What process occurs as a zygote becomes a blastocyst? meiosis cleavage division fertilization ovulation

DNA is referred to as a complimentary molecule because the base A always goes with T, and C always goes with G and is therefore denoted as option A.

This is referred to as deoxyribonucleic acid and it is the genetic material of most living organisms. It ensures that traits are passed from the parent to the offspring during the process of reproduction in the body system.

It is regarded or known as a complimentary molecule because it has base pairs which are complimentary to each other such that adenine binds with thymine and cytosine binds with guanine thereby making it the correct choice.

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Answer:

Three major types of insect development: a) Ametabolous development typified by the silverfish, b) Hemimetabolous development typified by the cockroach; in some hemimetabola such as termites and grasshoppers there may be more than one stage with wing pads that could be called nymphal; c) Holometabolous development 

The correct answer is option C) exploration of different niches, avoiding competition between life stages.

Each phase of development presents a different habitat and niche, which prevents competition between species, that is, intraspecific competition. In this way, the effectiveness of the animal within its environment is increased, as well as its adaptation to the environment.

The other alternatives highlight stages of development that exist, but are not related to the increase in the number of species or to the justification presented.

Cyclins are a family of proteins that [ A ] Regulate the cell cycle

Tolerance limits are boundaries that enclose a certain percentage of a population with a certain level of confidence.

Used in the context of process control to ensure that production does not go out of specification. Using tolerances can make the final product easier to use, especially if it is part of a larger assembly. Any manufacturing method introduces some degree of inaccuracy, and failure to meet tolerances in critical areas can result in a part that cannot be used according to design intent.

Tolerance determines exactly how much is allowed in making each part. Understanding the critical role tolerances play in the manufacturing process can help you design higher-quality products and reduce costly manufacturing errors. Tolerance design plays an important role in product life cycle quality. Its purpose is not only to guarantee product quality. At the same time monitor the manufacturing costs of your products.

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The statement 'There is a strong relationship between organism complexity and genome size in eukaryotes' is FALSE. The genome of an organism is all genetic information of that individual.

The genome is represented by all nucleotide (DNA) sequences that form the genetic makeup of an organism.

The genome is composed of protein-coding genes and non-coding sequences, which often exhibit regulatory functions.

The proportion between protein-coding sequence and non-coding sequence is not linear, thereby the complexity (i.e., the amount of different types of proteins encoded by the genome) and genome size in eukaryotes is variable among species.

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Answer:

Sunlight, water, carbon dioxide, dirt/soil

Explanation:

Answer:

Eggshells are made of calcium carbonate. If you soak an egg in vinegar the eggshell will absorb the acid and break down, or dissolve. The calcium carbonate will become carbon dioxide gas, which will go into the air.

Explanation:

It will bounce.

I believe that it is testable because you can do it at home.

Independent variable is vinegar.

The products of the Kreb cycle after 1 molecule of glucose goes through it are:

Kreb cycle is the second stage of cellular respiration that occurs under aerobic condition. It is also called Tricarboxylic acid cycle.

The Kreb cycle is a series of enzymatic reactions that involves the oxidative metabolism of acetyl units, and serves as the main source of cellular energy.

The Kreb cycle makes use of pyruvate, which is the product of glycolysis to produce certain products. The products are as follows:

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Answer:

A. Quaternary

Explanation:

We came around Quaternary time frame. This period is called the "Age of Humans"

Answer: Quaternary (A)

Explanation:

Answer:

all living organisms are made of carbon.

Explanation:

The birth rate affects the population by making it grow, so if we look at the other factors, we can see that immigration has a more similar effect, because it means individuals are coming to the population, thus making it grow.

The answers include the following:

Thus is referred to as the type of organism which don't have a backbone or spinal cord and examples include worms, ant etc.

Platyhelminthes and Nematodes and the closest previous branch of the tree have common feature such as the presence of a coelom which contains the digestive system which ensures that nutrient are derived from various food substances and a body cavity.

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Answer:

D : Matter

Explanation:

Answer:

your required answer is matter because matter is any substances which takes some space and has some mass.

Answer:

Cytochrome C is a protein found in all species, and functions in energy metabolism. The more closely related two different species are,

C. the greater the number of differences there are in their amino acid sequences in cytochrome C.

Explanation:

Cytochrome c, unlike other cytochromes, is highly water-soluble.  It is an essential component of the electron transport chain, where it transfers electrons between complex III and complex IV of the respiratory chain.  It undergoes oxidation and reduction when its iron atom converts between the ferrous forms to the ferric forms, but it does not bind to oxygen.

DNA replication is semi-conservative because the original molecule separates into two different strands, and each of them works as a model for a new strand to grow. A) The daughter DNA molecule consists of 1 parent strand and 1 new strand.

DNI replication is semi-conservative because, after replication, each new molecule carries an original DNI strand and a new one. The fact that the new molecule is composed of an original strand makes it semi-conservative. The old existing strands are used to synthesize the new complementary strand.

The replication products are double-stranded DNA molecules, each carrying an original strand and a new one.

The correct option is A) The daughter DNA molecule consists of 1 parent strand and 1 new strand.

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In a semi-conservative model of DNA replication, the daughter DNA molecule consists of 1 parent strand and 1 new strand. Option 1.

The process of DNA is naturally semi-conservative.

This is because each strand of the original DNA forms a template for the synthesis of a complementary strand. Thereafter, each of the newly synthesized strands forms a double helix structure with their respective parent strands.

Thus, e newly replicated DNA molecule usually consists of 1 old strand and 1 new strand. Consequently, the process is described as being semi-conservative.

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Answer:

Go

Explanation:

Dont go fishing when its windy

mRNA is the molecule that carries genetic information transcripted from DNA in the nucleus to the cytoplasm, where it meets rRNA and tRNA and protein synthesis occurs through translation. mRNA is the structure that contains the instructions used to build one specific protein.

mRNA is one of the ribonucleic acids -together with rRNA and tRNA- and it means messenger RiboNucleic Acid.

This molecule is a carrier of genetic information and is in charge of transporting it from the genome to the ribosomes. It is the mold for the new protein synthesis.

This molecule is synthesized in the nucleus during the transcription process. Their nucleotide sequence is complementary with the nucleotide sequence of a particular DNA segment.

Once its synthesis is completed, mRNA moves to the cytoplasm where it meets rRNA and tRNA that read the genomic information and add amino acids to build the new protein. This process is known as translation.

mRNA is the structure that contains the instructions used to build one specific protein.

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Answer:

Crossing over

Independent assortment

Explanation:

Some causes of the background are; Gradual environmental change, Predation, Genetics, and causes of mass extinction are; Catastrophic events, environmental change, Oceanic changes, and Human activities.

Causes of background extinction; Changes in the environment, such as climate change or geological events, can cause slow, long-term changes that make certain species less adapted to their environment.

The introduction of new predators or changes in predator-prey relationships can also lead to the extinction of some species.

Genetic factors can play a role in the extinction of species, particularly in small populations where genetic diversity is low.

Causes of mass extinction; Mass extinctions can be caused by catastrophic events, such as asteroid impacts, massive volcanic eruptions, or global climate change.

Rapid changes in the environment, such as sudden climate change or sea level change, can cause species to become extinct.

Changes in the ocean, such as ocean acidification or anoxia, can lead to the extinction of marine species.

Human activities such as overhunting, habitat destruction, pollution, and introduction of invasive species can also contribute to mass extinction events.

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Answer:

Uracil

Explanation:

Thymine would never be part of an mRNA strand.thus, option A is correct.

Messenger RNA (mRNA), molecule in cells that carries codes from the DNA in the nucleus to the sites of protein synthesis in the cytoplasm (the ribosomes).

It was also known that there are only four nucleotides in mRNA: adenine (A), uracil (U), guanine (G), and cytosine (C). Same three nucleotide base is also present in the DNA except thymine. Thymine is replaced with uracil in case of RNA. thus option A is correct.

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Answer:

4)

Explanation:

Gametes have one haploid (n) genome, which is half of somatic cells, having one diploid (2n) genome combined through fertilization from two haploid (n) gametes.

In humans, gametes have 23 chromosomes, and somatic cells have 23 homologous pairs, which is 46 chromosomes.

Different species have different numbers, but most follow the same pattern.

Answer:

Summarize

Explanation:

critical thinkers always summarize what they read

Answer:

its a.

Explanation:

justfoxii on twitch

Answer:

No

Explanation:

Two locations with the same richness do not necessarily have the same species evenness.

For example, both communities in figure 9.2. b have three different trees species and thus a species richness of three. However, there is a dominant species (represented by six individuals) in community #1.

Sight, hearing, smell, taste, and touch are the five senses that make up the human body.

Humans use their sensory organs to experience their five senses. These sensory organs include the tongue and nose for taste, the eyes for sight, the ears for sound, the nose for scent, and the skin for touch. Each sense serves to aid human perception of the outside world so that we can decide what is happening and what is required at the time.

There are certain persons who are less able than others to detect their surroundings. Despite having a condition like blindness or deafness, people can still have rich, fulfilling lives. According to research, persons who really are blind or optically challenged have heightened sensitivities in other areas. There are several sign languages available for non-aural communication.

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The occipital lobe's visual cortex serves as the destination of the visual pathway, which starts with photoreceptors in the retina.

The photoreceptors are made up of rod and cone cells. Rods are particularly important for seeing in low light and peripheral vision.

The elements of the visual projection route should be arranged from the retina to the brain as follows:

Unique cells called photoreceptors are found in the retina, a layer of tissue at the back of the eye, and they are responsible for turning light into electrical signals when it strikes the retina. From the retina, these electrical signals are transmitted.

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Answer: The correct option is D ( Cells undergo fermentation because pyruvate cannot be metabolized to proceed into the Krebs cycle).

Explanation:

Pyruvate dehydrogenase is the enzyme that converts pyruvate to acetyl CoA which enters the Krebs cycle in glucose metabolism. The deficiency of Pyruvate dehydrogenase can be caused by genetic origin most commonly linked to a mutation in the a -subunit of the mitochondrial enzyme that causes the enzyme to cease functioning. As a result of the mutation, affected individuals build up dangerous amounts of lactic acid.

The increase in the level of lactic acid occurs due to the Increased action of lactate dehydrogenase enzyme. In the absence of Pyruvate dehydrogenase enzyme, the level of blood pyruvate increases. Excess pyruvate is then converted to lactic acid by lactate dehydrogenase enzyme in a process called lactic fermentation. This results in a buildup of lactic acid in the blood leading to a condition called lactic acidosis .

Therefore, cells undergo fermentation because pyruvate cannot be metabolized to proceed into the Krebs cycle.

Selective breeding is the practise of selecting particular animal characteristics consciously in order to pass them on to succeeding generations.

Humans have been selectively breeding cattle for many years to enhance their traits for particular uses, like the production of milk or meat. Cattle's size and weight are among the traits that are most likely to have resulted from selective breeding. Modern breeds of cattle are significantly larger than their wild ancestors as a result of ranchers' selective breeding for larger size and weight over time. This is because larger cattle can produce more milk or meat, which is advantageous for farmers from an economic standpoint. Other traits that cattle may have undergone selective breeding include temperament, disease resistance, and the quality of their milk or meat.

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