What type of covalent bond is formed when amino acids condense into proteins?.

Answer:

D.) lysosomes break down lipids, carbohydrates, and proteins

Answer:

A. 55 minutes........................

Answer: Bacterial infections are inferior to viruses.

Answer:

the foot is inferior to the knee

Explanation:

inferior means to be below

Lipid is any form of a diverse group of organic compounds that are insoluble in water.

Lipid includes fats, oils, hormones, and various other components of membranes which are grouped together because they do not interact with water. Lipid is any form of a diverse group of organic compounds. One type of lipid, the triglycerides which is considered as fat in adipose cells, and it serve as the energy-storage depot for organisms and also provide thermal insulation.

Functions of lipid are are as follows:

1)Storing and providing energy.

2)Chemical messengers.

3)Cholesterol formation.

4)Regulating body temperature.

5)Formation of Prostaglandin and its role in inflammation.

6)Membrane lipid layer formation.

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Answer:

Is one half the original DNA and one half new DNA with the same code as the original strand preserved

Explanation:

I am assuming the process is DNA replication.

The process of DNA replication:

step 1- the DNA double helix unwinds using an enzyme called dna helicase. Proteins hold the strands apart from each other forming a Y shape called the replication fork.

step 2- At the replication fork, enzymes called DNA polymerase move along each of the DNA strands adding complementary bases to the nitrogen bases using base pairing rules.

step 3- DNA polymerases add nucleotides to a growing double helix until all the DNA is copied

result- 2 new DNA molecules, each made of one original strand and one copied strand

Its secretory products are carried in body fluids to distant target cells. This is NOT a common characteristic of an exocrine gland.

Exocrine glands initially secrete their products into a duct, which then carries the secretion to its final destination. Exocrine glands can secrete materials onto the outer surface of the body (such as sweat glands) or into the lumen of hollow organs (such as the pancreas).

                                        Exocrine glands secrete their products into a duct (a), onto the outer surface of the body (b), and into the lumen of hollow organs (c). However, it is endocrine glands, not exocrine glands, that secrete products (hormones) into body fluids to reach distant target cells.

                                         However, their secretory products are not carried in body fluids to distant target cells as this is a characteristic of endocrine glands.Its secretory products are carried in body fluids to distant target cells.

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If 1% of the population lacks freckles, and the population is in Hardy-Weinberg equilibrium at this locus, 1% of the next generation will lack freckles.

The Hardy-Weinberg equilibrium is a notion that states that, in the absence of unfavorable circumstances, the genetic variation in a population will remain constant from one generation to the next. The law predicts that genotype and allele frequencies will remain constant because they are in equilibrium when mating is random in a large population with no disruptive factors.

The allele frequencies won't vary from one generation to the next if the population for the freckle trait is at Hardy-Weinberg equilibrium.

Thus, If there are no freckles in 1% of the population and the population is in Hardy-Weinberg equilibrium at this locus, no freckles will appear in 1% of the offspring.

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(complete question)

In a population, freckles is inherited as a dominant trait. Individuals that are homozygous recessive lack freckles. If 1% of the population lacks freckles, and the population is in Hardy-Weinberg equilibrium at this locus, what percentage of the next generation will lack freckles?

A) None, since it is a recessive condition.

B) 1%

C) 2%

D) 50%

E) 99%

Answer:

compare gene or protein sequences between the two mice. ... An unknown plant species has separate male and female gametophytes, and releases spores into the environment.

Explanation:

A researcher determined that a strain of E. coli is producing a shortened version of a protein required for glucose metabolism. This is a nonsense mutation that could be responsible for this shorter than normal protein.

There are mutations that have no effect on the protein and mutations that have a negative impact on the protein. Here is the mutation that changes the protein into a shorter one in E. coli because of premature termination, and this happens when a base is mutated in such a way that codes for the termination codon .

Hence, this is a condition of nonsense mutation, where, due to premature mutation, the shorter protein is formed.

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The strategy chosen to measure the influence of temperature and PTU on oxygen consumption is to compare the normalized oxygen consumption at different temperatures for a control mouse (not treated with PTU) and an experimental mouse (treated with PTU). Thus, option B is correct.

A comparison of oxygen consumption in control and experimental mice is required to assess the impact of temperature and PTU on oxygen uptake. The suggested approach entails comparing the normalized oxygen consumption for both mouse groups at various temperatures. It adjusts for any potential changes in the mice's basal metabolic rates by normalizing the oxygen consumption data.

