The resistance to pumping; the ventricle must overcome this when pumping blood

Answer:

A) An explosion disturbs the gas and dust in the nebula.

Explanation:

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The alternation of generations life cycle of mosses involves the production of gametes by the gametophyte, fertilization to form a zygote, growth of the zygote into the sporophyte phase, production of spores by the sporophyte, and growth of the spores into new gametophytes.

An alternation of generations in plants is a process whereby a plant alternates between two distinct phases: the gametophyte phase and the sporophyte phase.

The gametophyte phase is the dominant phase in the life cycle of mosses. It is the phase in which the plant produces gametes, which are sex cells that fuse to form a zygote,

The sporophyte phase grows out of the gametophyte and is dependent on it for nutrients. It consists of a stalk and a capsule, which contains spores.

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Explanation:

The tongue is defined as a muscular organ, present in mouth that helps in mastication and swallowing of food. ... The front part of the tongue is narrow and thin whereas the back part of the tongue is wide.

Rh blood group system is encoded by three genes C, D and E which occupy 3 tightly linked loci. Option B

The Rh blood group system is typically considered to be encoded by three loci namely; one for RHD, and two for the RhCE (C and E) antigen variations.

The RHD locus is known to encode the D antigen, which is the most important Rh antigen.

The RhCE locus encodes the C and E antigens, which are less common than the D antigen.

The Rh blood group system is important for blood transfusions, as it determines whether or not a person's blood is compatible with another person's blood.

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Answer:

d. all of the above.

Explanation:

Answer:

Humans are unable to digest cellulose, because the appropriate enzymes to breakdown the beta acetal linkages are lacking.

Answer: Cellulose

Correct option is D

Explanation:

The molecular structure of cellulose is composed of linear polysaccharide units different from the starch. Thus the enzymes for starch digestion are present but for cellulose digestion, there is no enzyme present inside our body.

Therefore Man is unable to digest cellulose because the appropriate enzymes to breakdown the beta acetal linkages are lacking.

Answer:

the mitochondria

Explanation:

Lol this is a meme every where

Answer/Explanation:

This process is known as cellular respiration. It is for this reason that mitochondria are often referred to as the powerhouses of the cell. Mitochondria play host to one of the most important processes in your body, called cellular respiration. Taking in glucose and oxygen

Answer:

A) Channel Protein

Explanation:

Channel proteins span the membrane and make hydrophilic tunnels across it, allowing their target molecules to pass through by diffusion.

Channels are very selective and will accept only one type of molecule to transport

A channel protein, a type of transport protein, acts like a pore in the membrane that lets water molecules or small ions through quickly.

The reason why the crow is black can be traced to the presence of melanin pigments poduced by cells known as melanocytes.

The reason that explains why the corw's back is black is the presence of melanin pigments produed by the cells in their skin, hair, and feather. In humans, these pigments are also responsible for the balck color of individuals.

The amount of melanin produced by the body can determine how dark a peron or animal appears. So, melanin os the causative factor for blackness.

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Answer:

C

Explanation:

For example, if we had to control our heart beat the our life would be at risk all the time.

Answer:

reproduction

Explanation:

different traits

Answer:

They break down excess or worn-out cell parts. They may be used to destroy invading viruses and bacteria.

Explanation:

Hope this help :)

The belief that knowledge should be derived from scientific observation is an example of positivism. So the correct option is B.

The scientific study of the social world is known as positivism. Its purpose is to develop abstract and universal principles governing the workings of the social realm. Law means that is a statement concerning the interactions of forces in the cosmos.

Laws must be tested against obtained evidence in a methodical manner according to positivism. Auguste Comte championed positivism as a way of legitimizing the emerging subject of sociology, using Newton's law of gravity as an example.

Therefore the correct option is B.

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Answer:

here u go mate

Explanation:

Iron deficiency anemia is typically caused by a lack of iron in the body, which can be due to a variety of factors such as poor diet, blood loss, or difficulty absorbing iron.

The bryophytes, which include mosses, liverworts, and hornworts, have significant evolutionary significance in the plant kingdom despite their relatively small size and simple structure, they played a crucial role in the colonization of terrestrial environments and the subsequent evolution of higher plants.

Here are some key evolutionary significance of bryophytes:

Adaptation to land: Bryophytes are considered some of the earliest land plants.

They were the first plants to transition from aquatic to terrestrial habitats, paving the way for the colonization of land by other plant groups.

They developed strategies to overcome challenges such as desiccation, limited nutrients, and anchorage to the soil.

Moisture retention: Bryophytes have adaptations that enable them to retain moisture.

They possess specialized structures, such as rhizoids and mucilage, that help absorb and retain water.

This ability to retain water and survive in relatively dry environments was an important adaptation for the conquest of land.

Soil formation: Bryophytes, especially mosses, contribute to soil formation.

They can grow on bare rocks and soil, where their rhizoids aid in weathering and breaking down substrates.

Their decomposed remains also contribute organic matter to the soil, enriching its fertility.

Habitat creation: Bryophytes provide habitat and microenvironments for other organisms.

Their dense mats or cushions create shelter, moisture, and temperature buffering for a variety of organisms, including insects, small invertebrates, and microorganisms.

They contribute to the overall biodiversity and ecosystem functioning.

Reproductive strategies: Bryophytes have unique reproductive strategies. They produce spores that can disperse and colonize new habitats.

Their reproductive structures, such as gametophores and sporophytes, exhibit various adaptations that allowed for successful reproduction in terrestrial environments.

Ecological indicators: Bryophytes are sensitive to environmental changes, making them valuable ecological indicators.

Their presence, abundance, and diversity can indicate environmental conditions such as air quality, moisture levels, and habitat disturbance.

Monitoring bryophytes can provide insights into the health and integrity of ecosystems.

Overall, bryophytes played a crucial role in the evolution and colonization of land by plants.

Their adaptations, ecological roles, and evolutionary history make them important subjects of study for understanding plant evolution, ecosystem dynamics, and the colonization of terrestrial environments.

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The bryophytes, which include mosses, liverworts, and hornworts, have significant evolutionary significance in the plant kingdom despite their relatively small size and simple structure, they played a crucial role in the colonization of terrestrial environments and the subsequent evolution of higher plants.

Here are some key evolutionary significance of bryophytes:

Adaptation to land: Bryophytes are considered some of the earliest land plants.

They were the first plants to transition from aquatic to terrestrial habitats, paving the way for the colonization of land by other plant groups.

They developed strategies to overcome challenges such as desiccation, limited nutrients, and anchorage to the soil.

Moisture retention: Bryophytes have adaptations that enable them to retain moisture.

They possess specialized structures, such as rhizoids and mucilage, that help absorb and retain water.

This ability to retain water and survive in relatively dry environments was an important adaptation for the conquest of land.

Soil formation: Bryophytes, especially mosses, contribute to soil formation.

They can grow on bare rocks and soil, where their rhizoids aid in weathering and breaking down substrates.

Their decomposed remains also contribute organic matter to the soil, enriching its fertility.

Habitat creation: Bryophytes provide habitat and microenvironments for other organisms.

Their dense mats or cushions create shelter, moisture, and temperature buffering for a variety of organisms, including insects, small invertebrates, and microorganisms.

They contribute to the overall biodiversity and ecosystem functioning.

Reproductive strategies: Bryophytes have unique reproductive strategies. They produce spores that can disperse and colonize new habitats.

Their reproductive structures, such as gametophores and sporophytes, exhibit various adaptations that allowed for successful reproduction in terrestrial environments.

Ecological indicators: Bryophytes are sensitive to environmental changes, making them valuable ecological indicators.

Their presence, abundance, and diversity can indicate environmental conditions such as air quality, moisture levels, and habitat disturbance.

Monitoring bryophytes can provide insights into the health and integrity of ecosystems.

Overall, bryophytes played a crucial role in the evolution and colonization of land by plants.

Their adaptations, ecological roles, and evolutionary history make them important subjects of study for understanding plant evolution, ecosystem dynamics, and the colonization of terrestrial environments.

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Answer:

H

Explanation:

Cellar respiration uses oxygen and release carbondioxide, while photosynthesis uses carbondioxide and release oxygen.

Answer:

transcription or translation

Explanation:

well we can eliminate amino acid immediately and and anti-condon I would go for transcription but it could be translation

Answer:

an observed inference

The correct answer is the second one, educated guess.

Answer: insertion and error occurs during the process meiosis.

The pollution can be prevented from getting back into the environment by settling out of solid waste.

The treatment of water is a very important part of the supply of water in any municipality. The aim of the treatment of water is both to remove the contaminants in the water and also to improve the other characteristic such as the smell and the odor of the water.

It is also important to avoid the reentry of waste products into the environment as this is going to cause the flow of waste across the ecosystem and cause a lot of damage even to organisms that are far away from the point of the pollution.

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Answer:

Depends...

Explanation:

You need to include more information regarding the question. If the question is referring to the roots of the plant then the answer would be water. If the questions asks about the area of the leaves/amount of leaves then it would be sunlight. If the question is talking about stomatal pores then it would be carbon dioxide.

Hope this helps,

H.M.

In the mesosphere, temperatures generally decrease with increasing altitude and may range from about -90°C (-130°F) to -120°C (-184°F).

The mesosphere is described as  the third layer of the atmosphere, directly above the stratosphere and directly below the thermosphere.

The average temperatures in the mesosphere range from roughly -90°C (-130°F) to -120°C (-184°F).

However, temperatures can fluctuate based on location, time of year, and other factors.

The mesosphere is one of the coldest parts of the Earth's atmosphere due to these extraordinarily low temperatures.

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Answer:

The protist is likely photosynthetic and uses its flagella for movement.

Answer:

adhesion is the property that causes surface tension

Answer: Molecule

Explanation:

Answer:

The complete glycolysis and citric acid cycle pathway is shown in diagram.

# Reactions of glycolysis that –

I. Consumes ATP       = 1, 3

II. Produces ATP        = 7, 10

III. Consumes NAD+ and produces NADH = 6

IV. Consumes FAD and produces FADH2 = none

# Reactions of TCA that –

I. Consumes ATP       = none

II. Produces ATP        = 6

III. Consumes NAD+ and produces NADH = 4, 5, 9

IV. Consumes FAD and produces FADH2 = 7

Explanation:

mRNA of the mutated DNA: UGACUGCAGCUU (in bold is the second codon)

If the mRNA has a mutation by a deletion on the first base pair of the second codon, the sequence produced will be UGA-UGC-AGC-UU. The second codon is originally CUG but with the deletion, C is left out.

ANSWER: B.

Answer:

The force of surface tension in the lungs is so great that without something to reduce the surface tension, the airways would collapse after exhalation, making re-inflation during inhalation much more difficult and less effective. Collapse of the lungs is called alectasis.

Explanation:

Answer:

Yes it does help

Explanation:

When a student has breakfast in the morning it helps their mind process things clearly. It makes your body more relaxed and not stressed so when a complicated problem comes to hand, they have a better chance at figuring it out.

Answer:

The nucleus is removed from an unfertilised egg cell. the nucleus from an adult body cell, such as a skin cell, is inserted into the egg cell. an electric shock stimulates the egg cell to divide to form an embryo. these embryo cells contain the same genetic information as the adult skin cell.

Explanation: