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Answer:

This question lacks options, options are: A) Vaccines for MRSA have become not effective because of changes to human immune systems. B) The presence of antibiotics induced the bacterial genomes to mutate and develop resistance to the drug. C) Decreased hospital sanitation practices to save money have resulted in increased presence of resistant staph infections. D) Selective pressures by excessive antibiotic use have increased the frequency of resistant strains of S. aureus over the last few decades.The correct answer is D.

Explanation:

The susceptibility of the various germs has varied greatly in recent years. Strains that had been consistently susceptible to all antimicrobial agents for decades have now developed resistance to these classic therapies, they have the ability to rapidly develop resistance to the newer antimicrobials. Methicillin Resistant Staphylococci (MRSA) is a clear example of this situation. The mechanism that confers resistance to methicillin is complex, since the bacterium has generated a genetic variation, which is encoded in the mecA gene, by which it modifies the structure of its penicillin-binding or binding protein (PBP2a), This prevents methicillin from adhering to the place where it is going to exert the action of blocking the transpeptidase enzyme (whose function in the bacterial life cycle is to synthesize the bacterial wall).Resistance to methicillin in strains of S. aureus is a growing problem worldwide, and staphylococcus gold is an agent that spreads easily and the behavior of the process is aggressive, with which this agent not only carries resistance to methicillin , but rather all ß-lactam antibiotics, including cephalosporins and carbapenem.

Answer:

D. Selective pressures by excessive antibiotic use have increased the frequency of resistant strains of S. aureus over the last few decades

Explanation:

Answer: Along with substitutions, mutations can also be caused by insertions, deletions, or duplications of DNA sequences. Some mutations are hereditary because they are passed down to an offspring from a parent carrying a mutation through the germ line, meaning through an egg or sperm cell carrying the mutation.

Explanation:

A mutation that could be inherited by offspring would leads from a base substitution in gametes during meiosis. The correct option is D.

Any alteration to a cell's DNA sequence. Alterations in cell division can result in specific mutations.

As can exposure to environmental DNA-damaging substances. Mutations may be negative, positive, or ineffective.

Errors in DNA replication during cell division, exposure to mutagens, or viral infection can all cause mutations.

Somatic mutations (which happen in body cells) cannot be passed on to offspring, whereas germline mutations (which happen in eggs and sperm) can.

A base substitution in gametes during meiosis would result in a mutation that might be passed on to progeny.

Thus, the correct option is D.

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Your question seems incomplete, the probable complete question is:

A mutation that could be inherited by offspring would result from-?

Trichoplax contains at least six somatic cell types: dorsal and ventral epithelial cells, lipophils, fiber cells, gland cells and crystal cells.

Trichoplax contains at least six somatic cell types: dorsal and ventral epithelial cells, lipophils, fiber cells, gland cells and crystal cells.

Somatic cells are involve in the growth and development of an organism required for repair and regeneration

Somatic cells participate in mitosis and contain the same set of chromosomes, these cells have a diploid set of chromosomes as compared to gametes produced by meiosis and have a haploid set of chromosomes

Somatic cells undergo mutation frequently as compared to germ cells, used for cloning by which an identical clone of an individual is produced

Somatic cell nuclear transfer  is one such process where the nucleus of a somatic cell is transferred to an ovum cell. Somatic cells are used to conserve genetic information of animals.

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Answer:

plant cell can make its own glucose; an animal cell cannot

Explanation:

Chloroplasts are found in plant cells, but not in animal cells. The purpose of the chloroplast is to make glucose that feed the cell's machinery. Photosynthesis is the process of a plant taking energy from the Sun and creating glucose.

Explanation:

the second choice. even if you are feeling better the bacteria may still be there. if you stop taking the antibiotics the bacteria will mutate and become stronger and more immune to the original antibiotics. this could end up deadly

Answer:

Pretty sure it's Respiration, but not totally sure

Answer:

RNA and proteins

Explanation:

Hope this helps!

Answer:

Photosynthesis uses water and carbon dioxide in the presence of light to create

sugars with a by-product of oxygen. These sugars are used by the organism in the

presence of oxygen to make energy (frequently ATP) that can be used in cellular

processes with a by-product of water and carbon dioxide.