The effects of temperature and PTU on oxygen consumption can be separated and evaluated separately by comparing the normalized data. This method offers a thorough grasp of how both factors affect oxygen consumption, allowing for a more accurate assessment of each factor's unique contributions.

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Answer:

Scientists believe that Pangea broke apart for the same reason that the plates are moving today. The movement is caused by the convection currents that roll over in the upper zone of the mantle.

Explanation:

Answer: Pangea broke apart for the same reason that the plates are moving today. The movement is caused by the convection currents that roll over in the upper zone of the mantle.

Explanation: Scientists believe that Pangea broke apart for the same reason that the plates are moving today. The movement is caused by the convection currents that roll over in the upper zone of the mantle. About 200 million years ago Pangaea broke into two new continents Laurasia and Gondwanaland.

This is an example of the drive reduction theory which suggests that an organism's behavior is motivated by the desire to reduce physiological needs such as hunger, thirst, or discomfort.

The drive reduction theory is a psychological concept that proposes that our behavior is motivated by the desire to reduce physiological needs or drives such as hunger, thirst, or discomfort. According to this theory, when an animal's basic needs are not satisfied, they will be driven to engage in behaviors that can help reduce these needs.

In the case of well-fed animals leaving their shelter to explore and gain information, the theory suggests that their hunger drive has been reduced, which means they are not motivated to find food. As a result, they may be more inclined to engage in exploratory behaviors and seek out new information about their environment.

In other words, when the physiological needs of an animal are met, they may be more motivated to explore their surroundings and learn about their environment, as they are not being driven by an immediate need to satisfy their basic needs. When animals are well-fed, their hunger drive is reduced, and they may be more inclined to explore their environment and seek out new information.

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Based on the information provided, we can conclude that the allele for black color is dominant over the allele for red color.

The fact that all the offspring are black suggests that they all inherited the dominant black allele from one of their parents (the black beetle), and the recessive red allele from the other parent (the red beetle). However, since the black allele is dominant, it masks the expression of the red allele, resulting in the offspring all having black color.

This is an example of Mendelian inheritance, where the dominant allele determines the phenotype, while the recessive allele is only expressed in the homozygous state (i.e., when an individual inherits two copies of the recessive allele).

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Answer: These are the correct answers...

-Water molecules are polar

-Water molecules undergo hydrogen bonding

- Water molecules have a bent geomtry

Hope this helps whoever needs it

The statements that are correct about water molecules are:

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All variations of heritable traits ultimately arose from mutations in DNA.

Heritable traits are passed down from parents to offspring through their genetic material. DNA is the genetic material that carries the instructions for the development and function of all living organisms. Mutations in DNA can cause changes in the genetic code, leading to variations in traits. These mutations can arise spontaneously or be induced by environmental factors. Over time, natural selection can act on these variations, favoring those that provide an advantage in survival and reproduction, leading to the evolution of new species.

All variations of heritable traits ultimately arose from mutations in DNA. Heritable traits are the characteristics of an organism that are passed down from parents to offspring. These traits can be physical, such as eye color or height, or behavioral, such as hunting techniques or communication methods. The genetic material that carries the instructions for these traits is DNA.

DNA is composed of nucleotides, which are the building blocks of the genetic code. The sequence of nucleotides in DNA determines the sequence of amino acids in proteins, which are the functional units of cells. Mutations in DNA can cause changes in the genetic code, leading to variations in traits.

Mutations can arise spontaneously during DNA replication or be induced by environmental factors, such as radiation or chemicals. Most mutations are neutral or harmful, but some can provide an advantage in survival and reproduction. For example, a mutation that increases the efficiency of an enzyme involved in digestion may provide an advantage in obtaining nutrients, leading to higher fitness.

Over time, natural selection can act on these variations, favoring those that provide an advantage in survival and reproduction. This can lead to the evolution of new species, as populations become genetically distinct from one another. Therefore, all variations of heritable traits ultimately arise from mutations in DNA, which are subject to natural selection.

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Removal of all or part of the seminal vesicle is called vesiculectomy.

Surgery can affect ejaculation in different ways such as if surgery removes the seminal vesicles, a person can not make semen. Surgery also damage the nerves that come from the spine that control emission. Vesiculectomy is the surgical removal of a seminal vesicle while on the other hand, orchiectomy is the surgical removal of one or both testicles. The surgery to remove the epididymis is called an epididymectomy.

