Hey I'm Kailey and i need help plzzz asap Based on your study of viruses which of the following is(are) a reason scientists give for saying that viruses are not living organisms?

Question 2 options:

They cannot reproduce without the aid of a host


They use energy but cannot metabolize food into energy


They do not have organized cells


All of the above WILL MARK BRAINLIEST!!!!

Bones are very much alive, as they grow, repair, and produce essential blood cells for our bodies. These functions demonstrate that bones are not just static, dead structures, but rather vital components of our living bodies.

I understand why people might associate bones with graveyards and Halloween, but bones are actually living, dynamic structures in our bodies. To help change your kid sister's mind, consider these points:

1. Growth: Bones grow throughout childhood and adolescence, which shows that they are alive. The process called ossification allows bones to lengthen and widen, contributing to our overall growth.

2. Repair: When bones are damaged or fractured, they have the ability to repair themselves. This healing process involves cells called osteoblasts and osteoclasts, which rebuild and reshape the bone, indicating that bones are not dead structures.

3. Production: Bones are also responsible for producing blood cells in our bodies. This process, called hematopoiesis, occurs in the bone marrow, which is a soft, living tissue within bones.

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Answer:

The moon does due to gravitational pull on the earth.

Answer:

The moon

Explanation:

its closer

Explanation:

When resources are limited, populations exhibit logistic growth. In logistic growth, population expansion decreases as resources become scarce, leveling off when the carrying capacity of the environment is reached, resulting in an S-shaped curve.

it's not easy to eat healthy especially with all the fast-food chains situated around urban areas. but there should still be affordable, healthy food in supermarkets in stuff like that in urban/rural areas. fast-food should not be the only avaliable food around, but since it tastes good and is sold cheaply its eaten a lot, which negatively affects the health of people living in those areas

C. Genetic diseases are TREATABLE but not CURABLE.

Answer:

C

Explanation:

cause it it is fool!!!!!!

Let us represent the heterozygous with freckles by Ff and the homozygous with no freckles by ff. Thus, we construct the following Punnet square:

From this punnet square we see that:

50% of the offspring will be heterozygous with freckles (Ff).

50% of the offspring will be homozygous with no freckles (ff).

The given article "The role of the c. elegans mena/vasp homolog unc-34 in neuronal polarity and motility" has mentioned the molecular and developmental study of how unc-34 genes affect the nervous system of Caenorhabditis elegans, a small nematode.

The article explains how the unc-34 genes are responsible for the coordination and directionality of the growth of axons and dendrites.

The paper in the given article describes the analysis of the role of the UNC-34 protein in the axonal and dendritic growth of the neuronal cells of Caenorhabditis elegans.

As per the article, the UNC-34 protein belongs to a family of conserved actin-binding proteins known as Ena/VASP (Enabled/vasodilator-stimulated phosphoprotein).

The UNC-34 gene encodes a homolog of Ena/VASP in the nematode C. elegans.UNC-34 protein and its homologs are required for the coordinated extension of filopodia and lamellipodia in a variety of cell types and organisms.

They regulate actin dynamics, leading edge protrusion, and cell motility.

In this study, the role of the UNC-34 protein in neuronal polarity and motility was examined in the nematode C. elegans. It was found that the UNC-34 protein is involved in the formation of axons and dendrites, as well as the directional growth of neurites.

Additionally, it was observed that the UNC-34 protein is required for the migration of neurons to their final positions.

The study indicates that UNC-34 plays a significant role in neuronal polarity and motility in C. elegans. It regulates the development of neurites and the directional growth of axons and dendrites. It also facilitates neuronal migration to their final positions.

Thus, the research highlights the importance of Ena/VASP homologs in the development of the nervous system.

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has a sizable percentage of its npp devoted to secondary chemicals. This is due to the possibility of secondary chemicals, such as poisons and other chemical defences, aiding in the plant's herbivore defence.

The warm, swampy atmosphere may also encourage the development of bigger plants with more powerful roots that can help them anchor themselves and take up nutrients from the nutrient-rich soil. The plant can thrive under these circumstances by allocating a large part of NPP to the roots. Life on Earth depends on a wide variety of creatures called plants. Through the process of photosynthesis, they are primary producers that turn light, water, and carbon dioxide into energy. The development and reproduction of the plant are then fueled by this energy.

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Blood is a type of connective tissue composed of an extracellular matrix called plasma surrounding a variety of cells.

Blood is a type of tissue that plays a vital role in the circulatory system, transporting oxygen, nutrients, hormones, and waste products throughout the body. It is composed of an extracellular fluid called plasma and a variety of cells, including red blood cells (erythrocytes), white blood cells (leukocytes), and platelets (thrombocytes).

Plasma is a yellowish fluid that makes up about 55% of the total volume of blood and contains water, proteins, salts, and dissolved gases. The cells in blood are suspended in the plasma and are essential for maintaining the health of the body.

Red blood cells, or erythrocytes, contain hemoglobin, which binds to oxygen and carries it to the tissues. White blood cells, or leukocytes, play a crucial role in the immune response by attacking and destroying foreign invaders such as bacteria and viruses. Platelets, or thrombocytes, are involved in blood clotting and help prevent excessive bleeding when the body is injured.

Together, the plasma and cells of blood work together to maintain the health and well-being of the body by transporting essential substances, protecting against disease, and regulating fluid balance.

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Answer:

s phase

Explanation:

it's known as s phase

Genetically modified mosquitoes will have their reproduction impeded and will also cause to spread of a gene that will prevent them to pass diseases from one mosquito to another.

Mosquitoes will spread fewer cases of serious diseases, including malaria and Zika.

The activity of pepsin would gradually decreases when it is exposed to higher pH in the small intestine. This is because in higher pH the enzyme pepsin denatures.

The role of Pepsin in the stomach is determined by the fact that it serves to digest proteins found in ingested food. The Gastric chief cells typically secrete pepsin as an inactive zymogen called pepsinogen.

Parietal cells within the stomach lining effectively secrete hydrochloric acid that ultimately decreases the pH of the stomach. A low pH (1.5 to 2) activates pepsin.

It is thought that the role of pepsin is better played in the pH lies between 1.5-2. But when pepsin enters the region of the small intestine, the pH gradually increases and reaches 8. At this, the activity of pepsin is inhibited due to its denaturation.

Therefore, the activity of pepsin would gradually decrease when it is exposed to higher pH in the small intestine. This is because in higher pH the enzyme pepsin denatures.

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Answer:

I think its B

Explanation:

I know it not C or D bc when it comes to multiple choices questions you can always cross out two. Then this leaves A or B. I think its is B bc on the top it says "shows the relation".

Let me know if i got it right. Sorry if you got it wrong

The first strand cDNA synthesis corresponds to the primer annealing phase.

Complementary DNA (cDNA) is a type of DNA synthesized from a single-stranded RNA (ssRNA) template by the enzyme reverse transcriptase, which is found in retroviruses and certain RNA viruses. As the name implies, cDNA is complementary to the RNA template, which means that it has a similar sequence of bases to the RNA.

cDNA differs from genomic DNA in that it only contains sequences from the expressed genes of an organism, whereas genomic DNA contains sequences from all genes, both expressed and unexpressed. So, the first strand cDNA synthesis corresponds to the primer annealing phase.

The first-strand cDNA is synthesized from the mRNA template in the presence of an oligo(dT) primer, which anneals to the poly(A) tail of the mRNA. Reverse transcriptase is then used to synthesize cDNA, which is complementary to the RNA template.

After the first strand of cDNA has been synthesized, the RNA template is degraded using RNase H enzyme, and a second-strand cDNA is synthesized using DNA polymerase I and RNase H.

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The environmental factor that usually has the most significant direct effect on the distribution of terrestrial species groups is available moisture.

Water availability directly influences the survival, growth, and reproduction of plants and animals in terrestrial ecosystems. It plays a crucial role in shaping the distribution and abundance of species, as different organisms have varying requirements for moisture levels. Areas with higher moisture levels can support greater species diversity, while arid regions with limited water availability have more specialized and adapted species. Water availability affects not only individual organisms but also ecosystem processes such as nutrient cycling and primary productivity. Understanding the relationship between moisture and species distribution is essential for studying and managing terrestrial ecosystems. It helps predict the impacts of climate change, land use changes, and water management practices on biodiversity and ecosystem functioning. Conservation efforts aimed at preserving and restoring moisture-dependent habitats are crucial for the long-term sustainability of terrestrial species.

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Yes, small changes in just one part of the climate system can have a global impact. For example, the melting of Arctic sea ice has the potential to impact global weather patterns and ocean currents, as well as to release methane gas from the seafloor, which is a potent greenhouse gas.

One example of a small change in a regional climate system that could have a global impact is the melting of glaciers in the Himalayas. According to a news article from the BBC, glaciers in the region are melting at an unprecedented rate due to rising temperatures. This is having a number of impacts, including changes in water availability and increased flooding risk in nearby regions.

However, the melting of glaciers in the Himalayas is also causing sea levels to rise around the world, as the meltwater flows into the oceans. This can have significant impacts on low-lying coastal regions, including increased risk of flooding and erosion, as well as impacts on ecosystems and human communities.

Overall, small changes in regional climate systems can have far-reaching impacts on the global climate, highlighting the importance of addressing climate change at both the local and global levels.

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Answer:

Typically, scientists communicate their work within the scientific community by writing and publishing research articles and presenting posters and oral communication of scientific conferences.

Answer:

Scientists often communicate their research results in three general ways. One is to publish their results in peer-reviewed journals that can be ready by other scientists. Two is to present their results at national and international conferences where other scientists can listen to presentations.

During graded exercise, cardiac output increases while a-vO2 difference decreases.

Together, these changes cause oxygen consumption to increase. This is because the increase in cardiac output allows for greater blood flow to the muscles, while the decrease in a-vO2 difference indicates that more oxygen is being extracted by the muscles, resulting in an overall increase in oxygen consumption.

As the body works harder during exercise, it requires more oxygen to meet the increased energy demands.

This increased demand is met by the cardiovascular system working harder to deliver oxygen-rich blood to the muscles. As a result, oxygen consumption increases, allowing the muscles to continue working at a higher level.

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Answer: All living things are composed of single cells or multiple cells I guess?

Answer:

All living things are composed of single cells or multiple cells.

Explanation:

.

Answer:Scientists believe that eukaryotes evolved from prokaryotes around 2.7 billion years ago. The primary distinction between these two types of organisms is that eukaryotic cells have a membrane-bound nucleus and prokaryotic cells do not.

Explanation:

Answer:

Many farmers and gardeners compost their plant and animal waste. The living material naturally decays in compost bins, forming a dirt-like substance that's rich in nutrients. ... This fertiliser caused his plants to grow faster and taller than they grew in unfertilised soil, artificial fertiliser provides lacking minerals which also speeds up growth, it depends on the richness of minerals in the compost and the quality of artificial fertiliser

Answer:

Explanation:

maybe brown eyes dominate more

Answer:

During the long voyage, Darwin made many observations that helped him form his theory of evolution. For example: He visited tropical rainforests and other new habitats where he saw many plants and animals he had never seen before (see Figure below). This impressed him with the great diversity of life

Explanation:

: )

Answer:

Virchow s postulates

.

Explanation:

Plant biology, bioscience, and biotechnology are ways to modify or enhance existing plants and animals artificially. The term "Genetic modification" refers to the use of scientific methods to alter DNA, enzymes, or GFP.

Agricultural Biotechnology:

A variety of methods, such as conventional breeding practices, that modify living organisms or components of living organisms in order to produce or modify products, enhance plants or animals, or create microbes with particular agricultural applications. Today's biotechnology also uses genetic engineering technologies.

Genetic modification:

Genetic engineering or more conventional techniques are used to produce heritable changes in plants or animals for particular purposes. Besides the United States, some other nations use this phrase to refer particularly to genetic engineering.

Thus, plant biology, bioscience, and biotechnology are ways to modify or enhance existing plants and animals artificially. The term "Genetic modification" refers to the use of scientific methods to alter DNA, enzymes, or GFP.

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The complete question is-

Complete the sentences using the correct term.

Plant biology/bioscience/biotechnology is a means to artificially improve or modify existing plants and animals. It uses scientific processes to make changes to the genetic material enzymes/DNA/GFP ______.

Answer:

DNA is one of the major sources might be wrong tho

Explanation:

DNA and the genetic code reflect the shared ancestry of life. DNA comparisons can show how related species are. Biogeography. The global distribution of organisms and the unique features of island species reflect evolution and geological change.

The correct sequence of events in cellular respiration is option a: glycolysis, citric acid cycle, electron transport chain.

During cellular respiration, glucose is broken down to produce energy in the form of ATP. The process starts with glycolysis, which occurs in the cytoplasm and involves the breakdown of glucose into pyruvate molecules. Glycolysis generates a small amount of ATP and NADH.

The pyruvate molecules produced in glycolysis enter the mitochondria, where the citric acid cycle, also known as the Krebs cycle, takes place. In this cycle, the pyruvate is further broken down, releasing carbon dioxide and generating NADH and FADH2 as electron carriers. The citric acid cycle also produces a small amount of ATP.

The electron carriers NADH and FADH2 then participate in the electron transport chain, which is located in the inner membrane of the mitochondria. In the electron transport chain, the electrons from NADH and FADH2 are transferred through a series of protein complexes, creating a flow of electrons that drives the synthesis of ATP. This process is known as oxidative phosphorylation.

Therefore, the correct sequence of events in cellular respiration is glycolysis, citric acid cycle, and electron transport chain, as stated in option a.

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Question

Which of the following is the correct sequence of events in cellular respiration?

a. glycolysis, citric acid cycle, electron transport chain

b. glycolysis, preparatory reaction, citric acid cycle, electron transport chain

c. glycolysis, electron transport chain, preparatory reaction

d. citric acid cycle, glycolysis, electron transport chain, preparatory reaction

e. citric acid cycle, electron transport, glycolysis, preparatory reaction

Answer/Explination:

Water ends up in large bodies of water because of the percipitation/rain, When it rains all the water that has fallen down lands in large water bodies, And if it doesn't  precipitape then water is collected by groundwater seeps out of the ground.