1. Energy is the
O weight calculated with the gravitational force
O ability to do work
O mass in a given volume
O circumference divided by 3.14

Answer:

Rohan

Explanation:

Energy is needed for our daily activity and this is gotten after food eaten had been broken down to release glucose a form of sugar that supplies energy it is mostly gotten from carbohydrate food.

Rohan ordering for plain glucose solution is right this is because it doesn't require further breakdown for it to start it working process in the body while Rajeev who takes mango juice will take a while for energy to absorb from the juice.

Explanation Worked out

The correct answer as to which statistical test determines if variables are related by finding trends in data would be correlation coefficient. The correct option would therefore be B.

Therefore, the relationship between variables is measured by the statistical measure known as correlation and represented by the correlation coefficient (r).

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Answer:

but they actually never really stopped. Mammals began to evolve from egg-laying reptiles around 200 million years ago. ... Their eggs are rather leathery and the females don't have nipples, but 'sweat' milk instead from a patch on their belly.

Explanation:

Answer: A = central nervous system B = peripheral

Explanation:

:) hope it helps

Answer:

Telophase is the last period of ‘mitosis’ .its a process.

during this process mutation/one or more material is being separated.

Proteins that are embedded forms around each set of chromosomes (a threadlike structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes.). This happens to separate Nuclear DNA (nDNA), or nuclear deoxyribonucleic acid from the cytoplasm.

hope this helps.

Explanation:

The main answer to your question is: (b) all spiders are not haematophagous.

Spiders are known for being predators, venomous, and having eight legs.

However, not all spiders are haematophagous, which means feeding on blood. In fact, most spiders primarily consume insects and other small creatures.
Not all spiders are haematophagous, meaning they do not all feed on blood.

Summary: Among the options provided, the statement that is not true about all spiders is that they are haematophagous.

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The Frank-Starling law of the heart states that the force of contraction of the cardiac muscle is directly related to the initial length or stretch of the muscle fibers. In simpler terms, when the cardiac muscle is stretched, it contracts more forcefully.

The cardiac muscle fibers have an inherent property that enables them to generate greater force when they are stretched. This property is due to the increased overlap of actin and myosin filaments within the muscle fibers when they are elongated. When the muscle fibers are stretched, the actin and myosin filaments have a more optimal arrangement, allowing for stronger and more efficient muscle contractions.

Now, let's discuss how the Frank-Starling law allows for the matching of venous return and stroke volume. The stroke volume refers to the amount of blood pumped out of the heart with each heartbeat, while venous return refers to the amount of blood flowing back to the heart from the veins.

According to the Frank-Starling law, the initial length or stretch of the cardiac muscle fibers, known as the end-diastolic volume (EDV), determines the force of contraction. When there is an increase in venous return, more blood fills the heart during diastole, leading to an increase in the EDV. This increased volume stretches the muscle fibers of the heart.

The stretched muscle fibers, in turn, generate a more forceful contraction during systole, leading to a larger stroke volume. This increased stroke volume effectively matches the increased venous return, maintaining the balance between the amount of blood entering the heart and the amount of blood pumped out.

It's important to note that the Frank-Starling law is influenced by two other factors: preload and afterload. Preload refers to the degree of stretch of the cardiac muscle fibers before contraction, primarily determined by the volume of blood in the ventricles at the end of diastole. Afterload, on the other hand, refers to the resistance the heart must overcome to eject blood during systole, usually represented by the pressure in the aorta.

The relationship between preload, afterload, and stroke volume is depicted by the Starling curves. These curves illustrate how changes in preload (EDV) can affect stroke volume. When preload increases, the Starling curve shifts upward, indicating an increase in stroke volume. However, if afterload increases (such as in conditions like hypertension), the curve shifts downward, reducing the stroke volume.

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Answer:

the answer is D:)

Explanation:

it is easy to store safetly and distribute globally.

Good luck on your test!

Answer:

1) Monera

2) Protista

3) Fungi

4) Plantae

5) Animalia

Answer:

As light intensity increases (distance between lamp and plant decreases) the volume of oxygen (or the rate of bubble production) increases. This indicates that the rate of photosynthesis increases with light intensity. However, at sufficiently high levels of light intensity, the rate oxygen evolution remains constant.

Explanation:

Answer:

If the solution is hypotonic to the cell, it means that the concentration of solutes in the solution is lower than the concentration of solutes inside the cell. As a result, water will move from the hypotonic solution into the cell in an attempt to equalize the concentration of solutes on both sides of the cell membrane. This process is called osmosis, and it can cause the cell to swell and possibly even burst if the influx of water is not balanced by the cell's mechanisms to regulate water uptake.

Answer:

Flash Cards

Explanation:

Flashcards are great for memorization because they provide a simple and efficient way to review and retain information. They present information in a concise, easy-to-digest format, with a question or prompt on one side, and the answer or information on the other side. This format allows for quick and efficient review of the material, making it easy to identify areas of weakness and focus on them. Additionally, flashcards can be organized and sorted by subject matter, making them easy to find and review. By providing a quick and efficient way to review and retain information, flashcards are a great tool for memorization.

Evolution is defined as the genetic change in a population over time, leading to the origin of new species. Individuals who have more significant fitness are more likely to pass on their alleles, therefore increasing the frequency of high fitness alleles, which is natural selection.

Evolution is the phenomenon of genetic change in a population over time, resulting in the emergence of new species. It's an essential concept in biology that helps scientists comprehend how organisms evolve over time. Evolution is caused by different factors such as natural selection, mutation, gene flow, genetic drift, etc.Individuals who have more significant fitness are more likely to pass on their alleles, therefore increasing the frequency of high fitness alleles, which is natural selection.

It is a gradual, consistent process, and it takes millions of years for evolution to occur. There are various pieces of evidence that support evolution, such as vestigial structures, fossil records, DNA sequencing, etc.A vestigial structure is a structure that has lost its function over time. The structure was useful in the organism's ancestors, but it no longer serves any purpose in the present-day organism. An example of a vestigial structure is the human tailbone.

Evolution is the genetic change in a population over time, leading to the emergence of new species. It is caused by different factors such as natural selection, mutation, gene flow, genetic drift, etc. Natural selection is the process in which individuals who have more significant fitness are more likely to pass on their alleles, therefore increasing the frequency of high fitness alleles. A vestigial structure is a structure that has lost its function over time.

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The energy carrying molecules are made in stroma where the calvin cycle takes place.

In photosynthesis, light energy is utilized to cause the photosystem I molecule to make ATP by transferring electrons from chlorophyll to nicotinamide adenine dinucleotide phosphate (NADPH) (Figure 5). In the light-independent processes of photosynthesis, this metabolic energy is utilized to fixation CO2 (Calvin cycle).

The calvin cycle or light independent reaction of photosynthesis happens in the stroma of the Chloroplast. It has certain enzymes that work with NADPH and ATP.

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A gamete with an extra chromosome forming.

A gamete is an animal or plant reproductive cell. Animals' male and female gametes are referred to as sperm and ova, respectively. Each ova and sperm cell has only one copy of each chromosome, making them haploid cells. Gametes, which are also referred to as sex cells, are an entity's reproductive cells. These cells carry one copy of each chromosome and are haploid. While female gametes are known as ova or eggs, male gametes are known as sperms. Meiosis is a process that results in the reproductive cells.

An organism's reproductive cells are called gametes. They are additionally known as sex cells. Male gametes are referred to as sperm, whereas female gametes are known as ova or egg cells.

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The one which would most likely produce a mutation that is passed on to offspring are those gamete with an extra chromosome forming.

This is referred to as a change in the DNA sequence of an organism and it results from errors in DNA replication during cell division.

One of the errors which could occur is the gamete with an extra chromosome forming such as in the case of Klinefelter syndrome which is also known as Klinefelter's, KS or XXY where boys and men are born with an extra X chromosome.

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Answer:

Birds can eat fruit, insects, fish, or small mammals

Explanation:

Louis Pasteur's experiment to disprove the theory of spontaneous generation was crucial in the development of the scientific method. He was required to maintain a few variables to keep the experiment fair. This process involved the use of swan-necked flasks, sterilized broth, and control experiments.

Louis Pasteur's experiments aimed to disprove the spontaneous generation theory by creating a sterile environment, removing all microorganisms that would cause the broth to spoil. He used swan-necked flasks that allowed air to reach the broth but kept the microorganisms out of the broth. It was important for Pasteur to maintain a few variables in the experiment, such as the temperature of the broth, the source of the broth, and the duration of the experiment. Pasteur used boiled meat broth in his experiment as a nutrient source for microorganisms.The use of control experiments was critical to the experiment.

Control experiments were conducted in a similar manner as the experimental groups, but no change was made to the variable being tested. Pasteur kept the control experiments under the same conditions as the experimental group to determine if there was any growth of microorganisms in the control group. If there was no growth in the control group, it would indicate that the results observed in the experimental group were due to the treatment of the experimental group and not because of any variable factor. The control experiment showed that microorganisms do not arise spontaneously, but from pre-existing microorganisms.

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Today, I learned that scarcity refers to the limited availability of resources relative to demand.

In South Africa, the scarcity of water has had significant impacts on people's daily lives, especially in rural areas. Due to limited access to clean water, people often have to travel long distances to collect water or rely on contaminated sources.

This scarcity of water has forced them to make difficult choices between using the water for basic needs like drinking and cooking, or for other purposes like agriculture or hygiene. Personally, the scarcity of time has forced me to make difficult choices between completing different tasks, often leading to prioritization and sacrifice of some activities.

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Answer:In Protostomes (“mouth first”), the mouth develops at the blastopore (Figure 3). In Deuterostomes (“mouth second”), the mouth develops at the other end of the gut (Figure 3) and the anus develops at the site of the blastopore. Protostomes include arthropods, mollusks, and annelids.

Explanation:

Answer: When bacteria are initially exposed to an antibiotic, those most susceptible to the antibiotic will die quickly, leaving any surviving bacteria to pass on their resistant features to succeeding generations.

Explanation: It's basically relating to the Survival of the Fittest and Antibiotics can easily overpower Bacteria.

If the probability value of 0.05 is used in the given situation, the results of the cross can be considered statistically significant and it indicates that the hypothesis that is being tested is not supported by the evidence gathered.

: The chi-Square test is a statistical method that is used to check if the observed data is in agreement with the expected results. It is commonly used to examine the relationship between two categorical variables.A chi-square value of 7.5 indicates that there is a difference between the observed and expected phenotypic ratios that was significant.

Therefore, if the probability value of 0.05 is used, the results of the cross can be considered statistically significant. This means that there is only a 5% chance that the observed data occurred by random chance. Since this is lower than the standard 0.05 significance level, the hypothesis that is being tested is not supported by the evidence gathered.

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The 'Monkeydactyl' which existed 160 million years ago, was the first animal to acquire opposable thumbs.

Evolved Brain is the new trait in gorilla.

The most comparable DNA between any two species is found in humans and chimpanzees.

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