Genes are sections of DNA that contain information to make a protein. Genes can be turned on or off to control the protein production process. If a gene is not turned off, it is possible for too many proteins to be produced. Which of the following may be a benefit of the overproduction of proteins? a Mutated genes may become normal. b Injury repair may occur more quickly. c The cells of an organism may be destroyed. d An organism may develop cancer.

Answer:

C. When running that is the answer

Answer:B.quadrupedalism

Explanation:

Studies today proves that bipedal locomotion evolved from quadrupedalism because it was more energy efficient.

In a research conducted by scientists

4 humans and 4 chimpanzees were made to run on a treadmill, the chimpanzees were trained to walk quadrupedally and bipedally on treadmill. When the results came out humans had used only one quarter of the energy the chimpanzees had used while knuckle walking.

They need to use a microscope

Answer:

The scientist should use an electron microscope.

Explanation:

Answer:

c. Presence of predators

Explanation:

The presence of predators can cause natural selection to occur. In the presence of predators, individuals with advantageous traits such as faster speed, better camouflage, or stronger defenses are more likely to survive and pass on their genes to the next generation. Hence option c is correct.

Natural selection is the process by which certain traits or characteristics become more or less common in a population over time due to their impact on survival and reproduction.

As a result, the frequency of these traits increases in the population, leading to an overall change in the population's genetic makeup.

The mechanism of natural selection was first proposed by Charles Darwin as part of his theory of evolution by natural selection. Darwin observed that individuals in a population vary in their traits, and those with traits that help them survive and reproduce are more likely to pass on their genes to the next generation.

Over time, this can lead to the evolution of new species, as advantageous traits accumulate and become fixed in the population.

Therefore the correct option is C the presence of predators.

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Answer:

Polygyny?  i think i am not sure

it’d be serial monogamy! which is (When mates are monogamous for a single mating system and then will find more or different mates during the following seasons).

I can't see the picture. If you resend the picture then I can answer it.

The answer is D. The moon’s surface reflects sunlight.

The moon appear to shine its own light because the moon's surface reflects sunlight which is in option D as moon does not emit its own light like a star. Instead, it appears to shine because it reflects sunlight.

The intensity of the moon's reflected light can vary depending on factors such as the moon's position in its orbit and the angle at which sunlight hits its surface. This is why the moon appears to change in brightness throughout its lunar cycle, which we observe as the different phases of the moon. It's important to note that the moon's atmosphere is extremely thin compared to Earth's atmosphere, and it does not have the ability to scatter or reflect sunlight in the same way Earth's atmosphere does.

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Answer:

The rock will be old between 360 and 290 million years

Explanation:

If we have fossils from both nautilus and goniatite in the same rock layers, then we can look at the periods in which these two animals lived as a clue about the age of the rocks, thus the animals themselves as well. The nautilus occurs in the fossil records around 410 million years ago, but it is not extinct, in fact it still exists and it is one of the oldest species on the planet. The goniatite has had different story, as it existed for around 70 million years, between 360 and 290 million years ago. We can see from this information that these two organisms coexisted throughout the whole existence of the goniatite, thus the rocks can have an age of anywhere from 360 to 290 million years.

Answer:

The correct list is inner core, outer core, lower mantle, asthenosphere, lithosphere.

Explanation:

Based on Structural features and chemical composition earth surface is divided into different layers. The main layers can be described as,

1. Core

2. Mantle

3. Crust

Core:

The core is further divided into inner core and outer core. The inner core is extremely hot and solid. The outer core is in fluid form and surround the inner core.

Mantle:

The mantle layer is composed of rocks. The earth's mantle is also divided into two main layers Lower mantle and upper mantle.  Asthenosphere is viscous and present just below the rigid lithosphere.

Crust:

Crust is the outermost layer of earth. It is composed of variety of elements. Lithosphere is the part of Crust.  

Answer:

The answer is  1.inner core, 2.outer core,3. lower mantle, 4.asthenosphere, 5.lithosphere

Answer:

Rhizome

Explanation:

Rhizomes are stems that are grown underground

Capable of asexual reproduction (producing an organism identical to the parent)

also produces food (many used in cooking like tumeric and ginger)

Answer:

The correct answers for Plato are 1)B. Rhizome and 2)A. Storing (:

Carbohydrates is 2

Proteins is 4

Fats is 3

Vitamins is 1

Answer:

- Carbohydrates is provide a quick source of energy for cell and tissue.

- Proteins is form tissue, growth factors and hormones

- Fats is form structural components of the cell membrane

- Vitamins is acts as antioxidants

Answer:

Lava plateaus for when a large amount of highly fluid lava flows over an area

Answer:

Lava plateaus form when lava flows over an area

Explanation:

When lava flows over an area a wide flat surface called lava plateau is formed.Lava is molten rocks that are formed deep in the surface of the Earth where temperatures are very high and can melt rocks.The lava can flow to cover a large area of land and solidify to create the plateau.An example is the Colombian plateau in the United States.

Answer:

The main idea in a given piece of reading is implied by the introductory paragraph, and, or several meaning sentences that are in subsequent paragraphs.

Explanation:

The main ideas in the a given piece of work, specifically reading is contained in the first paragraph of the piece of writing. The first paragraph can be used to imply the main ideas in a topic without necessarily revealing it. The first concepts, terms, illusion and characters mentioned, certainly we can deduce the main idea.

Several sentences in paragraphs that carry almost similar, related and interrelated facts, in most cases are very essential in explaining the main idea.  By looking at them in various paragraphs, one is able to find the sole message being communicated.

Final answer:

Fat cells are larger than red blood cells because they store energy as fat, which takes up significant space within the cell, while red blood cells are small and shaped to efficiently transport oxygen.

Explanation:

Fat cells, or adipocytes, are much larger than red blood cells due to their function in the body. Adipocytes are specialized to store energy in the form of fats; they contain large fat droplets that occupy most of the cell's volume. In contrast, red blood cells, or erythrocytes, are designed to maximize their oxygen-carrying capacity. Erythrocytes are small and have a biconcave shape to increase the surface area for oxygen transport. They lack a nucleus and most organelles to provide the maximum space for hemoglobin, the protein that binds to oxygen.

Besides serving as energy reserves, adipose tissue offers insulation from cold temperatures and mechanical protection. The adipose tissue, rich in capillaries, allows for rapid mobilization and storage of fat molecules. In contrast, erythrocytes are designed for a different purpose entirely—they transport oxygen through the blood to various parts of the body and are produced in the marrow of bones, living for about 120 days before they are destroyed.

Answer: DNA evidence

Scientists more accurately estimate the point of divergence in evolutionary relationships using molecular clocks and phylogenetic trees constructed from morphology, fossil records, and genetic data, which can include DNA analysis and protein sequence comparison.

Scientists can estimate more accurately at what point various groups of organisms diverged evolutionarily from one another by using molecular clocks and analyzing phylogenetic trees. Molecular clocks use DNA sequences to estimate relatedness among species and determine when species diverged from a common ancestor. Phylogenetic trees are constructed using combined data from morphology, fossil records, and genetic information. These trees represent hypotheses of evolutionary relationships, and they continue to evolve with new discoveries and data.

By identifying homologous characteristics—traits that are similar due to shared ancestry—scientists can discern evolutionary connections between organisms. Using techniques like cladistics and applying the concept of maximum parsimony, scientists can determine the evolutionary timeline that suggests the simplest and most probable path of divergence.

Comparative data from the fossil record and molecular structures, such as DNA nucleotide sequences or amino acid sequences in proteins, enhance the accuracy of these estimates. Moreover, evolutionary investigations combine morphologic and genetic evidence to uncover the evolutionary history of life forms, contributing to the broader understanding of the 'tree of life.'

Answer:

A Heterotroph derives its nutritional requirements from complex organic substances.

A Autotroph derives its nutritional requirements from simple organic substances.

Explanation:

Answer:

AUTOTROPH: trees, algae carrots

HETEROTROPH: tiger, deer, human

The SI base unit of mass is the kilogram (kg), which was historically based on a physical object but has been redefined in 2019 in terms of the Planck constant to maintain its stability over time. A kilogram is about 2.2 pounds, and a gram is 1/1000th of a kilogram.

The SI base unit of mass is the kilogram (kg). Historically, it was defined by a platinum-iridium cylinder, known as the International Prototype of the Kilogram (IPK), which was stored at the International Bureau of Weights and Measures near Paris. However, in May 2019, the definition was revised and is now based on fixed numerical values of the Planck constant and other fundamental physical constants. This redefinition ensures that the unit will remain stable over time, unlike the IPK which could lose or gain atoms, and thus mass, over time.

Laboratories commonly use balances for measuring mass, which must be calibrated using a standard mass to ensure accuracy. The kilogram is pivotal in making mass comparisons because all other masses are ultimately compared to it. As of 2019, with the advancement in science and technology, a more accurate way of defining a kilogram using the Kibble balance and Planck's constant has been adopted.

A kilogram is equivalent to about 2.2 pounds, and a gram is exactly 1/1000th (10-3) of a kilogram. These measurements fall under the metric system widely used in scientific and engineering contexts.

Answer:

High and low tides are caused by the moons gravitational pull on the earth.

Explanation:

Hope i helped you.

They are caused by the moons gravitational pull

Answer: C. Coatis will eat more figs.

Explanation:

A food chain is a sequence of distribution of energy in the form of food. In a food chain one organism is consumed by another organism. A food web forms when two or more food chains are interlinked.

According to the given food web, the strangler fig is eaten by the beetles and coatis. If the population of beetles declines the competition for the same source of food that is strangler fig will reduce between the two species of beetles and coatis. Hence, coatis will eat more figs if the population of beetle decline or drop.  

Answer:

Coatis will eat more figs

Explanation:

Answer:

Option (C)

Explanation:

When many trees are removed from any area, the area becomes dry and gets adversely affected. Due to the lesser amount of trees, the area will evaporate more due to its dry and increasing temperature, as a result of which there will be more precipitation. This precipitation will lead to more amount of surface runoff over the area. So the transpiration will simultaneously decrease as the plants will not be able to absorb water by its roots, that regulates the overall temperature of the plant and protects it from dying.

Thus, the transpiration process is directly proportional to the number of plants and trees in any area.

Thus, the correct answer is option (C).

The odd one out would be the crow

The crow is the odd one out in the group because it's a bird capable of flying, unlike the jackal, hyena, and vulture which are terrestrial mammals.

The odd one out of the group comprised of a jackal, a crow, a hyena, and a vulture is the crow.

This is because the crow is a bird while the jackal, hyena, and vulture are all mammals. Furthermore, the crow is the only one in the group that is capable of flight. The jackal, hyena, and vulture, on the other hand, are terrestrial animals.

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Answer:

The answer would be B. Earth is an electromagnet.

Explanation:

The Earth is a giant electromagnet. It's electromagnetic field is generated from the currents of electricity coming from molten metal flowing in the outer core of our Earth. The heat from the inner core causes convection and that is how electric current flows within Earth.

Answer:

A magnet always has two poles.

Answer: Polar substance, it dissolves polar substances, also called hydrophilic.

Explanation:

Water is a polar molecule and forms hydrogen bridges. Water is considered the universal solvent because it has great dissolving power. As water is a Polar substance, it dissolves polar substances, also called hydrophilic. Nonpolar substances, like oils, are hydrophobic and do not mix with water. The water is cohesive. Due to the formation of hydrogen bridges, water molecules attract strongly, keeping the substance stable. Also, water attracts other polar molecules, an association mechanism. That's why water wets polar materials like cotton and paper.

Answer:

transcription and translation

The two-step process by which cells read a gene and produce a protein is called transcription and translation. These two processes form the basis of gene expression whereby genetic information is transferred from DNA to RNA (transcription), and then from RNA to protein (translation).

The two-step process by which cells read a gene and produce a string of amino acids that will eventually become a protein is called transcription and translation.

In the process of transcription, a strand of messenger RNA (mRNA) is synthesized, which is complementary to the gene of interest. This is carried out in the nucleus of the cell where a region of the DNA unwinds and the two strands separate. The gene's DNA code is then transcribed to form the complementary stand of mRNA.

After transcription, the next step is translation. Here, the codons (triplets of nucleotides) on the mRNA are translated using another type of RNA called transfer RNA (tRNA) into a sequence of amino acids. This happens in the ribosomes, the 'desk', where the mRNA sequence is read and translated into the amino acid sequence of the protein that it encodes. This two-step process is collectively referred to as gene expression or the central dogma of molecular biology.

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Jill should start building a renewable energy resource plant. What this means is that she should find the right people to convert by-products of gas into usable energy in a particular community. To solve her problem, she must also find statistics and studies on atmospheric pollution in order for her to find the right equipment to start conserving gasoline.

Answer:

Deciding to ride her bicycle to and from work, instead of driving.

Explanation:

Correct answer

Raoul's ability to read without being distracted by environmental noise illustrates selective attention, which is a cognitive skill allowing someone to focus amid distractions.

The situation described where Raoul isn't easily distracted by the sounds of the television or his brothers' loud arguments while reading a novel best illustrates selective attention. This cognitive process allows individuals to focus on a specific stimulus while ignoring others. It's akin to what's often promoted in the twenty-first century as a way to combat the 'new attention economy', where our attentiveness is constantly challenged. Selective attention can be seen as a form of mindfulness training, allowing an individual to manage their focus in a world full of distractions.

The correct option is

Mitochondria is one of the organelles that are found in living cells and it is the one responsible for the production of ATP, which is the source of energy that is usable by the cells. Mitochondria is designed in such a way that, it will be able to carry out its functions efficiently. Mitochondrial has two membranes, one at the outside and the other one at the inside. While the outer membrane is smooth, the inner one is highly folded and it formed a structure called cristae. The folding of the inner membrane serves to increase the surface area inside the mitochondria.

Answer:

The correct answer in A. Mitochondria

Explanation:

I got it right on Edmentum

Answer:secondary consumer

Explanation:the corn is the producer, the mice are the primary consumers and the hawk is the secondary consumer. I THINK.

Answer:tertiary consumer

Explanation:

Answer:

The correct answer is option D.

Explanation:

Steroid hormones are basically are lipid-soluble molecules and derived from cholesterol. Steroid hormones pass through cell membranes because they're lipid soluble, and attach to a receptor that is present inside the cell, entering the nucleus, binding to DNA, and beginning gene transcription and translation and produce protein.

Nonsteroid hormones are water soluble hormones that do not enter the cell membrane but bind to cell membrane receptors that produce a chemical signal inside the target cell.

Thus, the correct answer is option D.

The correct comparison between steroid and nonsteroid hormones is C. Steroid hormones bind to receptors on the outside of the cell and rely on secondary messengers while nonsteroidal hormones do not.

Steroid hormones, which are derived from cholesterol, are lipid-soluble and can diffuse through the cell membrane to bind to intracellular receptors in the cytoplasm or nucleus. This binding triggers the movement of the hormone-receptor complex to the cell nucleus and the activation of specific genes, leading to the synthesis of proteins.

On the other hand, nonsteroid hormones, such as amino acid-derived and polypeptide hormones, are not lipid-soluble and cannot directly enter the cell. Instead, they bind to receptors on the outer surface of the plasma membrane, triggering signaling pathways and intracellular activity, but do not affect protein synthesis or enter the nucleus.

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Answer:

Movement of water from it higher potential to its lower potential.

Answer:

Osmosis is the chemical process.

Explanation:

Osmosis is the chemical process, where the solution moves from higher concentration to lower concentration through a semipermeable membrane. Osmosis may be slow or reversed, where the movement of solution is occured against the concentration gradient, from lower to higher concentration. Osmosis is similar to diffusion. Diffusion follows the same process as in osmosis without semipermeable membrane.

There are three types of osmotic solution:

Isotonic = Water moves in and out of the cell at an equal rate.

Hypotonic = Water moves into the, making it swell.

Hypertonic = Water moves out from the cell, like a raisin.