The amount of blood ejected from the ventricle in a single contraction is called

Blood cells are red, squishy, rounded, and have an indentation in them in the middle. Plant cells are green and firm and have a more square, boxy shape. Plant cells are larger than blood cells.

Plant cell is different in size, colour and shape from blood cell.

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Answer:

A chemical's physical state and the route of exposure influence toxicity. ... Inhalation exposure also allows some rapid entry into the systemic circulation, causing toxic effects distant from the entry route.

Explanation:

Answer:

The nervous system is made up of the central nervous system and the peripheral nervous system

Explanation:

The central nervous system includes the brain and spinal cord. The peripheral nervous system includes the nerves that run throughout the whole body.

DNA replication is the duplication of the molecule, which occurs during the interphase. This is a semi-conservative process in which different enzymes are needed to grow a new strand complementing the old strand.

Eukaryotic DNA replication is the process through which a DNI molecule duplicates. This event takes place during the S stage of the interphase. So when the cell divides during mitosis or meiosis, each cell will get a complete set of chromosomes.

DNI replication is semi-conservative because each new molecule carries an original DNI strand and a new one. The fact that the new molecule is composed of an original strand makes it semi-conservative. The old existing strands are used to synthesize the new complementary strand.

The origin of the replication requires,

DNA strands are antiparallel, and replication occurs only in 5'-3'direction. So one of the strands will replicate continuously, while the other strain will be formed by short fragments known as Okazaki fragments.

Primers are needed to make the DNA polymerase work. Primers are small units of RNA and are placed at the beginning of each new fragment.

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Answer:

a. RNA does not base pair and therefore cannot be replicated.

Answer:

C: 6 CO, + 6 H,0 - CgH1206 + 6 O,

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Title: Effects of Mindfulness-Based Interventions on Stress and Anxiety in College Students: A Meta-Analysis

Background: Mindfulness-based interventions (MBIs) have been increasingly used to address stress and anxiety in college students. However, the effectiveness of these interventions remains unclear. This meta-analysis aimed to evaluate the effects of MBIs on stress and anxiety in college students.

Methods: A systematic literature search was conducted, and a total of 12 studies were included in this meta-analysis. The quality of the studies was assessed using the Cochrane Risk of Bias tool. A random-effects model was used to estimate the effect sizes of MBIs on stress and anxiety.

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Answer:

The correct answer is - b. Original: G C A T T A A C G A C A  

Explanation:

Point mutation is the mutation where change takes place in one of the nucleotides or single base by one of three ways that are insertion, deletion, or substitution of the nucleotide. In insertion, one extra single base is added to the original sequence, In the deletion one of the single base pair is deleted from the single sequence, and in substitution one base is switched with the complementary base.

In all the options, there are more than nucleotide is altered except option B where T is altered with A and cause mutation.

Original sequence: G C A T T A A C G A C A

mutated sequence: G C A A T A A C G A C A

Answer:

People feel satisfaction from having completed a behavior

Answer:

1.)Cathode rays are charged particles called corpuscles.

2) These corpuscles are the constituents of the atom.

3) They are the only constituents.

Explanation:Hope This Helps

Answer:

Lol

Explanation:

Answer:

Our of the cell

Explanation:

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Scientists sometimes make discoveries that lead to a need for new laws. the big idea of biology do these situations illustrate in biological systems.

A biological system is a group of organs working together to perform a not unusual characteristic. as an example, the muscular gadget is worried about movement, the skeletal gadget gives safety and assistance, and the circulatory system offers nutrients and waste to and from the cells of the body.

Organic structures are the breathing system, digestive system, and circulatory gadget. The human frame includes the subsequent structures: respiration machine – liable for one of the crucial features in any living organism, respiratory, and gas trade.

A biological system is a complex network that connects numerous biologically relevant entities. the organic company spans numerous scales and is decided based on totally special systems.

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ANSWER:

The answer is A. swallowing

The flexibility of spider silk determined by the structure of its molecules is quite strong.

The components that make up spider silk are what give it its flexibility. Proteins called fibroins, which are made up of amino acids organised in a certain sequence, make up spider silk. The arrangement of amino acids in fibroin proteins results in a helical structure, which is held together by hydrogen bonds between the amino acids.

The fibroin protein chain's exact arrangement of amino acids and hydrogen bonds produces a special blend of strength and flexibility. The silk is flexible enough to stretch and absorb energy without breaking and robust enough to resist significant stress. Spider silk is a fantastic material for many uses, including clothes, medical equipment, and even bulletproof vests, thanks to its unique mix of qualities.

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Explanation:

Due to lack of O2, the lungs will start breathing anaerobically i.e; without oxygen this may lead to cramps

Answer:

Due to lack of O2, the lungs will start breathing anaerobically

i.e.; without oxygen. This may lead to cramps.

Answer:

An animal cell after being filled by osmosis is called a solution, and because of that the animal cell will burst up by being filled with water and lyse :3

Explanation:

:3

Interaction between species is called parasitism, as option D shows.

A parasite is a living being that takes advantage of another living being's resources, stealing them completely. An example of this is the strangler fig which uses the structure of another plant to get sunlight and nutrients.

