freckles gene. The dad, on the other hand, is homozygous recessive, meaning he has two copies of the freckles gene.

Since freckles is a recessive trait, in order for a child to have freckles, they must inherit two copies of the freckles gene - one from each parent. In this scenario, all of the possible outcomes for the kids will be that they inherit one copy of the freckles gene from the mom and one copy from the dad, resulting in them having freckles.

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Blue and green trash bags are used to dispose of general household trash and recyclable materials, respectively. These bags should be stored in a dry and cool area, away from direct sunlight and extreme heat or cold temperatures. This will help to prevent the bags from degrading or tearing due to environmental conditions.If the bags are stored in a damp or humid area, they may become moist and start to break down, making them less durable and more prone to tearing. Additionally, if the bags are exposed to sunlight or heat, they may also break down more quickly, leading to leaks or spills. It is important to store these bags properly to ensure that they maintain their integrity and can effectively contain the waste materials they are designed for. Proper storage can also help to prevent unpleasant odors or attract pests. In summary, to preserve their durability and avoid unwanted consequences, blue and green trash bags should be stored in a dry and cool location away from extreme environmental conditions.

eighth cell stage is a phase at which the process of differentiation begins, early cells take on distinct characteristics and move toward particular locations, foreshadowing the types of cells they will become.

Cell Isolation is the process by which cells specialize. Pluripotency is the capability to come any cell type and is seen in stem or ancestor cells at the launch of the isolation process. As the cell differentiates and gains specialized functions, this eventuality is gradationally lost. The isolation process drastically alters the cell's shape, size, and energy conditions. This isn't a direct or unrecoverable process. Isolation chooses a subset of inheritable information to be expressed at colorful stages of isolation. By reprogramming discerned cells to express a specific set of genes, discerned cells can be manipulated back to a more primitive or stem cell- suchlike state.

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Answer:

Explanation:

California Box Elder- Acer negundo californicum

Japanese Maple- Acer palmatum

Silk Tree- Albizia julibrissin

Strawberry tree-  Arbutus unedo

Bird of paradise shrub- Caesalpinia gilliesii

Harlequin Glorybower-  Clerodendrum trichotomum

Cypress- Cupressus spec.

Oregon Ash-  Fraxinus latifolia

Sweet Bay- Laurus nobilis 'Saratoga'

Explanation:

Humans currently are found to be unevenly distributed and the difference is increasing, using almost half of the Earth's land. Humans also use unevenly distributed resources; less than 20% use over 80% of the energy and over half of all renewable freshwater sources making option 2 the correct answer.

Why are humans currently doing these things?

In summary, the human population is increasing rapidly across the world resulting in using unevenly distributed resources, using over half of all renewable freshwater sources, and using almost half of the Earth's land.

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If the amount of fertilizer applied to plants is increased, then plant growth will increase.

Since out here the independent variable is the variable that's being controlled or changed on reason by the experimenter, It can moreover be thought of as the cause is the fertilizer and the dependent variable is which is the one dependent on the independent variable is the growth of the plant. Here the hypothesis for an observable phenomenon is a proposed explanation or a theory to be utilized in science, one must be able to test it within the frame of a test.  A logical examination is planned to test this hypothesis. Here the Hypothesis is that  If the amount of fertilizer applied to plants is increased, then plant growth  will increase.

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Answer:

to stop animals from eating plants

Explanation:

the thorns and spines help protect the plant for example if we touch the plant it hurts same goes with animals

Answer:

A. To stop animals from eating plants

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Answer:  fond memory

Explanation:

Maize or corn plants (Zea mays) have body cells each having 20 chromosomes in their nuclei. Meiosis is necessary in order to ensure that each gamete produced in the corn plant has 10 chromosomes.

Meiosis is a specialized type of cell division that reduces the chromosome number by half, resulting in the formation of haploid gametes. In the case of maize plants, the diploid somatic cells of the plant have 20 chromosomes in their nuclei.

During meiosis, these cells undergo two rounds of division, resulting in the formation of four haploid daughter cells, each with 10 chromosomes. These haploid cells can then be fertilized by gametes from another plant to form a diploid zygote with 20 chromosomes.

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The complete question is:

Fill in the blanks:

Maize or corn plants (Zea mays) have body cells each having 20 chromosomes in their nuclei. Meiosis is necessary in order to ensure that each gamete produced in the corn plant has ___________

A scientist has isolated a gene coding for the defensing protein found in spinach, which gives defense against microbial infections.

The steps that must be taken by the scientist to transfer the gene to orange trees to protect them from pathogens is the modified virus must be introduced to the orange trees' cells.

Pathogens may be defined as those microorganisms which are capable of causing diseases in other organisms. When a gene of defensing protein is introduced into the virus, it also becomes protected against microbial infection. This modified virus is then injected into the genome of the orange tree which in result leads to highly tolerable to microbial infections. Therefore, the steps that must be taken by the scientist to transfer the gene to orange trees to protect them from pathogens is the modified virus must be introduced to the orange trees' cells.

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In your opinion, what can we do to reduce our consumption and make the planet more sustainable.

> Being environmentally conscious is not all about plastic bags; it’s about making everyday choices that will — quite literally — determine our success or failure as a species. We can be more conscious about reducing pollution, protecting wildlife, conserving natural resources and take other actions that can help slow the rate of climate change.

> Everyone can make a difference, particularly when smart environmental choices become a habit and perhaps even begins influencing others into taking similar actions. Doing the right thing for the future of life on Earth can even have immediate personal benefits. It can tap into your creativity, can get you more engaged with your community and the world, and may contribute to a healthier lifestyle.

Lipid is any form of a diverse group of organic compounds that are insoluble in water.

Lipid includes fats, oils, hormones, and various other components of membranes which are grouped together because they do not interact with water. Lipid is any form of a diverse group of organic compounds. One type of lipid, the triglycerides which is considered as fat in adipose cells, and it serve as the energy-storage depot for organisms and also provide thermal insulation.

Functions of lipid are are as follows:

1)Storing and providing energy.

2)Chemical messengers.

3)Cholesterol formation.

4)Regulating body temperature.

5)Formation of Prostaglandin and its role in inflammation.

6)Membrane lipid layer formation.

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The correct option regarding sea anemones is (b) i.e. None of the other given options of answer is correct. The order Actiniaria contains several marine creatures, including sea anemones. They resemble anemones, a kind of terrestrial plant, in look and name.

There is no free-swimming medusa stage in sea anemones. Invertebrates of the order Actiniaria that are predatory in the sea include sea anemones. The eggs and sperm produced by the polyp itself are fertilised to create a planula larva. It immediately grows into polyps. They are capable of having both sexual and asexual offspring. They are unable to produce their own food or engage in photosynthesis. As a result, sea anemones and single-celled algae form facultative mutualistic partnerships. The oral disc and tentacles are home to the algae, which are exposed to sunlight and protected from other feeders. The algae provide the sea anemones with food and oxygen. The stinging cells also protect the algae, making it less likely that herbivores would eat them up.

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Answer:There are more species in the tropics because tropical ecosystems have more niches. However, the number of niches in an ecosystem is determined by the number of species in that ecosystem.

Explanation:

Answer:

Because tropical areas have more niches!

Explanation:

They have so much life in the trees, decomposing leaves, water... more niches means a more diverse area!

Answer:

That all the organisms (living things) are most probably from the same ancestor

The events that happen in meiosis that do not occur in mitosis are:
2. Cross-over occurs
4. Homologous chromosomes line up in pairs at the equatorial plate
5. Daughter cells form that are different from each other and the original cell, due to crossing over and independent assortment of chromosomes during meiosis I and II.

Meiosis is a type of cell division that occurs in sexually reproducing organisms, while mitosis is a type of cell division that occurs in both sexually and asexually reproducing organisms. There are several events that happen in meiosis that do not occur in mitosis, including:

Synapsis and Crossing Over: In meiosis, homologous chromosomes pair up and undergo a process called synapsis, where they physically align and exchange genetic material through a process called crossing over. This results in the formation of chiasmata, which are points of contact between non-sister chromatids that facilitate the exchange of genetic information. This process does not occur in mitosis, as there are no homologous chromosomes to pair up.

Reduction in Chromosome Number: Meiosis consists of two rounds of cell division, resulting in the production of four daughter cells, each with half the number of chromosomes as the parent cell. This reduction in chromosome number is achieved through two rounds of chromosome segregation, with the separation of homologous chromosomes occurring in the first division and the separation of sister chromatids occurring in the second division. In contrast, mitosis only involves one round of cell division, resulting in the production of two daughter cells, each with the same number of chromosomes as the parent cell.

Independent Assortment: During meiosis, the random alignment of homologous chromosomes at the metaphase plate and their subsequent separation during anaphase I leads to the independent assortment of chromosomes, resulting in the formation of genetically diverse daughter cells. This process does not occur in mitosis, as there are no homologous chromosomes to align and separate.

Overall, the events that occur during meiosis, including synapsis and crossing over, reduction in chromosome number, and independent assortment, lead to the production of genetically diverse daughter cells, which is essential for sexual reproduction and the maintenance of genetic variability within populations. These events do not occur during mitosis, which is important for the production of genetically identical daughter cells for growth, repair, and asexual reproduction.

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