WORTH 30 POINTS!!!!

FOR THIS QUESTION YOU MUST INCLUDE THE FOLLOWING:

- Claim/ statement

- Evidence (data observations from science facts or diagram models)

- Reasoning (connect the evidence to the claim and diss use the relationship between the two)

There is a small amount of NAD+ made by a cell. If oxygen is not present, pyruvate becomes the final electron acceptor thus allowing for the recycling of NAD+.

QUESTION: EXPLAIN how using pyruvate as the final electron acceptor in an anaerobic process allows for the recycling of NAD+.

Mendel chose the pea, one of many species, to study because the plants and seeds exhibit a variety of distinctive characteristics that appear in two readily recognizable forms (e.g., seed shape is round or wrinkled; plant height is tall or short).

George Mendel, the father of genetics, chose pea plants for his genetic experiments for a variety of reasons, including

• Garden plants are simple to grow.

• Pea plant blooms are hermaphrodites, which means they exhibit traits of both sexes.

• Plants of the pure breed can be easily obtained through self-fertilization.

• Pea plants produce more quickly than other plants.

• They have a high rate of survival and remarkable disease resistance.

Gregor Mendel's research on pea plants led him to the fundamental ideas of inheritance. He came to the idea that genes are passed down from each parent as unique, paired units.

Mendel observed how parental genes separated and if they showed up as dominant or recessive qualities in the offspring. Gregor Mendel experimented with hybridization on about 29,000 pea plants. Mendel found that peas were the perfect subject since they possessed seven easily observable features that he could control. He set up two settings before starting his pea studies.

As a result, we can infer that Mendel chose the pea as the species to study out of all the others since it has a diversity of distinguishing traits in both its plants and seeds.

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Answer:

Is that something in the brain or skin?

Explanation:

Answer:

Sorry

Explanation:

Answer:

The human population is shaped by limiting factors just like any other population. Limiting factors include space, food, water, disease, oxygen, and temperature. Throughout history, we can see how human settlement, population, and growth has developed to make optimal use of the resources that were available to society. Paying attention to which resources are growing scarcer, which factors are becoming more prevalent, and what society is doing to adapt to the natural changes driven by time and populational development can help us predict future changes that humanity will have to fight or adapt to (such as food and fuel scarcity, as well as increasingly common pandemics that occur as the result of direct and indirect human-caused genetic modification of bacteria and viruses).

Explanation:

Answer:  Heart

Explanation:  As a hollow, muscular pump, its main function is to propel blood throughout the body correctly

Answer:

Heart

Explanation:

Took the test!

The energy is related to the change of state represented by the model by: D. Atoms lose energy as a gas changes to a liquid.

A model of the transition from a gas to a liquid is shown in the accompanying image. It demonstrates how atoms or molecules change from being widely scattered as in a gas to being concentrated as in a liquid.

The atoms in this process move from a higher-energy state  to a lower-energy state releasing or losing energy in the process. The most common kind of energy loss is heat.

Therefore the correct option is d.

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Answer:

Explanation:

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The depressed area labeled by the letter D is occupied by a muscle.

The area in question corresponds to the iliac fossa. The iliac fossa is a large, concave surface on the internal side of the ilium bone. Residing in this space is a very large muscle known as the psoas iliacus muscle. Also known as the Iliopsoas muscle, it is a long, thick muscle that provides support for the front of the hip, among many other functions.

Tendons and ligaments are not found within the iliac fossa given that they correspond to joints and muscle insertions, and although a muscle is found in this space, it does not insert itself there. Within this fossa, we can also find nerves, however, due to its large size, the Iliopsoas muscle is the most likely element amongst the options listed to be found in the iliac fossa that is marked by the letter D.

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1. The filled table based on the information already there is attached below.

2. The percentage of heterozygous tasters in the class is 39%.

2. The percentage of heterozygous tasters (2pq) in the class:

The percentage of heterozygous tasters in the class is 39%. This can be calculated by taking the number of heterozygous tasters (11) and dividing it by the total number of people in the class (28).

(11 / 28) × 100 = 39%

The percentage of heterozygous tasters in the North American population is 55%. This can be calculated by taking the number of heterozygous tasters (75) and dividing it by the total number of people in the North American population (135).

(75 / 135) × 100 = 55%

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Answer:

A lot of sunlight

Explanation:

Although taigas and tundra's have colder climates, they receive a lot of indirect sunlight. Tropical rainforests receive a lot of sunlight as well.

Science teachers consider practical sciences to be a valuable component of science education for several reasons:

Hands-on Learning: Practical sciences provide students with the opportunity to engage in hands-on learning experiences. This approach allows students to actively explore and manipulate materials, conduct experiments, and make observations.