So we can conclude that Removal of all or part of the seminal vesicle is called vesiculectomy.

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Answer:

the eye

Explanation:

I think ahahaha I'm not a weather man but I'm 99% sure

Answer:

it rna means

Ribonucleic acid

Answer:

DNA strands - polynucleotides

RNA strand - nucleotide chain

Explanation:

DNA strands are known as polynucleotides because they are comprised of two nucleotide chains.

RNA is composed of a single nucleotide chain.

Hope this helps :)

When oxygen is bound to one hemoglobin subunit, contacts between side chains in the other hemoglobin subunits change.

The quaternary structure of hemoglobin. It is made up of two distinct protein pairs called the and chains. The and chains of hemoglobin contain 141 and 146 amino acids, respectively.

The Quaternary Structure. Multiple polypeptide chains are arranged within the same molecule to form the quaternary structure. As one hemoglobin molecule consists of four subunits, it is referred to as a tetramer. It is believed that the hemoglobin tetramer is made up of two identical dimers.

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Ecologists study both biotic and abiotic factors and how they interact. Therefore, ecologists often use methods and data from other areas of science, such as geology, geography, climatology, chemistry, and physics.

Abiotic factors refer to non-living physical and chemical elements in the ecosystem. Abiotic resources are usually obtained from the lithosphere, atmosphere, and hydrosphere. Examples of abiotic factors are water, air, soil, sunlight, and minerals

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Through geology and geography, we can study biotic and abiotic factors within an ecosystem.

The interactions between biotic factors, such as organisms like flora and fauna, and abiotic factors.

For example, all animals (biotic factors) breathe in oxygen (abiotic factor). All plants (biotic factor) absorb carbon dioxide (abiotic factor) and need water (abiotic factor) to survive.

Thus, geology and geography, are the two ways to study biotic and abiotic factors within an ecosystem.

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Answer:

limestone, chert, dolostone, gypsum, halite (rock salt), diatomite, and chalk.

hope this helps!

Explanation:

Answer:

Letter C: Organic

Explanation:

Took the test and got it right :) Hope this helps!

Scientific knowledge is important to develop new technologies and solve problems. Scientific advancement in waste production brought both benefits and disadvantages to the society.

Waste production is the use of material and energy including the depletion of the Earth's renewable and non-renewable resources.

The recycling of waste can have many pros and cons, the benefits are:

The disadvantages includes:

Thus, the correct option is b.

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Answer:

It would slow down the growth of the plant. (aka. slowing down the rate of photosynthesis).

Explanation:

Heat is a catalyst so it speeds up reactions. So, cold does the opposite.

Answer:

Proteins allow certain substances to pass through the cell membrane.

Explanation:

The membrane is crossed by channel proteins, which create hydrophilic tunnels there through which their target molecules can diffusely travel. Thus, option C is correct.

What is essential for the cell membrane to function properly?

Additionally, cells have interior membranes that keep the various “spaces” of the cell distinct from one another and control the flow of chemicals.

Membranes depend on cholesterol, a molecule that resembles fat, to function effectively.

Only one type of molecule (or some molecules that are closely related) can be transported through a channel because they are so selective.

Because of their size and polarity, proteins cannot passively diffuse through the cell membrane. In a manner analogous to nucleic acid transfection, a delivery method or system is thus always necessary.

Therefore, Proteins allow certain substances to pass through the cell membrane.

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Cells can convert available nutrient materials in to the energy through cellular respiration processes. As seeds germinate, cellular respiration takes place because seeds need energy to grow and develop.

In the process of cellular respiration, which occurs in germination seeds, this same carbon dioxide released is directly inversely proportional to the oxygen absorbed by the seed. The calcium carbonate (solid) that results from this reaction between the carbon dioxide and CaO lowers the volume of fuel in the tube as well as permits the water to rise. To get the energy they require to grow and develop, pea seeds go through cell respiration. Sugars are metabolised within cells to produce energy through a process known as respiration. In the seeds, structures referred to as cotyledons house the respired sugars.

(Why do germinating seeds undergo cellular respiration?)

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Answer:

From largest to smallest they are: Universe, galaxy, solar system, star, planet, moon and asteroid.

Answer:

There’s no picture

Explanation:

Answer:

They Vibrate From Side To Side, Hope this helps!!

Explanation: