A spike moss microspore has the potential to develop into which of the following?

Answer:

allosteric enzymes exhibit a threshold effect where the response to substrate concentration changes significantly have more than one subunit. have more than one substrate-binding site.

Explanation:

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Answer:

11.cell is a basic structural and functional unit of life and they are basic building blocks

12.Stems. Stems support buds and leaves and carry water, minerals and food

13.herbaceous stems and woody stems.

14.Gymnosperms, and Angiosperms.

15.The plant life cycle consists of four stages; seed, sprout, small plant, and adult plant.

16.annual

17.biennial

18.Perennials

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Transcription and translation are processes that happens in both prokaryotes and eukaryotes, but in eukaryotic cells they take place in different sites than in prokaryotic cells. Therefore, C is incorrect.

In eukaryotic cells, the mRNA is extensively processed before it is ready to be translated, not in prokaryotic cells. Therefore, D is incorrect as well.

In eukaryotic cells, transcription and translation are separate processes, transcription takes place in the nucleus and translation takes place in the cytoplasm. In prokaryotic cells, transcription and translation both takes place in the cytoplasm, being a continuous process. Therefore, A is incorrect, E is wrong too and the correct answer is B. Transcription and translation are continuous processes in prokaryotes but not eukaryotes.

A gene codes for one or more related RNAs or polypeptides.

A gene is the fundamental physical and functional unit of heredity. Genes are made up of DNA. Some genes act as directives to make molecules called proteins. Although, many genes do not code for proteins

Genes are made up of a succession of DNA and are arranged, one after another, at specific positions on chromosomes in the nucleus of cells. Genes that proceed on to you determine many of your traits, such as your hair color and skin color.

So we can conclude that A gene is a genomic order (DNA or RNA) directly encrypting functional product molecules, either RNA or protein.

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To reduce the possibility of interference, two or more injectable or nasally delivered live vaccinations that are not provided on the same day should be separated by at least 4 weeks .

If you delay immunizations, your baby may be exposed to infections such as whooping cough at a time when she is most vulnerable to dangerous problems. A vaccine can take weeks to help your infant produce protective disease-fighting antibodies, and some immunizations require multiple doses to provide the maximum protection.

Giving a youngster many immunizations at the same time has two advantages. Initially, children should be immunized as soon as possible to provide them with protection throughout the sensitive early months of their lives. Second, delivering multiple injections at once means fewer clinic visits.

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The muscles that help control the movement of the body, maintain posture, and help produce heat are Skeletal Muscles.

Skeletal Muscles are attached to the bones comprising 35% percent of the total mass of the body. These Muscles are attached to the bones using tendons.

These muscles allow you to control and perform different movements and functions of the body. Skeletal Muscles are attached to the bones using tendons. These muscles produce heat by contracting and releasing it to maintain the temperature of the body.

There are two types of muscles; red muscles and white muscles. Red muscles are smaller in diameter while white muscles are big in diameter.

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The Central dogma of molecular biology suggests that the primary role of RNA is to convert the information stored in DNA into proteins. So, we need RNA and not just DNA.

In general the role of mRNA is to carry out protein information from the DNA in a cell's nucleus to the cell's cytoplasm , This is the place were the where the protein manufacturing machinery reads the mRNA sequence and three-base codon is translated into its corresponding amino acid in a growing protein chain.

Hence, mRNA molecules are used to carry the genetic information needed to make proteins. These are responsible for carrying information from the DNA in the nucleus of the cell to the cytoplasm the place where  proteins gets manufactured.

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Cellular respiration releases energy because the bonds in carbohydrates are broken during the reaction.

During cellular respiration, carbohydrates are broken down in a series of reactions, and the energy in the bonds is released as ATP, the energy currency of cells.

The reaction is in 3 steps:

The summary of the reactions is represented by the equation below:

\(C_6H_1_2O_6 + 6O_2 ---> 6CO_2 + 6H_2O + ATP\)

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Answer:

D.

Explanation:

The wall only allows certain substances to enter the cell.

Answer: Provides protection for a cell

Answer:

a) Cats show incomplete dominance which means the kitten can be born with full length tails, short length tails and without tails.

b) The genotype of the parent will be heterozygous (Tt ) and the kittens will be:

Genotype | Fenotype

-TT | (long tail)

-Tt | (short tail)

-tt | (no tail).

Yes, the subject does feel a difference when winning or losing a match and there is a correlation between what the subject "feels" and what is seen for the amount of EMG (electromyography) activity.

EMG or electromyography is a diagnostic tool used to examine the activity of the muscles and the nerves in the body. It can detect muscle weakness or abnormal nerve function.The correlation between EMG activity and feelings during winning or losing a match: The muscle activity measured by EMG depends on the activity that the muscle is carrying out. The amount of muscle activity will be greater when the person is putting more effort into the action.

Therefore, it is expected that the amount of EMG activity will be higher when the subject is trying to win than when they are losing. As a result, winning or losing a match is related to the amount of EMG activity. It is possible to correlate what the subject "feels" to what is seen for the amount of EMG activity. When winning, the subject will "feel" a sense of accomplishment and their muscles will show greater EMG activity than when losing.

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Answer:

Plants loose their leaves in winter due to following reasons: The plants of these types are called deciduous plants. The leaves of these plants contain a chemical called Chlorophyll. Chlorophyll in the presence of sunlight make food for plant and the process is called photosynthesis.

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DNA replication is the process by which cells copy their genetic material before cell division. The DNA double helix is unwound and separated by enzymes, and each strand serves as a template for synthesizing a new complementary strand.

In this model, the original DNA strand is labeled as the "parent strand," and the newly synthesized strand is labeled as the "daughter strand". The proteins involved in this process are helicases, which unwind the double helix and separate the strands, and primases and polymerases, which add new nucleotides to the template strands.

The direction of DNA replication is said to be semi-conservative, meaning that one strand of the original DNA molecule serves as a template for synthesizing a new complementary strand. The replication starts from the origin of replication and proceeds bidirectionally.

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The structures that are most important in determining evolutionary relationships between organisms-analogous, homologous or vestigial from most to least important with the most important at the top will be:

Analogous traits lack the shared evolutionary history of homologous traits, which allowed them to arise. Because they show evidence of evolutionary relationships, homologous structures are more significant to evolutionary biologists than analogous structures.

The retention of genetically determined traits or structures that no longer serve their original purpose in a given species is known as vestigiality.

In conclusion, the ranking is illustrated above.

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Answer:

Some Formica species will have multiple queens, the best example would be Formica rufa (the red wood ant) but I wouldn't advise keeping those. Formica lemani can have multiple queens but I have found, from the colonies I have kept, after a few years the queens slowly become rivals and are ejected from the nest, leaving one dominant queen.

Explanation:

Answer:

air+7=p+s/1.342643

Explanation:

thats all i know

Answer:

I think the answer is C

Explanation:

I believe that the Formation of earliest solid rocks did not occur in the Hadean Eon

Answer:

D. Pathogen

Explanation:

How do protozoa impact our planet?

Protist groups may generate up to 50% of the oxygen on Earth, according to estimates. Our natural ecosystems cannot exist without protozoa.

They provide a variety of habitats and creatures and sit at the base of many food chains. Protists are extremely tiny; they consume germs, and some of them take up nutrients from the environment.

Therefore, The Protista is a large, intricate class of eukaryotic organisms that are primarily unicellular.

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Some of the challenges scientists might face when directly observing animal behavior in the wild are:

These are living organisms which cannot produce their food by themselves but depend on other organisms for food .

Animals are generally classified as:

So therefore, some of the challenges scientists might face when directly observing animal behavior in the wild are:

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Avery's team repeated Griffith's experiments because they wanted to A. determine which molecule in the heat-killed bacteria was the transforming factor.

The transforming factor of the Avery experiment was a substance called deoxyribonucleic acid (DNA). instead of proteins and thus Avery showed that DNA is the genetic material transmitted across generations in all life forms.

Therefore, with this data, we can see that the transforming factor of the Avery experiment was DNA instead of proteins, which is a fundamental discovery to show how biomolecules are generated.

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Answer:

produce spores

contain hyphae

contain a fruiting body

Explanation:

Through internal metabolic heat production, heterotherms maintain high body temperatures.

Heterotherms are organisms with a body temperature control range that lies between that an ectotherm and an endotherm. Some endothermic ('warm-blooded') small mammals and birds may lower their metabolic rate during a particular season or even time of day, causing their body temperature to drop and enter a condition of torpor. This saves small animals, like hummingbirds and some rodents, the relatively expensive expense of keeping a steady body temperature when there is a lack of food or other unfavorable circumstances. Partial endothermy is another name for this tactic. On the other end of the spectrum, certain creatures that are typically thought of as ectothermic (or "cold-blooded") have the capacity to generate heat internally for brief durations, momentarily boosting their body temperature to enable activity when the surrounding environment is chilly. Many insects, including bumblebees, have been shown to shiver in cold weather in order to raise their body temperature enough to fly. We can refer to this as facultative endothermy.

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Answer:

See below

Explanation:

This is a very rough graph I drew, it's only the general shape, you can make it better. The answer to your question is that the moths environment is a bright area with lots of light that match the light coloured moths

Answer:

b

Explanation:

Answer:

Organisms originally lived only on land.

Explanation:

Answer:

A radioactive (unstable) phosphorus isotope is made to replace a nonradioactive isotope of phosphorus in the molecule

Explanation:

Phosphorus has both unstable (radioactive) and stable isotopes. In any compound that contains phosphorus, the phosphorus atom present may be either a stable isotope of phosphorus or an unstable isotope of phosphorus.

However, if the molecule contains a stable nonradioactive isotope of phosphorus, it is possible to convert this isotope in the molecule to the unstable radioactive isotope by carefully carrying out exchange reactions in which the phosphorus isotope replaces the nonradioactive isotope in the molecule.

This is usually done in order to create radioactive tracers which are used to study chemical reactions and biochemical processes.

Answer:

when both parents have brown eyes, you have a 19% chance of getting blue eyes. (referenced in the picture below).

it is kinda a confusing concept, but this means that the parents either have 2 blue genes and 2 brown genes in the eye, and when there is 2 recessive genes in the eye it will cover the dominant gene.

dominant genes are the capital letter, and recessive genes are the lowercase (ex. Gb)

When the double bond between carbon atoms in a molecule is broken, the alkene halogenation reaction, specifically bromination or chlorination, takes place. The halides from the opposing sides of the molecule add to nearby carbons.

A halogen atom is replaced with another substance in a process known as halogenation, where the halogen atom eventually becomes a component of the new substance or compound. In general, one or more halogens are typically added to the chemical during the halogenation reaction. The process of replacing any number of hydrogen atoms with the aforementioned group of elements is known as halogenation. The result of halogenation will have different and new properties from the original substance. Halogens are a class of elements that includes substances like iodine, chlorine, fluorine, and bromine. These components typically behave similarly, which is why they belong to the same group.

The complete question is;

A synthesis of the antibiotic natural product y-indomycinone involved the halogenation reaction shown below. The major product of the reaction is a mono brominated compound, and a significant amount of a minor, dibrominated compound is also formed. Modify the given structure to draw the major product a mono brominated compound. Lone pairs not required.

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Answer:

metaphase, anaphase, and telophase.

Explanation: