what is an organic molecule that consists of C, H, O atoms in a ratio of 1:2:1

Answer:

In Mitosis the cell is diving in two to make 2 exact copies. You need to double the DNA to make sure you have enough DNA for each daughter cell

Explanation:

By comparing the DNA sequences of different species, scientists can identify shared ancestry and determine how closely related different species are. This enables them to make predictions about the evolutionary relationships between different species and to reconstruct phylogenies that extend back in time, providing insights into the evolutionary history of life on Earth. Molecular techniques, such as DNA sequencing, are particularly useful for this purpose because DNA is a stable, heritable molecule that is passed from one generation to the next.

Answer:

1.To produce bacteria that can generate biofuels efficiently.

2.To produce bacteria that can generate medicines in large amounts .

3. To produce crops that are resistant to pests.

Answer:

To produce bacteria that can generate biofuels efficiently.

To produce bacteria that can generate medicines in large amounts .

To produce crops that are resistant to pests.

Answer:

Thylakoid membrane

Explanation:

There are three "layers" of a chloroplast. The inner layer, the outer layer and the Thylakoid membrane is the third and internal membrane system.

I hope this helped!

Vascular plants differ from nonvascular plants in that the former has developed a specialized vascular system, which consists of the xylem and the phloem, spaces through which the materials the plants use flow. In contrast, nonvascular plants have other strategies to move the water from the soil, such as their capturing directly with structures known as rhizoids and their leaflike structures. Vascular plants also form woody bodies, while nonvascular plants are tiny epiphytic plants.

Vigorous, upward lifting leads to large cloud formations associated with storm systems and consequent severe weather

Large cloud formations connected to storm systems may emerge as a result of vigorous, upward air lifting. Water vapour in the air can condense into water droplets and create clouds when moist air rises and cools. Towering cumulonimbus clouds, which are linked to thunderstorms, torrential downpours, and other severe weather events, can form when lifting is strong and persistent enough.

Fronts, which are the borders of air masses with various characteristics of temperature and humidity, can occasionally cause air to be lifted. Warmer air is quickly lifted as a cold front pushes into a warm air mass, which causes storm development. Similarly, the formation of thunderstorms may result from warm air rising along a dryline—the border between humid and dry air.

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The correct order of respiration is:

Oxygen is absorbed in the lungs and food is absorbed in the gut, The blood transports oxygen and nutrients to individual cells, Oxygen and food pass through the cell membrane and reach mitochondria, Carbon dioxide and water pass through the cell membrane, The blood transports carbon dioxide to the lungs and water is removed from the body.

Respiration is the process by which living organisms produce energy from food molecules. In humans and other animals, respiration occurs in the cells of the body, particularly in the mitochondria, which are organelles responsible for producing ATP, the primary source of energy for cellular processes.

The process of respiration can be broken down into two main stages:

External respiration: This stage involves the exchange of gases (oxygen and carbon dioxide) between the body and the environment.

Internal respiration: This stage involves the use of oxygen to produce energy through cellular respiration.

In summary, respiration is the process by which living organisms produce energy from food molecules. It involves the exchange of gases between the body and the environment, and the use of oxygen to produce energy through cellular respiration.

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The DNA is located in the NUCLEUS, where the biological processes that lead to the creation of protein start.

There, a DNA molecule and an RNA molecule are produced by the TRANSCRIPTION process. This procedure is carried out by an enzyme known as RNA POLYMERASE. The RNA molecule that leaves the nucleus is a particular type of RNA known as mRNA.

This molecule moves to the RIBOSOME, a cellular organelle, after leaving the nucleus through the nuclear pores. There, a procedure known as TRANSLATION is employed to build a protein molecule from the nucleotide sequence on this molecule.

The molecules of tRNA, which each identify one nucleotide triplet and carry the associated amino acid, aid in this process.

The nucleus of the cell contains the majority of its genome.

Chromosomes, which are long DNA stands that are protected and organized by various proteins like histones, are frequently formed from nuclear DNA.

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False. The main "cause" that permits one of your mitochondria to switch over to fermentation is a lack of adequate final electroactive levels, which causes an ensuing deficiency of NAD+.

The investigation into how cells work and function is based on the notion that perhaps the cell is the fundamental building block of life. By focusing on the cell, one can gain a thorough understanding of the tissues and creatures that cells make up.

An estimated 100 trillion cells make up the human body. A new megascience effort will catalog & scan each of the 80 identified organs' 200 or much more diverse types of cells.

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Answer: is B scientific research.

Explanation:

Answer:

60%

Explanation:

In adult men, about 60% of their bodies are water. However, fat tissue does not have as much water as lean tissue. In adult women, fat makes up more of the body than in men, so they have about 55% of their bodies are made of water. Most of the human body is water, with an average of roughly 60%. The amount of water in the body changes slightly with age, sex, and hydration levels. The amount of water in the human body ranges from 60-80%. The brain and heart are composed of 73% water, and the lungs are about 83% water. The typical percentage of the human body that is water is 60% in adult men according to Dr Jeffrey Utz of Allegheny University and 50% in adult women.

Answer:

C

Explanation:

The statement that best describes the population size between 1990 and 2011 is many increases and decreases but declined overall. Thus, the correct option for this question is B.

The population may be defined as the group of individuals belonging to the same species living in the same area at a definite time. The size, density, dispersion, abundance, birth rate, death rate, etc. are the characteristics of the population. These characteristics are also known as demographic factors.

The gray fox is a species of carnivorous mammal of the Canidae family distributed by the American continent, from the south of Canada to Venezuela. Gray foxes are hunted, it is not as common as in other types of foxes, since the degree of their coats is perceived as inferior in quality.

Therefore, the statement that best describes the population size between 1990 and 2011 is many increases and decreases but declined overall. Thus, the correct option for this question is B.

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The shooting star occurs in the mesosphere, which is the layer of the atmosphere above the stratosphere and below the thermosphere.

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Answer:

3 Hydrogen bonds

Explanation:

Cytosine and guanine pairing can be found in both DNA and DNA-RNA hybrid formed during replication and transcription. The two nitrogenous bases are held together by three hydrogen bonds.

Bound ribosomes are responsible for the synthesis of membrane proteins and secretory proteins.

Bound ribosomes are ribosomes that are attached to the endoplasmic reticulum (ER) or nuclear envelope. They are responsible for the synthesis of proteins that are destined for secretion or for incorporation into membranes. Membrane proteins are typically synthesized by bound ribosomes that are associated with the rough ER. These proteins are then inserted directly into the ER membrane or transported to other organelles such as the Golgi apparatus for further processing and sorting.

Secretory proteins are also synthesized by bound ribosomes and are transported to the ER lumen where they are folded and processed before being transported to the Golgi apparatus for further modification and sorting.

Overall, bound ribosomes play a crucial role in the synthesis of proteins that are essential for the proper function and survival of the cell.

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Answer:

B) The effect on the cell membrane potential relative to the threshold

Explanation:

would be an increase, which can bring the cell to a state of higher excitation and thus increase the likelihood of firing an action potential.

Answer:

NAD+ (nicotinamide adenine dinucleotide) is indeed crucial for ATP production, even in anaerobic pathways such as glycolysis followed by fermentation. Allow me to explain the significance of NAD+ and its role in ATP production.

During glycolysis, glucose is broken down into pyruvate, producing a small amount of ATP and NADH. The conversion of NAD+ to NADH occurs during the oxidation of certain molecules, including glucose, in the pathway. This conversion is essential because NADH carries high-energy electrons that can be used in subsequent steps to generate more ATP.

In aerobic respiration, NADH is further utilized in the electron transport chain (ETC) within the mitochondria. The ETC transfers electrons from NADH to oxygen, generating a significant amount of ATP through oxidative phosphorylation. However, in anaerobic conditions where oxygen is limited, like during fermentation, the ETC cannot function.

Here's where NAD+ becomes critical. In order to keep glycolysis running and continue generating ATP, the NADH produced during glycolysis must be converted back to NAD+. This allows glycolysis to continue producing ATP, even without the presence of oxygen. Without a mechanism to regenerate NAD+, glycolysis would halt due to a lack of NAD+, leading to a severe reduction in ATP production.

Fermentation pathways differ depending on the organism, but they all involve the regeneration of NAD+. For example, in lactic acid fermentation, pyruvate is converted into lactate, which involves the transfer of electrons from NADH to pyruvate, regenerating NAD+. Similarly, in alcoholic fermentation, pyruvate is converted into ethanol, again regenerating NAD+.

In summary, NAD+ is essential in anaerobic ATP production because it serves as a coenzyme that accepts electrons and facilitates the conversion of NADH back to NAD+. By regenerating NAD+, cells can sustain glycolysis and continue producing ATP, even in the absence of oxygen.

Answer:Oral Mucosae

Explanation:This is because the oral mucosae is the type of body tissue that lines up with the oral cavity.

The example of elemental carbon is diamond and it is pure form of carbon. Thus, option A is correct.

Elemental carbon is pure form of carbon and it does not contain other elements and present in natural form. Due to this reason it is known as elemental.

In elemental form pure atoms are not attached to any other atom. Example is diamond which is allotrope of carbon in which there is only carbon atom attached to each other.

Methane and proteins are compounds consist of a combination of carbon and other elements and they are not come in category of elemental carbon.

Therefore,the example of elemental carbon is diamond and it is pure form of carbon. Thus, option A is correct.

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The objective of ensuring "finance flows commensurate with a route towards low greenhouse gas emissions and climate-resilient development" is stated in Article 2.1(c) of the Paris Agreement. This ambition extends much beyond the typical focus of climate financing on assisting impoverished nations.

For example, Ghana's total greenhouse gas emissions in 2019 were 58.56 MtCO2e (million tonnes of carbon dioxide equivalent), 16% more than in 2016. Because of this continued rise in Greenhouse emissions as well as the existence of harmful chemicals in their cocoa, Europe recently indicated that they'd be cutting back on how much import they off-take from Ghana.

The Paris Agreement, often known as the Paris Accords or the Paris Climate Accords, is an international climate change accord. The pact, which was signed in 2015, addresses climate change mitigation, adaptation, and funding.

The Paris Pact is a watershed moment in the international climate change process because it brings all nations together for the first time in a binding agreement to undertake aggressive measures to combat climate change and adapt to its repercussions.

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Answer:

it decreases competition

Explanation:

for example, if there are too types of lizards in an area both competing for the same bugs but one breed of lizard can be more easily seen by predators, then those lizards are gonna get eaten, leaving the other lizard breed less competition for food

Answer:

Explanation:

To solve this problem, let's represent the heterozygous yellow-seeded plant as "Yy" and the homozygous yellow-seeded plant as "YY."

i. When crossing a heterozygous yellow-seeded plant (Yy) with a homozygous yellow-seeded plant (YY), we can set up a Punnett square to determine the possible offspring genotypes:

    Y     Y

y   Yy  Yy

y   YY  YY

ii. The genotypic ratio is 2:2 or 1:1 for the possible offspring genotypes: Yy and YY.

The phenotypic ratio is also 2:2 or 1:1 for the possible offspring phenotypes: yellow-seeded (YY and Yy).

Question 2:

To determine the probability of specific outcomes, we need additional information about the parental genotypes and their inheritance patterns. Please provide the genotypes of the true breeder from F1 and the non-true breeding yellow-seeded plant for a more accurate calculation.

Answer:

D) similar

Explanation:

I think the answer is D because...

First of all, A and B definitely can't be the answer since offsprings inherit some traits from both their parents, so their traits can't be different nor opposite compared to their parents.

Now the reason why I believe choice C is incorrect is because if your traits are the exact same as your parents', you would basically be a clone of them. However, that's not how it works.

An offspring is produced from two parents and their DNA is combined to create an offspring that has SIMILAR traits but not IDENTICAL.

Hopefully this helps :D

Answer: THE ANSWER IS FALSE.

Here's an implementation of the program that calculates the percentage of male and female otters currently in the habitat in Python:

males = int(input("Enter number of males: "))

females = int(input("Enter number of females: "))

total = males + females

percent_males = (males / total) * 100

percent_females = (females / total) * 100

print("Percent males: {:.0f}%".format(percent_males))

print("Percent females: {:.0f}%".format(percent_females))

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Answer: The A, B, and Rh antigens are located on the surface of red blood cells.

Explanation: