Why is a dichotomous key called a dichotomous key?

answer to question 7 - Tube 4: Amylase present, body temperature (37ºC)

answer to question 9 - Hydrogen bonds between water and another substance

Answer it would be the bird

Answer:

Explanation:

Symptoms of infected animals include emaciation, excessive salivation, lack of muscle coordination, difficulty in swallowing, excessive thirst, and excessive urination. Subtle behavioral changes like loss of fear of humans or other abnormal behavior are often the first signs noticed.

Chronic Wasting Disease (CWD) in deer has symptoms such as weight loss, excessive salivation, drooping ears, lack of coordination, and behavioral changes.

Chronic Wasting Disease (CWD) is a disease that affects deer and elk. The symptoms of CWD include weight loss, excessive salivation, drooping ears, lack of coordination, and behavioral changes such as decreased interactions with other animals. Infected deer may also have a blank or staring expression and may stand in water for long periods of time.

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Answer:

I think it may be because of the possibility of the pesticides traveling to Canada by food and crops so it good still harm people there.

Answer:

D

Explanation:

It is D because they can reorganize the chromosomes.

Mutations increase genetic variation due to changes in DNA. Therefore, option D is correct.

Mutations are changes in the DNA sequence that can occur spontaneously or due to exposure to environmental factors such as radiation, chemicals, or viruses. Mutations can affect a single nucleotide (a change in a single base pair), a small segment of DNA, or a larger portion of a chromosome.

Mutations can occur during DNA replication, meiosis, or exposure to mutagens. They can be beneficial, harmful, or neutral to an organism's survival and reproduction.

Some mutations can result in new genetic variations that provide an advantage in a certain environment. Other mutations can cause genetic disorders or increase the risk of certain diseases. Therefore, option D is correct.

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Answer:

Controlling the proteins in an organism controls the organism's characteristics because proteins are enzymes, and enzymes catalyze and regulate chemical reactions, and therefore can control certain traits such as color, shape, or even gender.

Explanation:

Controlling the proteins in an organism regulates the organism's characteristics because translation regulates the protein expression of cells based on DNA sequences and eventually the characters are expressed.

In general, the cell has genetic contents that are expressed in terms of transcription and translation, and here these are called the fundamental processes of the cell as they are required by the cells for enzyme formation, synthesis of the receptors, membrane protein, and expression of the traits. If the translation is regulated, then the message present in the DNA is also regulated, and the protein expression can be controlled.

As a result, controlling the proteins in an organism regulates the organism's characteristics because translation regulates the protein expression of cells based on DNA sequences and eventually the characters are expressed.

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Answer: Transience

Explanation:

Transience refers to the general degradation of a specific memory over a period of time. The events that can be remembered are the recent events than those of the events that has occurred in the past.  

This is true when it comes to episodic memory. This happens because every time the memory is re-encoded in the hippo campus.

Transience is caused because of the interference in the brain. One that does not allows the brain to retain the older information over new ones known as retroactive interference and the other is proactive interference where the older information does not allows the new information to be retained by the brain.

Answer:

Transience

Explanation:

I took the test and if you look in 02.05 it says it

Answer:

The explanation is provided in the explanation section

Explanation:

Gregor Mendel, who was referred to as the FATHER OF GENETICS discovered the principles that governs heredity in his several experiments. He observed that, for a particular trait, an organism receives two copies of a gene called ALLELE. This two copies are contributed by each parent in gametes during reproduction. An allele is a contrasting form of a gene, that is responsible for a particular trait of that gene.

For example, the height gene possesses two alleles T and t, which is responsible for a tall and short trait respectively. In an organism, two copies od this height gene will be present either same or different depending on which allele is contributed by each parent. This explains why a diploid organism possesses two alleles for a specific gene.

One of the principles of heredity discovered by Mendel is the LAW OF SEGREGATION, which states that the alleles of a gene will separate into gamete during gamete formation (meiosis). Mendel stated that only one form of a gene (allele) will be found in each gamete. For example, in an organism with Tt genotype, the gametes produced by this organism will either contain T or t allele.

The Law of Segregation states that genetic traits are split during gamete formation, producing offspring with two copies of each gene, one from each parent. This is due to the fact that most organisms are diploid, having two sets of chromosomes from both parents.

The Law of Segregation, also known as Mendel's first law, states that during the formation of reproductive cells (eggs and sperm), pairs of genetic traits are separated or segregated from each other. This means each parent contributes one copy of the gene for each trait, resulting in the offspring having two copies of the gene - one from each parent. These copies then randomly assort into gametes, maintaining genetic variation.

As to why each organism has two copies of a gene, this is attributed to the fact that organisms are diploid. A diploid organism has two sets of chromosomes, one set from the mother and one from the father, and consequently, two copies of each gene. These genes often have slight variations, leading to diversity in traits like eye color, skin color, and so on.

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Answer:

a unique sedimetary rock will not crumble

Explanation:

Answer:

Sedimentary rocks have; stratification, ripple marks, cross beds, mud cracks and fossils.

Explanation:

Answer:

Albert Einstein

Explanation:

Albert Einstein developed a theory that describes how light interacts with gravity.

Answer: Albert Einstein

Explanation:

Answer:

The above statement is false.

Explanation:

Protozoans are not the organisms that can convert nitrogen from the air into chemical compounds that plants can use.

Bacteria and archaea are organisms that can convert nitrogen from the air into chemical compounds that plants can use. Organisms which can convert nitrogen to forms that can be used by plants such as ammonia are known as diazotrophs. Examples of such kind of organisms include Rhizobia and azospirillium.

Final answer:

Asexual reproduction is most likely to result in a rapid growth in population.

Explanation:

The type of reproduction that is most likely to result in a rapid growth in population is asexual reproduction. Asexual reproduction involves the production of offspring without the need for a mate, and it can occur through various methods such as binary fission, budding, or fragmentation. Since asexual reproduction does not require the time and energy needed to find a mate, it can lead to a rapid increase in population size under favorable conditions. For example, bacteria can reproduce through binary fission, where a single cell divides into two identical cells. Each of these cells can then divide again, resulting in exponential population growth.

Answer:

Taxonomy is the branch of science concerned with classification (like organisms)

Explanation:

Classification is a HUGE part of science..

What is science without classification because classification is like evidence..

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The particles of the snow have kinetic energy, but being a solid, it has less kinetic energy than that of liquid water. So they move around in a place about its mean position.

Option C

Igloos are the small homes made up of snow. It used to be homes for the people living in Arctic regions in past. Now some tribes still live in these igloos, or they are made by tourists for amusements.

Snow is basically precipitation of ice from clouds. Being the solid form of water, ice has molecules more compactly arranged in its crystal structure. Thus, the molecules cannot move here and there like in fluid. But having some kinetic energy, they have certain movements i.e vibrations around its mean position.

Hi

As we have studied that Mitochondria is an organelle that is considered to be the power house of the cell. It is the main site where production of energy along with its supply to other organelles occur. All eukaryotic organisms contain mitochondria in their cells, however, Monocercomonoides are a newly discovered group of organisms which are eukaryotic but can happily live without the presence of mitochondria because they dont contain it in their cells.

It is believed that in Monocercomonoides, the  iron-sulfur cluster assembly pathway is replaced by cytosolic sulfur mobilization system (SUF)  pathway due to which the organism is able to easily carry out all its life processes. Evolutionary studies have also shown that previously these organisms had mitochondria but lost it during evolutionary processes.

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Monocercomonoides is a single-celled organism that does not have mitochondria. However, it has adapted to carry out all the basic functions of life, including energy production, through a symbiotic relationship with bacteria.

The microorganism Monocercomonoides, an example of primitive single-celled organism, is unique because it does not possess mitochondria. Despite lacking mitochondria, it still carries out all the basic functions of life. This organism has evolved a system to perform metabolic functions typically associated with mitochondria, such as energy production, through a symbiotic relationship with bacteria. It is proof that life can adapt in the absence of what is generally considered essential cellular components. So, yes, without mitochondria, Monocercomonoides does continue to perform the basic functions of life.

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Answer:

True

Explanation:

We all begin existence as the simplest thing you can imagine if you're trying to picture life: a single cell--nothing, in other words, but a tiny, spherical bag of proteins. In fact, the average one-celled amoeba looks far perkier under a microscope than a fertilized human egg

In biology, a 'substrate' is a molecule that binds to an enzyme's active site and is transformed into a product through a chemical reaction. The correct answer is c) a substance that binds to an enzyme to be synthesized or digested. The process involves forming an enzyme-substrate complex where the reaction occurs.

The term substrate refers to a molecule that binds to an enzyme's active site and undergoes a chemical reaction to be converted into a product. This process typically occurs in a sequence as follows: the enzyme (E) combines with the substrate (S), forming an enzyme-substrate complex (ES); the chemical reaction occurs; and then the product (P) is released, with the enzyme itself unchanged and ready to catalyze another reaction. This makes the correct answer to the student's question:

c) a substance that binds to an enzyme to be synthesized or digested.

Enzymes act as catalysts to increase the rate of virtually all the chemical reactions within cells. They provide an active site that is specifically shaped to hold the substrate(s), creating the right conditions for the chemical reaction to occur. This is known as the lock-and-key model, where the enzyme and the substrate fit together perfectly, or the induced fit model, where binding of the substrate induces a change in enzyme shape to snugly accommodate the substrate. The enzyme-substrate complex facilitates the chemical reaction and leads to the formation of product(s), after which the substrate molecule(s) is no longer the same as it was before the reaction.

Answer: Energy is the ability to do work and allows living things to perform all the functions necessary to live.

Energy is the ability to do work and is vital for life functions. It comes from food and is used by the body in various ways.

The answer to this question is Energy. Energy is the ability to do work and allows living things to perform all the functions necessary to live. For example, human bodies use energy to move, to maintain body temperature, and to allow the brain to think and process information.

Energy comes in many forms, such as heat, light, chemical, and electrical. In biology, the energy we are talking about most often is biochemical energy, which is derived from nutrients in food. Through a process called cellular respiration, your body converts the food you eat into usable energy.

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Answer:

Organic molecules present  in chicken are Nucleic acid, proteins, carbohydrate and lipids .

Explanation:

Chicken itself has the all four organic molecules in it. Organic molecules are those having carbon in it. They are attached by covalent bonds, in which electrons are being shared within the atoms. The nucleic acids are DNA and RNA which helps in the making of the proteins which are found in the various structure and ought to perform various metabolic functions. Proteins are the building block of the amino acids. Lipids found are the fat bodies, burning of lipids gives us energy.

Chicken contains organic molecules such as proteins, lipids, carbohydrates, and nucleic acids, which are essential for various biological functions and nutritional needs. The nutritional value of chicken can vary depending on farming practices, which can alter the balance of these nutrients, like omega-3 fatty acids.

The organic molecules found in chicken include a variety of biomolecules essential for life. Some of the primary categories of these organic molecules are proteins, lipids, carbohydrates, and nucleic acids. Proteins in chicken not only serve as a major source of dietary amino acids for building and repairing tissues but also play roles in various biological functions like enzyme and hormone activities.

Chickens are also a source of lipids, which include fats that are important for energy storage and hormonal functions. Carbohydrates present in chicken are generally found in small quantities and include glycogen, which is a stored form of glucose. Nucleic acids, like DNA and RNA, are present in every cell and are responsible for genetic information and protein synthesis.

Furthermore, chickens produce glycosylated proteins, adding the correct sugars to these proteins. Modern farming practices have influenced the nutritional composition of chicken, altering levels of essential nutrients like omega-3 fatty acid. It has been observed that intensively raised chickens now have higher fat content compared to their protein content, with reduced amounts of omega-3 fatty acids compared to chickens raised in the past.

Answer:

It's D Temperament

Explanation:

Answer:  Temperament

Explanation: 100% right. Just tested.

Answer: Individualistic

Explanation:

The individualistic culture is featured by individualism in which the priority is on the individual as compared to that of the group.

Individualistic culture revolves around the self and being independent instead of being identified with a group mentality.

The self development causes stress on the other individuals because there is no such development of the group.  

Answer:

Enzymes 'reduces the activation energy' of both Exergonic and Endergonic Reaction by acting as a catalyst.

Explanation:

Enzymes lower the activation energy of both exergonic and endergonic reactions.

In biological systems, enzymes play a crucial role in lowering the activation energy of chemical reactions. Activation energy is the energy required to start a reaction. Enzymes facilitate reactions by providing an alternative pathway with a lower activation energy, allowing the reaction to occur more easily and at a faster rate. For exergonic reactions, which release energy, enzymes can help decrease the activation energy. For endergonic reactions, which require energy input, enzymes can still lower the activation energy required for the reaction to proceed.

Answer:

46

Explanation:

The probability of an offspring being white in the given scenario, assuming heterozygous parents, is 25%, as calculated using a Punnett square.

The probability of an offspring being white in the given plant species, where purple (P) is dominant over white (p), can be determined by creating a Punnett square. If we assume both parents are heterozygous (Bb), the Punnett square would have one quarter (bb) representing white flowers. Therefore, there is a 25% chance that an offspring will have white flowers (rr). The other three quarters would result in purple flowers because of the dominant purple allele (P), showing a 3:1 ratio of purple to white.

Answer:

Kingdom, sorry if its wrong! I hope this helped!

The  masses of the objects on the Gizmo for 14 N object is 1.42 kg, 80 N object is 8.16 kg and 98 N object is 10 Kg

mass, in physics, is described as the quantitative measure of inertia, a fundamental property of all matter.

The  masses of the objects on the Gizmo can be calculate as follows:

W= m x g

where w=

the weight,

m is the mass and

g is acceleration of gravitation  

W= m x g

14N = m x 9.8

m = 14/ 9.8

m = 1.42 kg

for the 80N Object

W= m x g

80N = m x 9.8

m = 80/ 9.8

mass = 8.16 kg

for the 98N Object

W= m x g

98N = m x 9.8

mass = 98/ 9.8

mass = 10 kg

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complete question:

An object’s weight is determined by its mass (m) and the acceleration due to gravity (g) affecting that object: w = mg. On Earth, g = 9.8 m/s 2 .

What are the masses (in kilograms) of the three objects on the Gizmo? (Note: 1 N = 1 kg m/s ²). 14 N object,80 N object,98 N object.

Answer:

Risk factors for infectious diseases:

Explanation:

Apart from exposure to germs, certain other factors increase the risk of contracting an infectious disease.

Compromised or Suppressed Immune system:

HIV/AIDS

Not Vaccinated:

Vaccination increases a body's capability to fight deadly infections. Un-vaccinated individuals are at a higher risk of contacting diseases.

565. 685  miles

Explanation:

The description of the vector of the plane travel forms a  trapezoid shape as shown in the attached diagram.  The requested vector distance is the hypotenuse of the right-angled triangle on the right. We understand that to get hypotenuse we use the formula;

a² + b² = c²

400² + 400² = c²

c² = 320,000

c = 565. 685

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Answer:

Answer: label O: organic material

Label A: topsoil

Label B: subsoil

Label C: weathered rock

Explanation:

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