what stage of the cell cycle happens last?

Answer:

Phylum.

Order.

Class.

Family.

Genus.

Species.

Explanation:

For the thin homogeneous wire shown, determine the x coordinate of its centroid using the "method of parts" 7.50 in. 4.50 in. 21.0 in. 18.0 in.

Since some homologous components may only be detected during the development of an embryo, embryology is crucial to understanding how a species has evolved.

Paleontological evidence, missing pieces, comparative anatomy, and morphology are all examples of organic evolution evidence. organismal comparison embryology, biogeographical evidence

The field of biology known as embryology examines the many stages of embryonic development. It has been discovered that the features and appearance of embryos from fish, amphibians, reptiles, aves, and mammals are identical. Hence, embryology helps us understand evolution.

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Answer:

this link is the answer https://www.scribd.com/document/487194021/protein-synthesis-gizmo

One possible hypothesis for the Protein Synthesis Gizmo could be: "If the availability of amino acids is increased, then the rate of protein synthesis will also increase."

This hypothesis suggests that the amount of protein synthesized by the cell is directly influenced by the availability of amino acids, which are the building blocks of proteins. Amino acids are monomers of protein.

By increasing the supply of amino acids, it is expected that the cell will have more resources to engage in protein synthesis. It causes an increase in the rate at which proteins are produced.

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Ecosystem services is an example of how nature contributes to the supply of clean water. Ecosystem services are benefits that people obtain from ecosystems. They are distinguished into four categories: provisioning, regulating, cultural, and supporting services.

Ecosystem services include the provision of clean air and water, the pollination of crops, the mitigation of natural disasters, and the provision of recreational opportunities. Nature provides a variety of ecosystem services that are essential to human well-being. The supply of clean water is an example of ecosystem services. The water we drink comes from rivers, lakes, and underground aquifers that are replenished by rain and snowmelt.

These freshwater ecosystems not only provide us with water but also with food, fiber, and recreation opportunities. That nature contributes to the supply of clean water is an example of ecosystem services. Ecosystem services are benefits that people obtain from ecosystems.

The supply of clean water is one such service provided by nature, and it is essential for human well-being. The water we drink comes from rivers, lakes, and underground aquifers that are replenished by rain and snowmelt. These freshwater ecosystems not only provide us with water but also with food, fiber, and recreation opportunities.

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Answer:

shh, im just as confused as you, ask ur teacher for help or ur parent

Explanation:

Answer:

Its B

Explanation:

Edge 2021

Answer:

The correct answer is D. All of the above

Explanation:

E2020!

Answer: Abrupt deaths of some moth populations

Explanation: I have the answer key

Habitat isolation is likely to be most relevant in the case of trumpeters in the Amazon basin.

If trumpeters can not cross rivers, then they would be able to mate with trumpeters on the same side of the river but not on the other side- a form of prezygotic isolation.

what are trumpeters?

The term "trumpeter" comes from the deep, booming territorial call of these chicken-sized, long-necked, hunch-backed, small-headed, short-tailed, dark-plumed, long-legged birds that wander the jungle floors of South America.The land of South America that now the Amazon River and its tributaries drain is recognized as the Amazon basin.

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In this case, the scientific method can be used to confirm weight loss in 75% of cases by a preclinical assay.

A research question is a given question that can be solved by using the scientific method (e.g., can this drug be used to loss weight?).

A hypothesis is a given explanation of an observation from a question of the real world (in this case, the target drug is effective 75% of cases).

The experimental procedure, in this case, may involve taking two sample populations and supplying the target drug to one to observe if is statistically associated with weight loss.

In conclusion, in this case, the scientific method can be used to confirm weight loss in 75% of cases by a preclinical assay.

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Answer:

Consumer: a person or thing that eats or uses something.

Producer: an organism that produces. (makes) its own food.

Explanation:

Hope that helps buddy :)

The hormone that aids the stress response by promoting water retention and acting as a vasoconstrictor is aldosterone. Aldosterone is produced by the adrenal glands in response to low blood pressure or low blood volume. It helps the kidneys retain sodium and water, which can increase blood volume and maintain blood pressure.

Aldosterone also acts as a vasoconstrictor, which means it can narrow blood vessels, increasing blood pressure further. This hormone is critical for maintaining proper electrolyte balance and fluid levels in the body, and its regulation is essential for overall health.

In contrast, cortisol is a hormone that is produced in response to stress, and it can also affect fluid balance, but not as directly as aldosterone. Angiotensin II and ADH (vasopressin) are also hormones that can influence fluid balance and blood pressure, but they do so through different mechanisms.

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Answer:

Explanation:

Answer and Explanation: The water cycle is a closed system because new water is never added to the earth or its atmosphere, nor is water ever removed.

Answer:

C. The total amount of water in the system does not change.

Explanation:

I'm not 100% sure this is the correct answer, but it's the one I chose.

Sex-linked traits are genes carried on the sex chromosomes, the X and the Y chromosome. Only males carry the Y chromosome, and therefore all genes on the Y chromosome are passed down to the son. Women carry two X chromosomes; therefore, sex-linked traits can be passed on from both the mother and the father.

Examples of sex-linked traits include red-green colour blindness and haemophilia.

In codominance, both alleles are expressed in the phenotype of heterozygous offspring. The human ABO blood group is an example of codominance.

There are three alleles for the ABO gene: IA, IB, and I (i is recessive to both IA and IB). If an individual is heterozygous for both the IA and IB alleles, they will express both A and B antigens on their red blood cells. If they are homozygous for either IA or IB, they will express only one antigen on their red blood cells.

Incomplete dominance occurs when neither allele is dominant nor recessive, but instead, the phenotype is a blend of both. An example of incomplete dominance is the snapdragon flower, which has a red flower and a white flower. When the red flower is crossed with the white flower, the resulting offspring have pink flowers, which is a blend of red and white. The genotype for pink flowers is Rr, where R represents the red allele, and r represents the white allele.

When two pink flowers are crossed, their offspring will have a ratio of 1:2:1 of red, pink, and white flowers.

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Answer:

•Photosynthesis removes carbon dioxide from the atmosphere, and cellular respiration  puts it back.

Explanation:

Photosynthesis:

It is the process in which in the presence of sun light and chlorophyll by using carbon dioxide and water plants produce the oxygen and glucose.

Carbon dioxide + water + energy →   glucose + oxygen

water is supplied through the roots, carbon dioxide collected through stomata and sun light is capture  by chloroplast.

Cellular respiration:

It is the breakdown of glucose molecule in the presence of oxygen to yield large amount of energy. Water and carbon dioxide are also produced as a byproduct.

Glucose + oxygen → carbon dioxide + water + 38ATP

In this way it release the carbon dioxide back into atmosphere.

Answer:

To summarize what we know to this point, the cellular process of transcription generates messenger RNA (mRNA), a mobile molecular copy of one or more genes with an alphabet of A, C, G, and uracil (U). Translation of the mRNA template converts nucleotide-based genetic information into a protein product. Protein sequences consist of 20 commonly occurring amino acids; therefore, it can be said that the protein alphabet consists of 20 letters. Each amino acid is defined by a three-nucleotide sequence called the triplet codon

Bioinformatics can be used to investigate biological questions at multiple levels, including DNA, RNA, protein, molecular networks, cells, and physiology/diseases. The correct option is "all of the above".

These different levels represent key aspects of biological systems, and bioinformatics provides tools and methods to analyze and interpret data at each level.

At the DNA level, bioinformatics allows researchers to analyze DNA sequences, identify genes, predict regulatory elements, and study DNA variations. This includes tasks such as sequence alignment, genome assembly, and variant calling.

For RNA, bioinformatics plays a crucial role in analyzing RNA sequences, studying gene expression, predicting RNA structures, and analyzing RNA-protein interactions. This involves tasks like transcriptome analysis, differential expression analysis, and RNA structure prediction.

In terms of proteins, bioinformatics tools enable the analysis of protein sequences, structure prediction, functional annotation, and protein-protein interaction studies. This includes tasks such as sequence alignment, protein domain identification, and protein interaction network analysis.

Bioinformatics also allows researchers to analyze and model complex molecular networks, such as metabolic networks, signaling pathways, and gene regulatory networks. This involves tasks like network reconstruction, pathway enrichment analysis, and network visualization.

Furthermore, bioinformatics provides methods to study cellular processes and dynamics, including cell signaling, cellular pathways, and cellular response to stimuli. It enables the analysis of high-throughput data generated from techniques like transcriptomics, proteomics, and metabolomics.

Lastly, bioinformatics is used in the study of physiology and diseases, including the genetic basis of diseases, identification of disease-associated genes or mutations, and understanding molecular mechanisms.

In conclusion, bioinformatics is a versatile field that can be applied to investigate biological questions at multiple levels, encompassing DNA, RNA, protein, molecular networks, cells, and physiology/diseases. The correct option is "all of the above".

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Answer:

5. The Radial Artery.

Explanation:

This is the best place to take the pulse of a conscious adult. Especially since it is less invasive.

Hopefully this is correct. Have a wonderful day!

Answer:

I've filled this in for you

Explanation:

hopefully this helps!

#19

Polar nuclei fuse to produce Diploid secondary nucleus.

#20

After fertilisation the antipodal cells undergo meosis

#21

In which of the following double fertilisation occurs.

Ans:- Angiosperm s

#22..

In angiosperms pollen grains germinate on the Anther.

