Why is parthenogenesis considered an adaptation?

Answer:

Environmental Factors Interact with Genes

Environmental factors often influence traits independently of genes. But not always. Sometimes the environment changes a gene—either its DNA sequence or its activity level. Either of these effects can change the proteins that are made from a gene, which in turn affects traits.

Answer:

Water

Sunshine

Carbon dioxide

They give us Oxygen

Answer:

» Water

»Sunshine

»Carbondioxide

»Chlorophyll

Products: Glucose and oxygen

a) The mortality was high at the beginning of the period, but it decreases rapidly;

b) The mortality is oscilating, it couldn't stay stable as two pandemics are taking place;

c) The mortality starts to stabilize more, after the end of the pandemics.

Answer:

C) Chiasmata are formed

Explanation:

It is my opinion so it can be wrong so sorry

Answer:The weak bond between two hydrogen atoms, which is commonly found between water molecules and nucleotides in DNA, is called a hydrogen bond.

Explanation:

Answer: Hydrogen Bond

Explanation:

If an individual consumes 4 glucose molecules, then it will produce 16 carbon dioxide molecules, 24 NADH, 8 FADH2 and 8 ATP.

Cellular respiration is the metabolic process by which an organism can produce energy by the oxidation of glucose molecules. This process is well known to produce 4 carbon dioxide molecules, 6 Nicotinamide adenine dinucleotide NADH, 2 FADH2 and 2 ATP per each glucose molecule in the different steps of this metabolic pathway.

In conclusion, an individual 16 carbon dioxide molecules, 24 NADH, 8 FADH2 and 8 ATP by the cellular respiration of 4 glucose molecules.

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Answer:

I believe the answer is C. breaks down glucose to make ATP

Explanation:

Photosynthesis is the process in which a plant takes in solar energy, water, and carbon dioxide to create glucose and oxygen. Organisms such as humans and animals use the products of photosynthesis in a process known as cellular respiration. Our body breaks down glucose to create an energy source known as ATP. :)

Answer:

This is an endothermic reaction.

Answer:

1  endothermic

2exothermic

3

Explanation:

Two major types of chemical substances that are broken down in chemical digestion are carbohydrates and proteins.

Thus, carbohydrates are broken down by amylase secreted by salivary glands and pancreas into simpler sugars, such as glucose, Glucose is then absorbed by the body for energy or can be stored as glycogen in the liver and muscles.

Carbohydrates and proteins are chemical substances breaking down during chemical digestion where proteins are broken down by proteases secreted by the stomach and pancreas into smaller peptides and amino acids. These smaller peptides and amino acids are further absorbed by the body and used for the synthesis of new proteins.

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Answer:

2. Grains of rice

Explanation:

Everything else is microscopic.

Explanation:

It could either be a grain of rice or cell.

Cell,because an egg is also a cell and it is bigger than a grain of rice . Grain of rice because all of them can be microscopic too.

Hope it helps.

Answer: false

Explanation:

Inquiry-based pedagogy involves fostering curiosity and active learning. For example, students investigating real-world environmental issues and proposing solutions.

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Sustainable living is the attempt to reduce the use of natural resources like fossil fuels, forests, and others by the human society so that these resources remain available for future generation.

It is associated with maintaining the balance in the ecological, economical and societal needs to lead a healthy lifestyle. As it mainly emphasizes over the protection of the environment then it is also called as green living.

An individual  who pursues a lifestyle where he/she is concerned of using the resources in a limited quantity so the basic requirement of his/her is fulfilled along with preserving the remaining resources for the coming generation so that their basic requirements could be met, is following a sustainable living.

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The acceleration of the car is 2 m/s².

The average velocity of the car is 2 m/s.

The equation acceleration = (final velocity - beginning velocity) / time can be used.

Given:

Initial velocity (u) = 0 m/s (since the car starts from rest)

Final velocity (v) = 20 m/s

Time (t) = 10 s

Using the formula, we can substitute the values:

acceleration = (20 m/s - 0 m/s) / 10 s

acceleration = 20 m/s / 10 s

acceleration = 2 m/s²

Therefore, the acceleration of the car is 2 m/s².

You can use the following equation to determine the average velocity: average velocity = total displacement / total time.

The initial position and the final position are identical since the automobile begins at rest. As a result, the displacement and the ultimate position are equal.

Given:

Displacement = 20 m

Time (t) = 10 s

Using the formula, we can substitute the values:

average velocity = 20 m / 10 s

average velocity = 2 m/s

Therefore, the average velocity of the car is 2 m/s.

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Answer:

precipitation falling from the thunderstorm

Explanation:

when precipitation falls into the updraft, the falling particles drag air down with them, creating 'sinking air' or 'downdrafts'.

Answer:

pressure difference between the surface and the thunderstorm

Answer:

- Rh, normal insulin

- Rh, no insulin

- Rh-, normal insulin

- Rh-, no insulin.

Explanation:

This question involves two genes; one coding for Rhesus factor and insulin product. The allele for Rh blood and normal insulin dominates that of Rh- and no insulin.

