Why do so many substances dissolve in water?
O It can completely surround individual molecules.
O It's a polar substance with positive and negative charges.
O It contains enzymes that break down other substances.
O Water molecules readily bond to other substances.

Answer:

Because most cells, including erythrocytes, are exposed to glucose concentrations outside the cell that are greater than those within, facilitated diffusion leads in net glucose inward movement.

Answer:

The answer is B; Gasses

Answer:

3) Automine

Explanation:

Adenine, thymine, cytosine and guanine are the four nucleotides found in DNA.

So automine watev that is correct

A stratified squamous epithelium composes the epidermis.

The outermost of the three layers that make up the skin is the epidermis; the interior layers are the dermis and hypodermis. Plants have epidermis, which is a single layer of cells that covers their leaves, flowers, roots, and stems. Squamous epithelium is stratified and makes up the epidermis. A single base layer containing stem cells, two to three layers of proliferating basaloid cells in the suprabasal region, and bigger keratinized cells toward the surface make up stratified squamous epithelium. The esophageal squamous epithelium lacks a stratum corneum because it is non keratinizing.

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Answer:

Explanation:

The structural formula of a chemical compound is a graphic representation of the molecular structure (determined by structural chemistry methods), showing how the atoms are possibly arranged in the real three-dimensional space.

The correct order of events in a typical stretch reflex is The stretch reflex is a type of involuntary reflex that is triggered by a sudden stretching of a muscle. This reflex is important for maintaining posture, balance, and coordinated movements. The stretch reflex involves several steps that occur in a specific sequence.

The first step in the stretch reflex is muscle stretch. When a muscle is stretched suddenly, it activates specialized sensory receptors called muscle spindles, which are located within the muscle fibers. Muscle spindles are responsible for detecting changes in muscle length and rate of change in length. The activation of muscle spindles leads to the second step in the stretch reflex, which is the activation of sensory neurons. The sensory neurons transmit afferent impulses from the muscle spindles to the spinal cord.

In the third step of the stretch reflex, the afferent impulses reach interneurons in the spinal cord. These interneurons send inhibitory impulses to antagonistic motor neurons, which are responsible for activating muscles that oppose the stretched muscle. At the same time, the interneurons excite extrafusal fibers of the stretched muscle, which are responsible for generating force. In the final step of the stretch reflex, efferent impulses are sent from the spinal cord to the muscles. The efferent impulses cause the stretched muscle to contract, which helps to resist the stretching force. At the same time, efferent impulses to the antagonistic muscles are reduced, which helps to prevent opposing muscle contraction that would oppose the stretch reflex.
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We can see here that identifying the stage in the cycle the hormone levels are at their highest and most active, we have:
Box 1: Luteinizing hormone levels high.

Box 2: Progesterone levels high

Box 3: Estrogen levels consistently rise.

A hormone is a chemical substance produced by the endocrine glands in the body.

Luteinizing hormone (LH) levels rise sharply in the middle of the menstrual cycle, which is called the ovulatory phase. This surge of LH triggers ovulation, the release of the mature oocyte from the ovary.

Progesterone levels rise after ovulation and peak in the luteal phase. Progesterone prepares the uterus for pregnancy by thickening the lining of the uterus. If pregnancy does not occur, progesterone levels drop and the menstrual cycle begins again.

Estrogen levels rise throughout the follicular phase, which is the first half of the menstrual cycle. Estrogen levels peak just before ovulation.

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Answer: Light microscopy uses lenses to focus light on a specimen to produce an image. Commonly used light microscopes include brightfield, darkfield, phase-contrast, differential interference contrast, fluorescence, confocal, and two-photon microscopes.

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Explanation:

Answer:

Other scientists would need to confirm the results by performing the same experiment.

Explanation:

According to this question, an experiment was conducted by an associate professor, using 20kids, to discover why children are better at problem-solving after exercise. He arrived at a result that Children who exercised showed a 5% increase in the P3 waves, which occur during decision- making.

However, in order for this findings by Charles Hillman to be generally accepted and recognized in the scientific community, which is a connection of several scientists, the results need to be confirmed by performing the same tests or experiment.

Note that, an experiment becomes a scientific theory if it has undergone series of repeatable tests. One of the key features of scientific experiment is that it must be repeatable.

Students in grades 1-8 will often purchase a monocular compound microscope with three objective lenses: 4x, 10x, and 40x for a total magnification of 400x.

A high-power objective lens paired with a 10x eyepiece yields a total magnification of 400x, providing you with a remarkably detailed image of the specimen in the slide.

A microscope typically has three or four objective lenses. They usually invariably include powers of 4x, 10x, 40x, and 100x. When used in conjunction with a 10x (common) eyepiece lens, the overall magnification is 40x (4x times 10x), 100x, 400x, and 1000x.

Because 40 x 10 = 400, the total magnification of this microscope using the 40x lens would be 400 times.

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Answer:

It’s 3

Explanation:

Sorry for being so late mate

Answer: 3

Explanation: i took the test

1.Yes, the cell will elongate during mitosis

2.Yes, the sister chromatids will separate from each other during mitosis.

3.Yes, the chromosomes will move to the poles of the cell during mitosis.

1. Yes, the cell will elongate during mitosis. This process occurs during the anaphase stage. In this stage, the cell lengthens as the mitotic spindle fibers pull the sister chromatids apart and move them toward the poles of the cell.

2. Yes, the sister chromatids will separate from each other during mitosis. This separation occurs during the anaphase stage of mitosis. The cohesion proteins holding the sister chromatids together are degraded, allowing the chromatids to separate and move to opposite poles of the cell.

3. Yes, the chromosomes will move to the poles of the cell during mitosis. After the sister chromatids separate during anaphase, they are pulled to opposite poles of the cell by the mitotic spindle fibers. This ensures that each new daughter cell will have the correct number of chromosomes.

To summarize, during mitosis, the cell will elongate, sister chromatids will separate, and chromosomes will move to the poles of the cell. This process is essential for proper cell division and ensures that each new daughter cell receives the correct genetic information.

The mitotic spindle fibers play a crucial role in this process by pulling the sister chromatids apart and moving them toward the poles of the cell during anaphase.

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Answer:

a. inheritance of natural variations

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Answer:

b. inheritance of acquired characteristics

Explanation:

the flies were able to keep growing normal wings even though each generation before had their wings clipped. the wings being clipped was an acquired characteristic, but since it didn't affect future generations, it disproved the idea that evolution can be affected by acquired characteristics.

Answer:

Errors during Replication. DNA replication is a highly accurate process, but mistakes can occasionally occur as when a DNA polymerase inserts a wrong base. Uncorrected mistakes may sometimes lead to serious consequences, such as cancer. Mutations: In this interactive, you can “edit” a DNA strand and cause a mutation.

Answer: here

Explanation: If the plankton population decreases, there will be less food available for the shrimp. 2. As a result, the shrimp population may also decrease due to lack of food.

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Answer:

They affect chemical reactions by lowering the activation energy, thus speeding up the reactions.

Explanation:

The catalase reaction is independent on the substrate concentration. If you have an excess of enzyme but not substrate, the reaction will be limited by the substrate availability

Answer:

c. the transfer of pollen from a stamen to a pistil

Explanation:

a. the development of a new embryo

b. the development of a pollen grain

c. the transfer of pollen from a stamen to a pistil

d. the transfer of pollen from a pistil to a stamen

Pollination is the act of transferring pollen grains from the male anther of a flower to the female stigma. The process of pollination begins when the pollen grains from the respective flowers lands on the stigma and form a pollen tube.

In general terms, pollination is the process of reproduction in plants. It is the transfer of pollen to an ovule that enables fertilization and the production of seeds, and this process requires at least one pollination agent. In this article, we will discuss what are the most important agents for Pollan grains transfer.

Answer:

all of them except

"Many of the girls plays on the sidewalk."

Explanation:

Subject here "girls" is plural which mean if a subject is plural, its verb must also be plural. verbs REMOVE an s from the singular form.

therefore inorder for it to be correct, s must be remove from play

Answer: Many of the girls plays on the sidewalk.

Explanation: "Plays" needs to be removed. Correct sentence: Many of the girls play on the sidewalk.

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Answer: I hope this helps you

Explanation: https://ay.live/jPM5h

Gregor Mendel's research formed the basis of a. field of genetics

Genetics is a branch of biology that studies the inheritance of the characteristics of living things which are passed on to their offspring with certain patterns and variations.

Gregor Mendel is a geneticist who put forward the theory of inheritance based on his cross research using pea varieties. There are three theories put forward by Mendel, namely the theory of Mendel's Law I, namely the law of segregation and Mendel's Law II or the law of grouping genes independently. The results of Mendel's research and theory were very useful for the development of genetics and formed the basis of the field of genetics.

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1. The epistemology generally preferred in the natural sciences is a) Based heavily on directly observable evidence.

In the natural sciences, empirical evidence obtained through observation, experimentation, and measurement is highly valued. The emphasis is on gathering data from the physical world and using it to develop theories and explanations.

2. Interdisciplinary studies emphasizes the development of knowledge using insights developed within the disciplines is True.

Interdisciplinary studies emphasizes the development of knowledge using insights developed within the disciplines. It provides a platform for the exchange of knowledge and expertise between disciplines. This leads to a better understanding of complex problems and issues, which can be solved with a more comprehensive and holistic approach. Interdisciplinary studies are particularly useful in fields that are complex, and where a single disciplinary approach is insufficient. For example, climate change is a global problem that requires interdisciplinary collaboration between environmental scientists, climatologists, geographers, policy makers, and economists.

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In this case, called inversion, a segment of DNA is cut from chromosome 9 turned around, and then reinserted into the original location, just as we can see in the image. Therefore, the answer would be D.

Answer:

The SAGE instrument measures the amount of ozone and other trace gases that are in the atmosphere by measuring the amount of sunlight that comes through the atmosphere at different altitudes.

Explanation:

Ectoderm: central nervous system, peripheral nervous system, epidermis Mesoderm: notochord, kidney tubule cells, skeletal muscle Endoderm: red blood cells, thyroid follicular cells, lung alveolar cells, pancreatic acinar cells

I'll list the germ layers and their corresponding tissues or structures:
Ectoderm:
- Central nervous system
- Epidermis
- Peripheral nervous system
Mesoderm:
- Red blood cells
- Notochord
- Kidney tubule cells
- Skeletal muscle

Endoderm:
- Thyroid follicular cells
- Lung alveolar cells
- Pancreatic acinar cells

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Cocoon, a case produced in the larval stage of certain animals (e.g., butterflies, moths, leeches, earthworms, Turbellaria) for the resting pupal stage (see pupa) in the life cycle. Certain spiders spin a fibrous mass, or cocoon, to cover their eggs.