Example: In a biology class, students may conduct a dissection of a preserved specimen to study the anatomy and structure of organisms. By physically dissecting and examining the different organs and systems, students gain a tangible understanding of the subject matter.

Application of Theory: Practical sciences enable students to apply theoretical knowledge acquired in the classroom to real-world situations. By engaging in practical activities, students can bridge the gap between abstract concepts and their practical applications, fostering a more comprehensive understanding of scientific principles.

Example: In a chemistry class, students might perform experiments to understand chemical reactions and concepts like stoichiometry. By actually mixing and observing different substances, measuring quantities, and analyzing the results, students can see how theoretical concepts translate into practical applications.

Development of Scientific Skills: Practical sciences help students develop essential scientific skills, such as critical thinking, problem-solving, observation, data analysis, and communication. Through practical activities, students learn to formulate hypotheses, design experiments, collect and analyze data, draw conclusions, and communicate their findings effectively.

Example: In a physics class, students could design and conduct an experiment to investigate the relationship between force and motion. By planning the experiment, taking measurements, analyzing the data, and presenting their findings, students enhance their scientific skills and develop a deeper understanding of physics concepts.

Engagement and Motivation: Practical sciences often increase student engagement and motivation in science education. Hands-on activities provide a more interactive and dynamic learning environment, making science more interesting and accessible to students. It can spark curiosity, promote active participation, and cultivate a sense of wonder and excitement about the natural world.

Example: In an environmental science class, students may visit a local ecosystem to conduct field observations, collect samples, and analyze the data they gather. By immersing themselves in the real environment and actively participating in the scientific process, students are more likely to be motivated and engaged in their learning.

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Answer:

Great way in which to lose weight!

Inclusion of vegetable portions into your dinner plate such that it is two times the size of meat portion is a great strategy to:

C. lose weight

Note the following facts about Vegetables:

Therefore, inclusion of vegetable portions into your dinner plate such that it is two times the size of meat portion is a great strategy to:

C. lose weight

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Answer:

Replication

Explanation:

The copying of DNA is called DNA replication. The steps of DNA replication are the opening of the double helix and separation of the DNA strands, the priming of the template strand, and the assembly of the new DNA segment.

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During metamorphosis, an animal passes through phases and transforms into a different form or shape while for humans their shape and form conserved as they move from adolescence to adulthood and old life.

Metamorphosis, which involves abrupt and continual changes to an animal's body during the course of its life cycle from a larva to an adult, is referred to as animal development.

Mammals typically age gradually, It is managed by the cells' secretion of hormones, keeping their shape and form as they transition from adolescence to adulthood and old life. However, during metamorphosis, an animal passes through those phases and transforms into a different form or shape.

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Answer:

The sound waves it can travel through the wind

Answer:

When the egg was soaked in different liquids, it reached a size of 4cm because the water molecules were transported to areas with low water concentration. This type of transport is passive because the water moves from a place of low concentration and does not require energy.

(I don't know what your hypothesis is and not quite sure what the last one means)

Explanation:

hope this helps

Hi dude ligma My hand

Answer:

epigenetic changes are reversible and do not change your DNA sequence.

Explanation:

A tiny electric message moves through a long part of a brain cell called the axon. When a message goes to the end of a nerve, it sends chemicals called neurotransmitters. These substances move through a tiny gap and attach to special parts of another nerve cell's outer covering.

Messages called impulses are sent from one nerve cell to another through a connection called a synapse. This process is called synaptic transmission. Synapses are connections between nerve cells or between nerve cells and other cells, like muscles or glands.

The neuron sending the signal is called the presynaptic neuron. When a signal travels down a nerve cell, it causes little sacs called vesicles to release chemicals called neurotransmitters.

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All matter in an ecosystem has to be used repeatedly

Matter in an ecosystem is constantly cycled and reused to support life. For example, plants take in carbon dioxide and release oxygen, while animals take in oxygen and release carbon dioxide. Nutrients from dead organisms are also recycled by decomposers and used by other organisms.

If matter in an ecosystem is used only once, it would quickly become depleted, leading to a collapse of the ecosystem. This is because new matter cannot be created, so all the matter that exists must be recycled and reused to support life.

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A scatter plot is used to display a correlation between two continuous variables, as shown in the given problem. A line of best fit is a straight line that passes through most of the data points in a scatter plot, indicating the direction and strength of the relationship between the two variables.

In order to determine the line of best fit in a scatter plot, one needs to draw a line that best represents the overall pattern of the data points. To illustrate, one might consider the following three graphs:In the first graph, the line of best fit is relatively flat, indicating a weak correlation between the two variables. This means that weight does not increase or decrease in direct proportion to height, but rather varies more independently.In the second graph, the line of best fit is more diagonal, indicating a stronger correlation between height and weight.

This means that as height increases, weight also tends to increase, although the relationship is not necessarily linear.In the third graph, the line of best fit is steep, indicating a very strong correlation between the two variables. This means that as height increases, weight tends to increase at a faster rate.

The answer to the given question would depend on the slope of the line of best fit in the scatter plot provided. However, it is not possible to determine this without the scatter plot itself. In this case, the line of best fit would be a good predictor of weight given height.

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Answer: it’s b

Explanation: the one starting from 130 and going up

Answer:

The term "genetics" wasn't even coined until 1905, long after Darwin's death in 1882. And though the first fossil recognized as an ancient human—dubbed Neanderthal Man—was discovered in Germany just before Origin was published, he could not have known about the broad and varied family tree of ancestral humans.

Explanation:

hope this helps

Answer:

option 4 is the correct answer of the given statement

The natural process that the illustration models would be erosion.

Is a process by which the topmost soil of an area gets removed.

Erosion of topmost soils can be removed by water or by the wind.

When erosion is caused by water, it is called water erosion. If it is by wind, it is called wind erosion.

Thus, the blowing away of flour on a tray filled with flour by a fan is a way of demonstrating how wind erosion of soils works.

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Answer:

repetetion and instrument

Answer:

1. The cells grew because of cell division. (One cell doubles by two)

2. The G stands for Growth

3. Circle the little purple things

Answer:

1901

Explanation:

Answer:

Within the food chain energy can be passed and transferred from one organism to another. Whilst mammals get their energy sources from food – whether this be eating other animals or eating vegetation; plants get their energy from photosynthesis.

Energy is passed between organisms through the food chain. Food chains start with producers. They are eaten by primary consumers which are in turn eaten by secondary consumers.

They are then eaten by tertiary consumers and in a long food day these can be eaten by quaternary consumers. Each stage of a food chain is called a trophic level.

When food chains are linked together they form a food web.

So how does all this energy get into the food web, and how is it then distributed between organisms?

Plants harvest their energy from the sun during photosynthesis. This energy can then be passed from one organism to another in the food chain.

The organism that obtains energy from sunlight is called the producer. Often these are plants but in some circumstances it can be bacteria.

Even though it is producers that bring energy into the food chain from the sun it is consumers that make up the majority of the food chain. These can be predators, scavengers and parasites.

When a plant is eaten by a primary consumer, only 10% of the energy is passed on.

The low percentage of transferred energy can be attributed to different reasons like some of the organism not being eaten, incomplete digestion of the eaten organism, energy lost in excretory processes or energy lost as heat.

Consumers pass 20% of their energy onto other consumers. This is because they are more efficient than plants at passing on the energy. A lot of the energy is lost in excretion and some is lost in trying to maintain a constant body temperature.

When producers or consumers die they will be fed on by decomposers. Decomposers break complex materials into simple components after producers and consumers die, using up the energy they contain. In this way, minerals and elements needed by plants are released in a form that can be absorbed by them.

Sometimes there are plants that need to be killed. Herbicides will kill plants. However, they need to be used carefully as they could cause damage to plants you do not want to kill.

If you are wanting to get rid of pests (organisms that compete with humans for food and space) you would use pesticides or biological controls.

Pesticides are chemicals that are poisonous to pests. You can also use biological controls (other organisms) to get rid of pests. The organisms used as biological control are normally either predators or parasites of the pest organism. An example of this type of control is the ladybird, which feeds off aphids. Aphids can cause severe damage to crops.

However biological controls often act slower than pesticides. Also they can be bad as the organism itself may become the pest in time.

In the cause of transferring energy in animals, many farmers will restrict movement so that less energy is lost. In turn this energy can be transferred into body mass.

Also, the environment can be kept warm to reduce heat loss from the body.

Answer:

C. Evaporation and transpiration

Explanation:

The given statement "During the light reactions, ATP is produced by chemiosmosis through an electron transport chain" is true.

During the light reactions of photosynthesis, light energy is absorbed by chlorophyll and converted into chemical energy in the form of ATP through a process called chemiosmosis. In this process, an electron transport chain (ETC) is established across the thylakoid membrane of the chloroplast. As electrons pass through the ETC, protons are pumped from the stroma into the thylakoid space, creating a proton gradient.

This process is essential for the production of ATP, which is the energy currency of the cell, and is used in a variety of cellular processes, such as cell division, DNA replication, and protein synthesis. The light reactions of photosynthesis are a crucial step in the process of photosynthesis and provide the energy needed for the Calvin cycle, which converts CO2 into organic compounds.

Therefore, the given statement is true.

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