What is an EMTs responsibility?

Answer:

C. All cells come from existing cells.

Explanation:

Schleiden observed plant material and concluded that all plant tissue was made up of cells, which helped to establish the cell theory that all cells come from existing cells.

Answer:

6 CO2 + 6 H2O + light energy ⇒ C6H12O6 + 6 O2

where:

CO2 = Carbon Dioxide

H2O = Water

light energy = energy from light (photons)

C6H12O6 = glucose (a simple sugar)

O2 = Oxygen

Explanation:

Answer:So, the correct answer is 'Stabilising natural selection'.

Explanation:

Two uses of carbohydrate made by photosynthesis are Source of energy and usage in biochemical synthesis.

Carbohydrate is one of most essential nutrient for most of the organisms. It is made after plant performs photosynthesis. It has many usage in plants which includes source of energy, biochemical synthesis, repairing of leaf cells and building of cellular structure etc.

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Ms. Green's biology students were studying cellular respiration. Using baking yeast to test the rate of fermentation, student groups mixed yeast with different manipulated variables. The groups used the height of the carbon dioxide bubbles produced in a test tube to determine which variable(s) produced the highest rate of fermentation. Students hypothesized that adding lactose to a sixth test tube would produce the greatest amount of carbon dioxide.

Respiration is a process of overhauling complex organic molecules to produce energy. One type of respiration without oxygen, namely anaerobic respiration, will break down glucose to release stored energy. Anaerobic respiration occurs when the body needs energy quickly.

An example of anaerobic respiration alcohol fermentation using yeast. When approached, enzymes in yeast will analyze it with starch and sugar so that a decarboxylation process occurs when pyruvic acid from glucolysis breaks down carbon dioxide and carbonate groups to form acetaldehyde. Energy and carbon dioxide will be formed after acetyldehyth is reduced. Therefore the addition of lactose will produce the largest amount of carbon dioxide because lactose is a sugar molecule that is a food source for yeast.

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Answer:

the correct answer is 32 because it splits evenly

Answer:

At the end of mitosis, the two daughter cells will be exact copies of the original cell. Each daughter cell will have 30 chromosomes. At the end of meiosis II, each cell (i.e., gamete) would have half the original number of chromosomes, that is, 15 chromosomes.

Explanation:

The haploid cells are the pollen tube, seed cone, and the seedling, while the diploid cells are the embryo and the ovule, and the haploid has the half set of the genetic contents while the diploid has the double set.

The haploid cells are important as they are the gametes that have the capacity to form the zygote, and they can be either sperm or an ovule. So the haploid cells, which are the male and female gametes, combine to make the diploid cells.

Hence, the haploid cells are the pollen tube, seed cone, and the seedling, while the diploid cells are the embryo and the ovule, and the haploid has the half set of the genetic contents while the diploid has the double set.

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Visualization not sufficient to properly identify bacteria the correct option is (D). Bacteria have a limited set of shapes and many unrelated bacteria share the same shape.

Some bacteria, known as vibrio, have comma- or rod-like shapes; others might have spiral or tightly wound shapes, known as spirilla or spirochaetes. A few more uncommon shapes, including microorganisms in the form of stars, have been described.

Numerous bacterial species only exist as solitary cells, while others create distinctive associations. For example, Neisseria forms diploids (pairs), streptococci form chains, and staphylococci cluster into "bunch of grapes"-like clusters.

Soil, water, acidic hot springs, radioactive waste, and the deep biosphere of the Earth's crust are all home to bacteria. Through the recycling of nutrients, such as the fixation of nitrogen from the atmosphere, bacteria are essential at many phases of the nutrition cycle. The decomposition of dead corpses is a part of the nutrient cycle; bacteria are in charge of the putrefaction phase of this process.

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Mammary gland growth - estrogen

Milk production and storage - prolactin

Milk letdown - oxytocin

Mammary gland shrinkage - progesterone

When a baby suckles, it stimulates tiny nerves. This releases two of her hormones, prolactin, and oxytocin, into the bloodstream. Prolactin promotes milk production, and oxytocin promotes milk production. Breast milk is then released or expelled from the nipple. Estrogen is essential for MG growth, both in pubertal ductal dilatation and in alveolar development during pregnancy. Breast tissue prepared for milk production shrinks and loses its shape. Because of progesterone.

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The parts of Adenosine Tri Phosphate (ATP) molecules include adenine, ribose and phosphate groups.

Cells consume and store energy from adenosine triphosphate (ATP), which is the energy source. Adenine, ribose, and three serially bound phosphate groups make up the structure of ATP, which is a nucleoside triphosphate. The ATP that is produced during food digestion is what animals use to store their energy. Similar to this, plants use ATP molecules to store the energy they obtain from light during photosynthesis.

In ATP, the bonds holding the phosphate groups together serve as energy storage. More specifically, ATP's second and third phosphate groups are where the energy is kept. The third phosphate group separates from ATP when the cell needs energy, releasing energy in that bond.

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The three important functions of individual plants that determine the process of canopy development and competition are as follows:

Competition may be characterized as a type of interaction between organisms or species in which both require a resource that is in limited supply. It lowers the fitness of both organisms involved since the presence of one of the organisms always reduces the number of resources available to the other.

In the tropical rainforest plants must compete for sunlight, nutrients, and other resources. The relationship between the leaves of this plant is that they receive less sunlight due to this, the rate of photosynthesis is typically low. As a result of this, it faces more competition with the neighboring plants.

Therefore, the three important functions of individual plants that determine the process of canopy development and competition are well described above.

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Swamp could be an example of a freshwater wetland.

In general , swamps, marshes, and bogs are the three major kinds of wetlands. Swamp is considered as a wetland that is permanently saturated with water and dominated by trees. Example of two main types of swamps are freshwater swamps and saltwater swamps.

Hence, Ponds and lakes are example of both inland bodies of freshwater containing creatures. Wetlands can also be tidal or non-tidal in nature they can either contain freshwater, brackish, or saltwater. Example of different types of freshwater wetlands are marsh, bog, fen, swamp, mire and slough. So , Wetlands considered as shallow lakes not created due to tectonic activities.

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The letter to my body letting it know how important MEIOSIS is for your body to function and carry out life is written below.

Dear body,

Meiosis here, writing to remind you of the essential part I play in your capacity to operate and go about living your life. Without me, it would not be possible to produce genetically different gametes, which are the reproductive cells.

As you may know, one of my main responsibilities is converting a cell's diploid to haploid chromosome count. For gametes to develop into healthy, viable individuals, cell division is necessary. The process of fertilization and subsequent life-cycle continuation would not be possible without chromosomal reduction.

Through the process of crossing-over, in which genes from various chromosomes can be transferred, genetic diversity is also expanded during my process. As a result, each gamete develops a distinctive combination of genetic information, which is essential for the survival of subsequent generations.

In a nutshell, my job in your body is to reduce the number of chromosomes and facilitate crossing-over so that healthy, genetically varied gametes are produced. Fertilization and life's continuation would not be conceivable without me. To ensure that I can continue to perform my duties effectively, please remember to take good care of both me and the cells I deal with.

Yours Sincerely,

Meiosis

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Answer:

Defined: the sweet and fleshy product of a tree or other plant that contains seed and can be eaten as food.

These fruits, including the seeds, are eaten by animals who then disperse the seeds when they defecate

Explanation:

Hope it helps?

Genotypes of The Soldier's Blood Type: IOIO The O blood group only contains antigen O. Mother's blood type genotypes are IAIO.

What are the three genotype types?

There are three different genotype types: homozygous dominant (PP), homozygous recessive (PP), & heterozygous (Pp). The traits are the same in homozygous dominant and heterozygous genotypes.

Why is genotype important?

Similar to the term "genome," "genotype" in one meaning refers to the total collection of genes present in an organism's cells. However, in a more restricted meaning, it can refer to various alleles, or variant versions, of a gene for specific features or qualities.

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Deoxyribonucleic acid (DNA) is an organic compound that serves as the genetic information storage molecule and provides information to make proteins.

What is DNA?

DNA is an organic compound that stores genetic information and provides information to make proteins.

DNA is an organic molecule (containing carbon) that has a double helix structure. It is formed from two strands that bind together by hydrogen bonds between base portions.

DNA stores genetic information in sequences of four bases of nucleic acid; adenine (A), thymine (T), cytosine (C), and guanine (G). Each base, A, T, C, and G considered as a letter that spells out biological messages in the chemical structure. Organisms differ from one another because they have different nucleotide sequences and cause different messages.

These nucleotide sequences act as the instruction for producing protein. Therefore DNA messages encode the protein.

For example, the nucleotide sequence of the beta-globin gene. This gene carries the information for the amino acid sequence of the hemoglobin molecule.

Thus, structurally DNA is an organic compound that stores information in the form of nucleotide sequences, for making proteins.

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Part of the neuromuscular junction at B is the axon terminal. Here option A is the correct answer.

The neuromuscular junction (NMJ) is the site where a motor neuron's axon terminal (part B in the image) makes contact with a muscle fiber (part D in the image).

At the axon terminal, the motor neuron releases a chemical neurotransmitter called acetylcholine (ACh) which diffuses across the synapse and binds to receptors on the muscle fiber, leading to the contraction of the muscle.

Dendrites are the branches of a neuron that receive signals from other neurons, and Axon branches are the branches of the axon that send signals to other neurons or muscle fibers.

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Meiosis gives rise to four unique daughter cells each of which has half the number of chromosomes as the parent cell.

Meiosis is a type of cell division in sexually reproducing organisms that reduces the number of chromosomes in gametes the sex cells or egg and sperm. In humans body or somatic cells are diploid containing two sets of chromosomes one from each parent.

Meiosis has distinct stages called :

Therefore the purpose of meiosis is to produce gametes or sex cells. During meiosis four daughter cells are produced each of which are haploid containing half as many chromosomes as the parent cell.

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Hydrogen and nitrogen, which are both nonmetals, are found in ammonia. With the three hydrogens present, nitrogen thus forms three covalent bonds.

Ammonia consists of three hydrogen atoms and one nitrogen atom. Hydrogen nitride is another name for it. Ammonia therefore contains nitrogen and hydrogen in a 14:3 mass ratio. Hydrogen and nitrogen, which are both nonmetals, are found in ammonia. With the three hydrogens present, nitrogen thus forms three covalent bonds.

In ammonia, the bond with a proton (H +) is formed by the lone electron pair on the nitrogen atom (N), which is depicted as a line above the N. After that, each of the four N–H bonds, which are polar covalent bonds, is equivalent. The ion isoelectronic with methane and the borohydride anion and has a tetrahedral structure.

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When I weigh ammonia, fraction of hydrogen is A)3/17.So,correct option is A. Molecular formula of ammonia is NH₃.

For finding the fraction of hydrogen in ammonia, we need to know about the molecular mass of ammonia. By knowing the molecular mass we can easily find the fraction of hydrogen in it.

We know that molecular mass of ammonia is =Molecular mass of Nitrogen + 3 ˣ Molecular mass of Hydrogen. Since, molecular mass of hydrogen is 1 gm and molecular mass  of nitrogen is 14g.

So, molecular mass of ammonia is = (3 ˣ 1) + 14

=>molecular mass of ammonia is =17g.

Now,taking about fraction of hydrogen in it=(total mass of hydrogen) / total mass of ammonia

=>Fraction is =3/17

Hence,correct option is A.

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(Complete question) is:

When you weigh ammonia, what fraction of it is hydrogen?Answer Options:A. 3/17 B. 3/4 C)3/5 D)3//14

Natural selection is said to have occurred when individuals having the most favorable traits survive and reproduce.

Natural selection is a very key mechanism of evolution in which only the organisms or the individuals of a population which have desirable traits or characteristics are naturally selected and survive whereas the ones which do not have any desirable characteristics do not survive. This concept was given by the naturalist Charles Darwin.

The genes which bring about variations in an organism's genotype and give the organism a survival advantage over others are preserved and protected and are passed on to the next generation.

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The original inhabitants of Australia are known as Indigenous Australians. They have a rich culture and history that stretches back more than 60,000 years. Indigenous Australians are made up of many different groups, each with their own unique language, customs, and traditions. They were hunter-gatherers and had complex societies, spiritual beliefs, and trading networks. They have been the custodians of the land and the culture for millennia and continue to play a significant role in the country's history, culture and identity.

An island is formed by magma rising over the hot point. A new island is created as a result of plate movement.

Under the surface of the Earth, magma is rock that is partially liquid and extremely hot. Lava is the term used to describe magma that flows onto the Earth's surface.

The source of igneous rocks is magma, a rock that is molten or partially molten. While melts of carbonate and sulfur do occasionally occur, it mostly consists of silicate liquid. Lava is ejected from magma that has either migrated to great depths or the Earth's surface.

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The term fomite inanimate objects harbor microorganisms that contribute to environmental contamination.

Inanimate items that are capable of carrying and spreading illness and infectious agents are referred to as fomites. It's possible to refer to fomites as passive vectors as well. There is a vast variety of commonplace items that have the potential to become fomites if they come into touch with infectious agents such as germs, viruses, bacteria, or fungi.

Certain infectious diseases are more likely to be passed on via fomites than others. However, the likelihood of bacteria on a fomite being able to successfully transmit to a human is contingent upon a number of conditions.

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Answer:

fiber

Explanation:

Fiber is a type of carbohydrate that the body can't digest. Though most carbohydrates are broken down into sugar molecules called glucose, fiber cannot be broken down into sugar molecules, and instead it passes through the body undigested

The statement "based on the concepts of kinetic molecular theory, if the kinetic energy of atoms goes up, then the temperature will go up" is definitely true.

The kinetic molecular theory may be stated that the average kinetic energy of a gas particle depends only on the temperature of the gas.

The average kinetic energy of a collection of gas particles depends on the temperature of the gas and nothing else. So, if the kinetic energy of atoms goes up, then the temperature will definitely increase gradually in a closed system.

Therefore, the statement "based on the concepts of kinetic molecular theory, if the kinetic energy of atoms goes up, then the temperature will go up" is definitely true.

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Among all primates, humans have the largest brain corresponding to the brain size.

In general, characteristic that primates were having are the eyes with Forward projection they also have a protruding fields of view that allow depth perception. Also the eye sockets are having ring and cups  surrounded by bones . A unique feature like extruding hands with long fingers to curl around objects.

We can say that Human DNA is almost 95-96% identical to the DNA most distant primate species, and nearly 99% similar to our closest relatives, like chimpanzees . Humans are considered to have significantly larger brain then primates.

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Plasmodial slime mold is an example of a multinucleated cell. It can be referred to as "one huge cytoplasmic mass with many nuclei" as seen to the right.

Slime molds are classified in the Kingdom Protista (the Protists), despite many years of having been classified as fungi, in the class Myxomycetes. This change in classification resulted from research that yielded new information about their biology and phylogeny.

Plasmodium slime molds are unicellular when there is the availability of food. However, when the nutrients become scarce in the environment, these single-celled slime molds congregate to form a body and move around in search of food as the congregate form can detect airborne chemicals.

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Answer: D

Explanation:

cuz i took the test

In an experiment about how air pollution can result in acid rain and now you’re wondering how it may affect the plants in your garden the hypothesis is that air pollution affects plant life, Independent Variable is the amount of acid rain, the dependent variable is the rate of plant growth, constants are temperature and humidity, the control group is the growth of another species (e.g. an insect species) and the experimental group are the plant species in the garden.

The dependent variable in an experiment is one that is modified by the independent variable which is the cause of its change, while constant conditions stay the same and the target group is the experimental group.

Therefore, with this data, we can see that the dependent variable and independent variable are mutually related and do not affect the constant conditions.

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