Explanation:

photosynthesis= water+CO2+light energy --> sugar + oxygen

cellular respiration is the exact opposite equation except you use ATP energy in place of light energy

The relationship between photosynthesis and cellular respiration is that Photosynthesis uses water and carbon dioxide in the presence of light to create sugars with a by-product of oxygen. These sugars are used by the organism in the presence of oxygen to make energy (frequently ATP) that can be used in cellular and processes with a by-product of water and carbon dioxide.

Photosynthesis is known as the process in which the green plants prepare their own food in the presence of sunlight and heat energy converted into chemical energy in the process of photosynthesis and green plants prepare their own food so they are known as the autotrophs.

The relationship between photosynthesis and cellular respiration is that Photosynthesis uses water and carbon dioxide in the presence of light to create sugars with a by-product of oxygen. These sugars are used by the organism in the presence of oxygen to make energy (frequently ATP) that can be used in cellular and processes with a by-product of water and carbon dioxide.

Therefore, These sugars are used by the organism in the presence of oxygen to make energy (frequently ATP) that can be used in cellular and processes with a by-product of water and carbon dioxide.

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Answer:

During Metaphase II, sister chromatids of a homologous pair exchange genetic info

Explanation:

Answer:

During metaphase II, sister chromatids of a homologous pair exchange genetic information

Explanation:

The layer of the atmosphere has the widest variation in temperature: (C). Thermosphere

The Atmosphere can be defined as the layer of gas or layers of gases that covers a planet. it includes all the forms of gasses in a planet.

The thermosphere can be defined as the warmest region in the atmosphere, it varies with respect to the altitude.

In conclusion, The layer of the atmosphere has the widest variation in temperature is the Thermosphere

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Answer:

1

Explanation:

Prevailing Westerlies are the winds in the middle latitudes between 35 and 65 degrees latitude. They tend to blow from the high pressure area in the horse latitudes towards the poles. These prevailing winds blow from the west to the east steering extra-tropical cyclones in this general manner.

Answer:

Chemical energy into mechanical energy.

hope this helps.

aug-start or methionine

CCG-proline

UAU-Tyrosine

Answer:the fault

Explanation:

Answer:

Explanation:

the ball must touch the inside of the player's foot, but only on a change of possession

Answer:

a

Explanation:

Answer: Mitochondria

Answer:

C: Met, Pro, Leu, Thr

Explanation:

AUG is met

CCA is Pro

UUG is Leu

ACG is Thr

The first letter is on the left side

Once you have that row, the second letter is on top

Then look for last the three letters in that box

Question 29: nucleus A, contains dna(chromosomes) and is the control center

Question 30: plant cell, has a mitochondria, ribosomes, the wall, and nuclei

Answer:

Belong to the same species

Explanation:

Marsupials carry their young in "pouches", and are therefore related to other marsupials, like the kangaroo, opossum, wombats, and koala to name a few.

The opossum is a native of North America as the kangaroo is a native to Australia and both of them are mammals thus boh belong to the same specie. Thus option B is correct.

A mammal is an animal that is warm-blooded and has hair, vertebrates, and backbone. These creatures share human relations and produce milk for their young ones. The kangaroo is like an opossum that is marsupials carry their young in "pouches".

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Answer:

Liquid

Explanation:

Its liquid!!!

Answer: C

Explanation:

complete mitosis in shorter time

Answer:

B.cell, tissue, organ, organ system

Explanation:

Because the cell make up the tissue the tissue makes up an organ and an organ makes up an organ system

Explanation:

The correct way to write a scientific name is by using the genus and species of the organism. 

hope it helps!

Answer:

B. Chromosomes are threadlike structures that carry genetic information

Explanation:

Normally developed humans carry about 46 chromosomes in each cell, so A is false.

The numver of chromosomes is equal from the mother and the father, so C is false.

Chromosomes are arranged in 23 distinct pairs, so D is false.

The statement that best describes chromosomes is: Chromosomes are the threadlike structures that carry the genetic information.

It is a structure that is present in both prokaryotes and eukaryotes and is composed of nucleic acid (DNA) and proteins. It is responsible for genetic information.

Hence, option b) is the correct option.

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