Answer:

q.19 Diploid Secondary nucleus

q.20 Undergoes miosis

q.21 Angiosperms

q.22Anther

Answer:

Adenine, Thymine, Guanine, and Cytosine

They possess complimentary paring. Meaning the one will only bind another, and will not bind with and other one

Explanation:

DNA has four types of bases, such as adenine (A), guanine (G), cytosine (C), and thymine (T). Adenine forms double hydrogen bonds with thymine, while guanine forms triple hydrogen bonds with cytosine.

DNA is called deoxyribonucleic acid. It is a polymer of nucleotides. Each nucleotide is made up of a phosphate, a pentose sugar, and a nitrogenous base. In DNA, there are four types of nitrogenous bases, such as adenine (A), guanine (G), cytosine (C), and thymine (T).

Adenine and guanine are purines and double-ringed structures. Cytosine and thymine are pyrimidines and single-ringed structures. A purine forms a bond with a pyrimidine. Adenine (A) forms a double hydrogen bond with Thymine (T), and Guanine (G) forms triple hydrogen bonds with Cytosine(C).

Hence, in DNA, four nucleotides are found: adenine (A), guanine (G), cytosine (C), and thymine (T). Adenine pairs with thymine, while guanine pairs with cytosine.

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Answer:

true

Explanation:

For usage against gram-negative bacteria, penicillin medicines are advised.

Broad-spectrum medications that work against both gram-positive and gram-negative pathogens include penicillin, tetracycline, and erythromycin. Klebsiella, Acinetobacter, Pseudomonas aeruginosa, and E are among the organisms that can cause gram-negative infections. E. coli and numerous more, less frequent germs

The first aminoglycoside antibiotic, streptomycin, was first isolated from the bacteria Streptomyces griseus. It now primarily functions as a component of a multi-drug regimen used to treat pulmonary tuberculosis. It also has additional efficacy against a number of gram-negative aerobic bacteria.

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An individual with sedentary lifestyle might be at risk for hypokinetic diseases such as high blood pressure. Moderate physical activity such as walking and biking gives a great benefit to avoid such risk. Moderate physical activity can reduce major medical conditions that might lead to early death. Too little movement or activity might lead to hypokinetic diseases. Regardless of the intensity of the physical activity, it will lower the risk of an early death due to hypokinetic diseases.

Answer:

The Answer is C.

Explanation:

The three cellular components that are present in both prokaryotes and eukaryotes are the nucleus, ribosomes, and RNA.

In prokaryotes, such as bacteria, there is no distinct nucleus. However, they still have a region called the nucleoid where their DNA is located. Prokaryotes also have ribosomes, which are responsible for protein synthesis, and they contain RNA, including messenger RNA (mRNA) and transfer RNA (tRNA).

In eukaryotes, such as plants, animals, fungi, and protists, the nucleus is a well-defined organelle that contains the DNA. Eukaryotic cells also have ribosomes, which play a role in protein synthesis, and they possess various types of RNA, including mRNA, tRNA, and ribosomal RNA (rRNA).

Therefore, the presence of the nucleus, ribosomes, and RNA is a shared characteristic of both prokaryotic and eukaryotic cells.

The three cellular components that are present in both prokaryotes and eukaryotes are ribosomes, DNA, and RNA. Therefore, option (A) is correct.

A single-celled organism known as a prokaryote does not have a cell nucleus or any other membrane-bound organelles. Eukaryotes are multicellular organisms with a distinct nucleus and organelles in their cells that are bound by a membrane.

Ribosomes are answerable for protein union and are available in both prokaryotic and eukaryotic cells. Both types of cells contain DNA and RNA, which are essential components of genetic information.

All of an organism's genetic information is stored in the hereditary material known as DNA, and it is RNA's job to translate this information into the proteins that make up the structure and functions of the organism. The three components of a cell that are found in both prokaryotes and eukaryotes are ribosomes, DNA, and RNA.

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Answer:

Structure and Function

Explanation:

Answer: Cells are basic units of structure and function in living things. This means that cells form the parts or an organism and carry out all of the an organism's processes, or functions.

Answer:

There is growing evidence to indicate that age-related declines in growth hormone (GH), insulin-like growth factor (IGF)-1, and androgen and estrogen production play a role in the pathogenesis of sarcopenia (an age-related decline in muscle mass and quality). Although GH supplementation has been reported to increase lean body mass in elderly individuals, the high incidence of adverse effects combined with a very high cost has limited the applicability of this form of therapy. The assessment of an alternative approach to enhance the GH/IGF-1 axis in the elderly by using GH-releasing hormone and other secretagogues is currently under way and is showing some promise. Testosterone replacement therapy may increase muscle mass and strength and decrease body fat in hypogonadal elderly men. Long-term randomised, controlled trials are needed, however, to better define the risk-benefit ratio of this form of therapy before it can be recommended. Available data are currently insufficient to decide what role estrogen replacement therapy may play in the management of sarcopenia. Therefore, although the evidence linking age-related hormonal changes to the development of sarcopenia is rapidly growing, it is still too early to determine the clinical utility of hormonal supplementation in the management of sarcopenia.