The strangler fig does not supply the host plant with anything, but absorbs its nutrients and prevents it from receiving sunlight, causing it to slowly die.

In this case, we can see a clear example of parasitism.

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The Earth's older, denser, and thicker crust located on the seafloor is the  the furthest away from the center of mid-ocean ridges and is denoted as option A.

This is referred to as the outermost layer of the terrestrial planet and consists of young and old ones depending on their location from the mid-ocean ridges.

The Earth's older, denser, and thicker crust located on the seafloor is the  the furthest away from the center of mid-ocean ridges and is located around subduction zones and continental shelves while the young and less dense crust are closer which is therefore the reason why option A was chosen as the correct choice.

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Answer:

3m/s²

Explanation:

a = v - u/t

Where;

a = acceleration (m/s²)

v = final velocity (m/s)

u = initial velocity (m/s)

t = time (s)

According to this question, a car is said to accelerate from 4 m/s to 16m/s in 4 seconds. This means that;

v = 16m/s

u = 4m/s

t = 4s

a = 16 - 4/4

a = 12/4

a = 3m/s²

Answer:

here.

Explanation:

Benefits would be that we'd be autotrophs, meaning that we'd be independent of an external source of organic compounds for energy. All we'd need is the sun and carbon dioxide. It's a simpler and less energy-consuming process than having to undergo digestion, absorption and then assimilation.

Cons would include the fact that it provides a very limited amount of energy only for the day. Which means humans will be inactive at the night time because the energy won't be able to support our activities. Since we don't have a surface area as big as leaves, our deep cells (like those of our organs and bones) will suffer most from the lack of energy since sunlight cannot penetrate our fat, muscles and bones. This can cause organ failure if our cells solely depended on diffusion.

Our high metabolic rate and our need for energy makes photosynthesis very very ineffective.

There are various layers that make up the atmosphere, and each has distinct properties and functions. Both weather generation and energy transmission take place in the troposphere, which is closest to the Earth's surface.

The stratosphere shields the Earth from damaging UV radiation along with the ozone layer. Most auroras happen in the mesosphere, where meteors burn up. Modern technology is dependent on the thermosphere, where the majority of the Earth's satellites orbit and where communication signals are sent.

The dynamics of the atmosphere and its interactions with the hydrosphere and lithosphere are better understood thanks to these layers. Foreseeing and minimising environmental problems like climate change and preserving our world, it is essential to understand the significance of each layer.

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The hierarchy of biological organization are organized from the only to maximum complicated are: Organelle, cells, tissues, organs, organ systems, organisms.

It is of complicated organic systems that shape living matters divided into discrete tiers. It starts off evolved with atoms that come collectively to shape molecules that shape organelles of a cell , that shape a cell , that shape a tissue, that shape an organ, that shape an organ gadget, that shape a dwelling organism inclusive of a human.

The hierarchy of biological organization of organisation of living matters organized from the only to maximum complicated are: Organelle, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystem, and biosphere.

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Answer:

It is denser when frozen than when liquid.

Explanation:

Ice is actually less dense than water. The lattice arrangement of ice allows water molecules to be more spread out than in a liquid, making ice less dense than water.

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Answer:

pituitary and adrenal

Answer:

25% type A, 25% type B, 25% type AB, 25% type O

If you put it into a punnett square:

          B                  O

A        AB                 AO

O       BO                 OO

you get 25% for each phenotype

Answer:

i don't

Explanation:

i don't pay attention in class

Answer:

The third-most biodiverse nation in the world is South Africa. It is recognized for having a high endemism rate and is home to more than 95,000 identified species. In addition, the nation is home to a wide variety of biomes, including forests, deserts, estuaries, and marine ecosystems.

Explanation:

Answer:

B. plants cells have chloroplasts

Explanation:

..

DNA found in cytoplasm is correctly pairs a structure in a eukaryotic cell with its description. Thus, option B is correct.

Eukaryotes (or Eukaryota) are a domain grouping all unicellular or multicellular organisms that are characterized by the presence of a nucleus and usually mitochondria in their cells.

He opposes the domains of Eubacteria and Archaea.Eukaryotes gather four great kingdoms of the living world: animals, mushrooms, plants and protists (or protozoa).

Eukaryotes are organisms whose cells have a nucleus enclosed within membranes. All protists, fungi, plants and animals such as yeasts, fungi, Protozoa and Plant cells are examples of eukaryotes. While prokaryote is a unicellular organism that lacks a membrane-bound nucleus, or any other membrane-bound organelle. Bacteria and blue-green algae are examples of prokaryotic cells.

Therefore, DNA found in cytoplasm is correctly pairs a structure in a eukaryotic cell with its description. Thus, option B is correct.

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Answer:

They help transport glucose into the brain, clean the brain of excess chemicals and may even affect the intensity of the neurons' communications

they helo transport glucose into brain clean the brain of excess chemicals and may even affect the intensity of the neurons communications because these cells are not surrounded by white myelin , they take on the natural grayish color of the neurons and glial cells.