According to this question, if both parents are heterozygous for both Rh and normal insulin production and cross, i.e. RrIi × RrIi, the following phenotype of offsprings will be produced (see punnet square):

- Rh, normal insulin (R_I_)

- Rh, no insulin (R_ii)

- Rh-, normal insulin (rrI_)

- Rh-, no insulin (rrii)

Answer:

Explanation: D- they produce less hazardous waste

Answer:

D. They produce less hazardous waste

Explanation:

Nuclear power plants have radioactive hazardous waste, while solar panels do create waste it is not hazardous/as much as a nuclear power plant.

Answer:

Option A, Substrate binding may induce a conformational change in the enzyme, which them brings catalytic groups into proper orientation.

Explanation:

Induced fit concept refers to introduction of continuous change of enzyme conformation on substrate binding. This change in the shape of enzyme either inhibit or enhance the activity of enzyme. This makes the enzyme catalytic and hence lower the activation energy thereby increasing rate of reaction.

The infοrmatiοn frοm a pedigree makes it pοssible tο determine hοw certain alleles are inherited: whether they are dοminant, recessive, autοsοmal, οr sex-linked.

Sο the cοrrect οptiοn is A.

Autοsοmal dοminant inheritance is a way a genetic trait οr cοnditiοn can be passed dοwn frοm parent tο child. One cοpy οf a mutated (changed) gene frοm οne parent can cause the genetic cοnditiοn. A child whο has a parent with the mutated gene has a 50% chance οf inheriting that mutated gene.

One trick fοr identifying a recessive trait is that if a trait skips a generatiοn in a pedigree, it is οften an autοsοmal recessive trait (althοugh a trait can be autοsοmal recessive and nοt skip generatiοns). These traits appear with equal frequency in bοth sexes.

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Answer:

1. The prosthetic group of hemoglobin and myoglobin is heme.

2.The organic ring component of heme is porphyrin ring.

3. Under normal conditions, the central atom of heme is Iron (Fe2+).

4. In deoxyhaemoglobin the central iron atom is displaced 0.4 A out of the plane of the porphyrin ring system.

5.The central iron atom has six bonds: four to nitrogen atoms in the porphyrin, one to a histidine residue and one to oxygen.

Explanation:

1. The heme is the prosthetic group common to both the hemoglobin and myoglobin. It is made up of a central iron ring.

2. The porphyrin ring is the organic component of the heme that surrounds the iron ring. Its based on a tetrapyrole ring called porphin commonly found in other biomolecules such as cytochrome and chlorophyll in plants

3. Iron (Fe2+) is central to the heme structure. It has the ability to bind to an oxygen molecule at a time. This gives the protein- hemoglobin the ability to bind to 4 oxygen molecules at a time.

4. Deoxyhaemoglobin is simply a reduced form of hemoglobin which has lost oxygen molecule in red blood cells. It is purple blue in colour.

5. In the middle of the porphyrin ring, the iron binds to 4 nitrogen atoms. 2 free binding sites are available on either side of the plane heme structure with histidine surounding the heme molecule.

The Sun will start evolving so quickly that it will stop being a main-sequence star around the year 7.1 billion AD.

It will start to move from its current location on the H-R diagram, which is close to the center, to the top right, where the red giants reside.

This is due to the Sun's helium core eventually reaching a critical point at which the pressure from ordinary gases will be unable to support the crushing weight being placed on it (not even gasses heated to tens of millions of degrees).

At the Sun's core, a tiny seed of electron-degenerate matter will sprout. Although there is disagreement over the specifics of this transition, theoretical simulations suggest that it will start when the Sun becomes inactive.

Therefore, The Sun will start evolving so quickly that it will stop being a main-sequence star around the year 7.1 billion AD.

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Answer:

The time that it takes the isotope to decay varies. Sometimes the time is short, and other times it’s long.

Explanation:

Hope this helps :3

The time that it takes the isotope to decay varies. Sometimes the time is short, and other times it’s long.

Isotopes are members of a family of an element that all have the same number of protons but different numbers of neutrons. The number of protons in a nucleus determines the element's atomic number on the Periodic Table.

Examples of radioactive isotopes include carbon-14, tritium (hydrogen-3), chlorine-36, uranium-235, and uranium-238. Some isotopes are known to have extremely long half-lives (in the order of hundreds of millions of years). Such isotopes are commonly referred to as stable nuclides or stable isotopes.

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Answer: there are at least two groups, one of which does not receive the experimental treatment

Explanation:

A controlled experiment is where the variables are controlled do the scientist has a comparison of the control group to the experimental one

Answer:

H₂ + Cl₂ ---> 2 HCl

Explanation:

It looks like the reactants are not allowed to have coefficients (not enough boxes), so you need to pick reactants and products that satisfy this condition. The only ones that appear to fit are:

H₂ + Cl₂ ---> 2 HCl

Answer:

B. Active transport requires energy and moves materials from areas of relatively lower to higher concentration.

Explanation:

To find the percentage of Nitrogen in the original sample, the formula that should be used is ((Nn * MN//Msample) * 100 %.

The scientific name for nitrogen is N, and it is a colorless and odorless element. Nitrogen is present in the air we breathe, the water we drink, and the soil beneath our feet. In fact, nitrogen makes up the majority of the atmosphere on Earth (78%).

One of the primary building blocks of the body, nitrogen is necessary for the production of several nitrogenous compounds, including hormones, neurotransmitters, and antioxidant defense components. Nitrogen is also essential for protein synthesis.

Since it makes up about 78% of the air we breathe, nitrogen is not toxic. It has no odor, but it is not innocuous.

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