what would happen to the concentrations of pyruvate, NADH and intermembrane H* if the Krebs Cycle stopped working

Answer:

evolution is change over a period of time

Answer:

Probably insects developed resistance to the pesticide.

Explanation:

The term resistance refers to an inheritable change in the population sensitivity, reflected through the consecutive failure of the chemical effects, correctly used in order to reach a certain effect on the insect population.  

Insecticides might produce a genetic modification in the insects, leading them to survive under the effects of the chemical. Insects evolve with the capability of tolerating the poison dose that normally is used to destroy a normal population of plagues.

In the exposed example, the first time that the farmer sprayed the pesticide, the insect population decrease sharply. This means that the chemical affected them severely. The surviving individuals probably suffered a genetic modification and survived. They probably passed this modification to the following generations, which expressed it, and developed resistance to the pesticide.

Answer:

i think they are orignally from cold areas so they store water and moisture in there needles. and they stay green year round.

Explanation:

Answer:

sequence of nitrogen bases

Explanation:

i’m taking my exam rn and that was the correct answer

Answer:

sequence of nitrogen bases

Explanation:

These structures suggest that Dogs and humans are more closely related than snakes and humans.

Does snake have backbone?

Yes, snakes have a backbone. The backbone is made up of a series of bones called vertebrae, which are connected by ligaments and muscles. The vertebrae of a snake are unique because they are loosely connected, allowing the snake to move and bend in a wide variety of directions.

Dogs and humans are more closely related than snakes and humans because they both have vertebral columns, tails, and limbs while snakes only have a vertebral column and a tail. This suggests that a common ancestor shared these features with both dogs and humans, while the common ancestor of snakes did not possess these features.

Therefore, Dogs and humans are more closely related than snakes and humans is the correct answer.

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Dogs, snakes, and humans share a common ancestor. The presence of a vertebral column in all three organisms suggests that they belong to the same group of vertebrates,

So the correct answer is D.  Dogs, snakes, and humans share a common ancestor.

What is a common ancestor?

A common ancestor is a hypothetical organism that is ancestral to two or more different groups of organisms. In other words, a common ancestor is an organism that gave rise to two or more distinct lineages through evolutionary divergence. All organisms that share a common ancestor are said to be related, and their evolutionary relationships can be represented as a branching tree-like diagram called a phylogenetic tree. The concept of a common ancestor is fundamental to evolutionary biology, as it allows scientists to infer the evolutionary history and relationships between different groups of organisms.

Dogs, snakes, and humans share a common ancestor. The presence of a vertebral column in all three organisms suggests that they belong to the same group of vertebrates, but differences in tails and limbs suggest that their ancestors underwent evolutionary changes that led to these differences.

Therefore, options A and C are partially correct but do not capture the full picture, while option B is incorrect. The correct answer is D.

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Answer:

i think it could reveal health risks

Explanation:

i hope that is correct!

Genetic testing results in some circumstances could be ambiguous or inconclusive. Detrimental effect on connections with family and friends. Thus, option C is correct.

The following are some drawbacks or hazards of genetic testing: Your stress and anxiety may increase throughout testing.

Results in some circumstances could be ambiguous or inconclusive. Detrimental effect on connections with family and friends.

Because the findings of genetic testing can expose information about family members besides the test subject, this causes conflict between families.

Another issue is the potential for genetic discrimination in insurance or the workplace.

Therefore, Genetic testing could cause discrimination by revealing health risks.

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Answer:

it would be 60

Explanation:

because if haploid cells double the amount of chromosomes then diploid would do the opposite

Answer:

_________

Explanation:

Because a stationary front marks the boundary between two air masses, there are often differences in air temperature and wind on opposite sides of it. The weather is often cloudy along a stationary front, and rain or snow often falls, especially if the front is in an area of low atmospheric pressure.

Lipases are enzymes that lead to the hydrolysis of lipids.

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Nucleic acids. It is this becasue In my science call today they said this

Answer:

A

Explanation:

Answer:

I would have to say A

Explanation:

Glycolysis is the first step in the breakdown of glucose to extract energy for cellular metabolism. So we already know that it uses glucose because thats what its breaking down. Glycosis produces 2 ATP so B is wrong. Glycolysis happens in the cytoplasm so C is wrong. Finnaly aerobic is using free oxygen in the process of the reaction. However glycolysis uses no oxygen and is  anaerobic.

Glycolysis requires glucose as a reactant.  

• Glycolysis refers to a cytoplasmic pathway that dissociates glucose into the three-carbon compound and produces energy in the form of ATP.  

• The process of glycolysis takes place in the cytoplasm.  

• In the process, the net production of 2 ATPs takes place.  

• It can be both anaerobic and aerobic process.  

• The process of glycolysis completes in 10 steps, five of which are in the preparatory phase and the rest 5 are in the pay-off phase.  

• The process of glycolysis is used by all the cells of the body to produce energy, and the final product of glycolysis is pyruvate.  

Thus, correct answer is option A, that is, it requires glucose as a reactant.

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An unidentified plant produces spores, has many cells, but does not have true leaves. It is a fern or the angiosperms. Thus, option C is correct.

Angiosperms, that are also known as flowering plants, have “seeds” that are sealed off within an “ovary”, while gymnosperms do not have fruits or flowers and have uncovered seeds on the surface of leaves. Seeds of gymnosperms are often arranged as “cones”.

The features and characteristics that distinguish angiosperms from gymnosperms are fruits, flowers, and “endosperm” in the seeds. Examples of “Angiosperms” are “monocots” like orchids, lilies, agaves, grasses and dicots like, peas, roses, sunflowers, maples and oaks. “Gymnosperm” examples include “non-flowering evergreen” trees like pine, fir and spruce.

Therefore,An unidentified plant produces spores, has many cells, but does not have true leaves. It is a fern or the angiosperms. Thus, option C is correct.

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Answer:DA FAW>K

Explanation:

Answer:

yy

Explanation:

it can only be yy because you need 2 recessive genes to show a recessive trait.

A plant with Yy genes could pass the recessive genes on, but would still show the dominant trait.

The possible genotype of the green offspring is yy, i.e., recessive one and will express only in absence of dominant allele.

In a broad sense, the word "genotype" refers to an organism's genetic makeup; in other words, it describes an organism's entire set of genes.

In a narrower sense, the term can refer to the alleles, or variant forms of a gene, that an organism carries.

A genotype is a classification of the type of variant found at a specific location (i.e., a locus) in the genome.

Symbols can be used to represent it. For example, the letters BB, Bb, bb could be used to represent a specific variant in a gene.

In the given scenario, Y is dominant allele which will express in combination with y means the recessive one.

Thus, for expressing the green allele, it should be yy.

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Answer:

Nurse crops

Explanation:

Answer:

The insect species being studied has three pairs of homologous chromosomes. The first two pairs are autosomes; the last pair are sex chromosomes. Sex determination is the same as in humans (XX=female, XY=male).

Explanation:

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Answer:

Griffith's Experiment was an experiment done in 1928 by Frederick Griffith. It was one of the first experiments showing that bacteria can get DNA through a process called transformation. ... In this experiment, bacteria from the III-S strain were killed by heat, and their remains were added to II-R strain bacteria

Are wild horses truly “wild,” as an indigenous species in North America, or are they “feral weeds”—barnyard escapees, far removed genetically from their prehistoric ancestors? The question at hand is, therefore, whether or not modern horses, Equus caballus, should be considered native wildlife.

The question is legitimate, and the answer important. In North America, the wild horse is often labeled as a non-native, or even an exotic species, by most federal or state agencies dealing with wildlife management, such as the National Park Service, US Fish and Wildlife Service, and the Bureau of Land Management. The legal mandate for many of these agencies is to protect native wildlife and prevent non-native species from causing harmful effects on the general ecology of the land. Thus, management is often directed at total eradication, or at least minimal numbers. If the idea that wild horses were, indeed, native wildlife, a great many current management approaches might be compromised. Thus, the rationale for examining this proposition, that the horse is a native or non-native species, is significant.

The genus Equus, which includes modern horses, zebras, and asses, is the only surviving genus in a once diverse family of horses that included 27 genera. The precise date of origin for the genus Equus is unknown, but evidence documents the dispersal of Equus from North America to Eurasia approximately 2–3 million years ago and a possible origin at about 3.4–3.9 million years ago. Following this original emigration, several extinctions occurred in North America, with additional migrations to Asia (presumably across the Bering Land Bridge), and return migrations back to North America, over time. The last North American extinction probably occurred between 13,000 and 11,000 years ago (Fazio 1995), although more recent extinctions for horses have been suggested. Dr. Ross MacPhee, Curator of Mammalogy at the American Museum of Natural History, and colleagues, have dated the existence of woolly mammoths and horses in North America to as recent as 7,600 years ago. Had it not been for previous westward migration, over the 2 Bering Land Bridge, into northwestern Russia (Siberia) and Asia, the horse would have faced complete extinction. However, Equus survived and spread to all continents of the globe, except Australia and Antarctica.

In 1493, on Columbus’ second voyage to the Americas, Spanish horses, representing E. caballus, were brought back to North America, first in the Virgin Islands, and, in 1519, they were reintroduced on the continent, in modern-day Mexico, from where they radiated throughout the American Great Plains, after escape from their owners or by pilfering (Fazio 1995).

Critics of the idea that the North American wild horse is a native animal, using only selected paleontological data, assert that the species, E. caballus (or the caballoid horse), which was introduced in 1519, was a different species from that which disappeared between 13,000–11,000 years before. Herein lies the crux of the debate. However, neither paleontological opinion nor modern molecular genetics support the contention that the modern horse in North America is non-native.

Equus, a monophyletic taxon, is first represented in the North American fossil record about four million years ago by E. simplicidens, and this species is directly ancestral to later Blancan species about three million years ago (Azaroli and Voorhies 1990). Azzaroli (1992) believed, again on the basis of fossil records, that E. simplicidens gave rise to the late Pliocene E. Idahoensis, and that species, in turn, gave rise to the first caballoid horses two million years ago in North America. Some migrated to Asia about one million years ago, while others, such as E. niobrarensis, remained in North America.

Answer:

A hydrogen bond is a weak bond between two molecules resulting from an electrostatic attraction between a proton in one molecule and an electronegative atom in the other.

Answer:

So that in a guinea pig cross in the offspring the recessive trait —long hair— can be observed in 25%, the most probable genotype of the parents is heterozygous Ss.

Explanation:

In guinea pigs, for the characteristic hair length, short hair is the dominant allele and long hair is the recessive one.

In order for 25% of the offspring to express the recessive characteristic, the parents must have a recessive genotype, which can be seen in Punnett's Square:

P: Ss X Ss

Alleles     S     s

S             SS   Ss

s             Ss    ss

Where the offspring is:

According to this, heterozygous parents for the characteristic long hair in guinea pigs have a 25% chance of having offspring with long hair.

Answer:

it belongs to the Eukarya domain

Explanation:

it has both plant and animal characteristics