From the life cycle of a plastic bottle, what is the best definition for the word "enzyme"?

Explanation:

possible benefits of genetic engineering include:

More nutritious food

Tastier food

Disease- and drought-resistant plants that require fewer environmental resources (such as water and fertilizer)

Less use of pesticides

Increased supply of food with reduced cost and longer shelf life

Faster growing plants and animals

Food with more desirable traits, such as potatoes that produce less of a cancer-causing substance when fried

Medicinal foods that could be used as vaccines or other medicines

During the laboratory exercise of studying the function of the pleural membranes, you can use a plastic bag for the lung model to represent the pleural membranes. A balloon or plastic bag filled with air can be used to represent the lungs and a plastic bag surrounding it can represent the pleural membranes.

The pleura are two membranes that form a thin layer of tissue surrounding the lungs. It has two layers, the visceral pleura (which is in direct contact with the lungs) and the parietal pleura (which is adjacent to the thoracic wall). These membranes create the pleural cavity and secrete pleural fluid that enables the lungs to move freely within the thoracic cavity during breathing.

In the laboratory exercise, students can use a model to represent the pleural membranes. They can use a plastic bag to represent the visceral pleura, and another plastic bag to represent the parietal pleura. The plastic bags can be sealed and filled with water to represent the pleural cavity. The water represents the pleural fluid that is secreted by the pleural membranes.

A model like this can help students visualize and understand the function of the pleural membranes in the respiratory system. By manipulating the model, students can see how the lungs move within the pleural cavity during breathing, and how the pleural fluid helps to reduce friction and hold the lungs in place.

To know more about laboratory visit:

https://brainly.com/question/30753305

#SPJ11

Answer:

Troposphere - temperature decreases with altitude

Stratosphere - temperature increases with altitude

Mesosphere - temperature decreases with altitude

Thermosphere - temperature increases with altitude

Here's a visual to to the changes in temperature as altitude increases:

how many layers are in earth atmosphere ?

The Earth’s atmosphere is layered and each layer of the atmosphere has its own specific traits. The atmosphere of Earth is divided into four layers as Troposphere, Stratosphere, Mesosphere and Thermosphere

Generally, temperatures decrease with increasing height because the atmosphere distributes itself according to gravity. In the troposphere, the temperature generally decreases with altitude. The reason is the troposphere's gases absorb very little of the incoming solar radiation.

Troposphere - temperature decreases with altitude

Mesosphere - temperature decreases with altitude

The temperature increases with increasing altitude in the stratosphere because there’s a high concentration of ozone molecules.

Stratosphere - temperature increases with altitude

Thermosphere - temperature increases with altitude

to learn more about earths atmosphere

https://brainly.com/question/21981323

#SPJ2

Viruses are often isolated from cells by filtration based upon the fact that they are smaller than the pore size of the filter.

Virus, a small, basic infectious agent that can reproduce only in live cells of animals, plants, or microorganisms. The term is derived from a Latin word that means "slimy liquid" or "poison." Dmitry I, a Russian scientist, conducted the first study on the biological nature of viruses in 1892.

A virus is a submicroscopic infectious agent that multiplies solely within an organism's live cells. Viruses infect all kinds of life, including animals and plants, as well as microbes such as bacteria and archaea. They proliferate at an astonishing pace, but only in living host cells. They are acellular, which means they lack cytoplasm and cellular organelles. They have no metabolic mechanism of their own and must multiply utilising the metabolic machinery of the host cell.

To learn more about Viruses, here

https://brainly.com/question/29156932

#SPJ4

Answer:

Explanation:

Nerve cell as they send electrical impulses.

It cant be cardiac cell as that is in the heart.

And the epitherial cell covers the inside and outside off the stomach

To calculate the probability of two parents who are heterozygous for the recessive trait of albinism having two offspring both albino, we need to use the Punnett square method. The probability of each parent passing on the recessive trait to their offspring is 50%.

So, the Punnett square for two heterozygous parents (Aa x Aa) would look like this:
| A | a |
|---|---|
| A | AA | Aa |
| a | Aa | aa |
From this, we can see that there is a 25% chance of each offspring being homozygous recessive (aa), which would result in the albino phenotype.
Therefore, the probability of two parents who are heterozygous for the recessive trait of albinism having two offspring both albino is 0.25 x 0.25 = 0.0625, or 6.25%.
The probability that two heterozygous parents for the recessive trait of albinism will have two offspring, both albino, can be determined using a Punnett square. Heterozygous parents have the genotype Aa, where A represents the dominant allele and a represents the recessive allele for albinism.
For each offspring, the probability of inheriting two recessive alleles (aa) and being albino is 1/4. To find the probability of having two albino offspring, we multiply the probabilities for each child:
(1/4) * (1/4) = 1/16
Thus, the probability that two heterozygous parents will have two offspring both albino is 1/16.

To know more about albinism visit:

https://brainly.com/question/31808725

#SPJ11

Answer:

Explanation:

For respiration to start overall glucose and oxygen is required and during the whole process you receive atp and the outcomes of the process is atp, carbon, and water.

i don't know about 2

Anaerobic produces only two and aerobic produces 38.The reason is being anaerobic runs on no oxygen and is a smaller process i guess

I am doubting myself on this but glycolysis and citric acid cycle does produce atp and the cirtic acid cycle produces nadh, atp, and fadh which are important for the etc which will help create more atp

Your muscles hurt because your body is performing fermentation (watch ameoba sisters) i dont know they explain it well

and i dont know  about 6

sorry if i wasn't a lot of help

Yes, mammals co-existed with dinosaurs. During the time of the dinosaurs, mammals coexisted with these large reptiles.

However, the extinction of the dinosaurs, which is believed to have been caused by a combination of an asteroid impact and volcanic activity, had a significant impact on the Earth's ecosystems.

With the disappearance of the dinosaurs, there were many new ecological niches available for other organisms to occupy.

Mammals, which were typically small and active at night during the dinosaur era, were among the beneficiaries of this shift.

They began to diversify and adapt to the new ecological opportunities created by the dinosaur extinction event.

As a result, they evolved into a wide range of different forms and sizes, occupying various ecological roles.

This diversification and evolution of mammals after the dinosaur extinction led to the emergence of many new groups of mammals and contributed to the development of the wide variety of mammals that exist today.

Thus, the extinction of dinosaurs played a key role in shaping the evolutionary history of mammals.

learn more about mammals.

https://brainly.com/question/30258321

#SPJ11

Judith is startled when her six-year-old daughter, Laura, sleepwalks into the family room. It is most likely that Laura is experiencing the first stage of the sleep cycle. Thus, the correct option is B.

The first sleep cycle is the most common stage in which sleepwalking or somnambulism can occur. The first sleep cycle, which lasts around 90 minutes, consists of light sleep. Sleepwalking is an occurrence in which a person walks while still asleep, thus unconsciously. It is a behavioral disorder that typically occurs during deep sleep cycles and affects approximately 20% of children.

Sleepwalking is most likely to occur during the first third of the sleep cycle, during slow-wave sleep. Children are more prone to sleepwalking, and it usually disappears as they get older. Because of the safety concerns connected with sleepwalking, it is critical to understand the condition and to take safety precautions during sleep to avoid harm.

Learn more about Sleep stages here:

https://brainly.com/question/30826813

#SPJ11

Answer:

When it comes to photosynthesis, the most important parts of the plant are the leaves. Their cells and structures are specialized to take in light and allow for gas exchange with the air around them. They also contain vascular structures that transport water from the roots into the cells that carry out photosynthesis.

1. The plant’s vascular tissues—xylem and phloem—transport water to the leaves and carry glucose away from the leaves.

Anyone who cares for plants could probably tell you that pouring water directly onto the leaves isn’t the best idea. Plants absorb water from the soil, using their roots.

As you probably already know, water is necessary for photosynthesis, which primarily occurs in the plant’s leaves. You might wonder how the water gets from the roots into the leaves, and the answer is through the plant’s vascular system! Just like the veins and arteries that circulate blood throughout our bodies, the plant’s vascular tissues move water, nutrients, and the products of photosynthesis throughout the plant.

A plant’s vascular tissues move water, nutrients, and the products of photosynthesis throughout the plant.

When a plant’s roots absorb water and nutrients from the soil, these materials move up the stem and into the leaves through the xylem. Capillary action—which relies on liquid’s properties of cohesion, surface tension, and adhesion—is what allows water to “defy gravity” as it travels through the xylem and into the leaves.

Once photosynthesis has occurred, the produced sugars move through the phloem to other parts of the plant to be used in

Answer:

C- joined strands of duplicated genetic material

Explanation:

key words duplicated sister

before I answer this question can you specify

Your friends are most likely in a grassland biome.

A biome is a large, geographically distinct area of the Earth's surface where a certain type of ecosystem exists. Biomes are usually characterized by their climate, vegetation, and animal life. Examples of biomes include rainforests, deserts, tundra, and coral reefs.

Other examples of biomes include grasslands, temperate forests, alpine regions, and estuaries. Each biome has its own unique set of characteristics, such as its climate, soil, and vegetation. The unique combination of these characteristics creates an environment that is home to a variety of species of plants and animals.

Learn more about biome here:

https://brainly.com/question/1930321

#SPJ1

Answer:

an apple causes antibiotic resistance

The large bridge of connections in the brain that allows for lateral interaction is called the corpus callosum.

It is a thick band of nerve fibers that connects the left and right hemispheres of the brain. The corpus callosum allows for communication between the two hemispheres, which is essential for many cognitive functions, such as language, attention, and memory.

The corpus callosum is made up of about 200 million nerve fibers. These fibers are bundled together into bundles called tracts. The tracts are arranged in a specific way, which allows for different types of information to be transmitted between the hemispheres.

The corpus callosum is not fully developed at birth. It continues to grow and develop throughout childhood and adolescence. This growth and development is important for the development of cognitive skills.

To know more about corpus callosum, refer here:

https://brainly.com/question/27961008#

#SPJ11

Answer:

El adenosín trifosfato (ATP), es la moneda energética de los seres vivos. Para poder ser sintetizado, los organismos requieren oxidar los sustratos energéticos de la dieta, proteínas, grasas y carbohidratos. Inicialmente estas sustancias tienen vías metabólicas separadas hasta alcanzar en su degradación un metabolito común que es el acetil CoA. A partir de este punto en el ciclo de Krebs, con producción de CO 2 e hidrogeniones, estos últimos se transportan por reducción de óxido a la cadena respiratoria donde se formará agua endógena y ATP. Para lograr esta oxidación de los sustratos con alta producción de energía, es indispensable el oxígeno que actúa como comburente en las reacciones.

Explanation:

espero que te ayude

At large spatial scales, north american bird populations are clumped

A population is made up of every organism of a specific species that resides in a specific location. A population of organisms may be dispersed randomly, uniformly, or clumped. When a population is described as uniform, it is equally spaced, random shows uneven spacing, and clumped, it is dispersed in groups.

The main risks to bird populations in North America include habitat loss, climate change, and overexploitation of certain species. Bird distribution in North America is clumped together on a huge spatial scale due to staggering global decreases in bird populations.

To learn more about spatial scales. Click, https://brainly.com/question/14781354

#SPJ4

In a DNA double helix, adenine pairs with Thymine and guanine pairs with  cytosine.

The nitrogenous bases present in DNA are purine (guanine and adenine) and pyrimidine (thymine and cytosine).  The process to complementary base pairing rule, the number of purines in DNA is equal to the number of pyrimidines  which means in DNA, adenine (A) forms a bond with thymine (T), and guanine (G) forms a bond with cytosine (C).

The number of bonds present between A–T is two ,on the other hand bond between G–C is three. Which means G–C bonds are very hard to break. Uracil is a nitrogenous base present in RNA (ribonucleic acid) and is absent in DNA.

Hence ,the correct option is d

To learn more about DNA double helix, here

brainly.com/question/28493914

#SPJ1

Answer:

4 1 5 2 3

Explanation:

If shade-tolerant plants are provided with their preferred wavelength of light, but only minimal amounts of water, the following would be expected to occur; C) decreased amounts of ATP being produced by the plants.

Plants require both light and water to carry out the process of photosynthesis, in which they convert light energy into chemical energy in the form of ATP (adenosine triphosphate). While providing shade-tolerant plants with their preferred wavelength of light may optimize their ability to absorb light energy, the lack of water will limit their ability to carry out the rest of the photosynthesis process. Without enough water, the plants will not be able to produce the necessary amounts of ATP for growth and other metabolic processes. As a result, you would expect to see a decrease in the amount of ATP being produced by the plants.

More on photosynthesis can be found here: https://brainly.com/question/30847912

#SPJ11

Answer:

B

Explanation:Also this is not a bio question.

Option C. Bare rock, molten lava, with little water and little to no oxygen in the atmosphere correctly describes what conditions on Earth were like when it first formed.

Earth was a hot, hostile environment with a molten surface when it first began. There was relatively little oxygen in the early Earth's atmosphere, which was predominantly made up of gases including methane, ammonia, water vapor, and carbon dioxide. Oceans finally formed as a result of the condensation of gases like water vapor that were released throughout time as a result of volcanic activity and other activities. Over the course of Earth's history, life and the oxygen-rich atmosphere progressively evolved over billions of years. As a result, the Earth's initial circumstances were very different from what it is now.

Oceans were created as a result of the atmospheric water vapor condensing over millions of years when the Earth's surface cooled. Liquid water was necessary for the genesis and development of life on Earth. Simple single-celled creatures are thought to have existed on Earth throughout the first 3.5-4 billion years of its history. Through the process of photosynthesis, these early living forms progressively changed the environment, producing oxygen that helped the atmosphere become oxygen-rich.

To learn more about Earth, refer to:

https://brainly.com/question/26307393

#SPJ4

Answer:

Independent variable: Element that influences the appearance of a controlled and evaluable result, such as the enamel that Sarah will use on her nails.

Dependent variable: Element that is influenced by the dependent variable and promotes the visualization of a result, such as the length of time that the enamels can remain on the nail without chipping.

Experimental group: Element that allows the study of the interaction of these variables and the result developed through it, such as Sarah's enamel marks.

Control group: Element where only the independent variable is applied. As the action of the dependent variable does not exist, the observed result is the same that would be perceived if the study was not taking place, such as the day when Sarah did not paint her nails.

Constant: Elements that are exactly the same throughout the experiment, such as the person who conducted it, the time the study will be carried out, the nail care routine and the lower and upper layers of the enamels used.

Answer: Independent variable is the one that is changed and controlled: the nail polish Sarah uses.

Dependent variable is the one that is studied, the result of the dependent variable: how long the nail polish lasts.

Hypothesis is the statement that has to be proved or declined during the experiment: different nail polish lasts a different period of time without chipping.

The control group is the not exposed to changes and the independent variable is part of this group: when Sarah paints her nails (4 Sundays in a row) and the type of bottom coat and top coat as well as the weekly routine.

The experimental group contains the independent variable and it is changed for the group: the type of nail polish.

The constants are Sally since she performs the experiment; the period of research, the routine and the coats.

Internet installation method is most likely to put your computer at risk of downloading a virus.

Understanding viruses in computers

Viruses are files that interfere with the operational system on PCs and laptops, if the laptop is exposed to a virus then automatically the laptop's performance will not be maximized, usually this form of virus interference such as the ability to load becomes slower / slower, the loss of files that we save suddenly  , the laptop restarts repeatedly, if you are faced with a great virus sometimes the OS will be deleted, this will force us to reinstall the OS on the laptop.

What is called a virus in a computer is an annoying file, so every file that can interfere with the performance of the OS is a virus, this annoying file can be in the form of ordinary files that we intentionally store but are damaged, Worms, Trojan Horses, Spyware, and malicious malware that is installed either intentionally  or not.  Actually we don't need to be afraid of being too much with what is called a virus in a PC / laptop, as long as we want to take the anticipatory steps correctly, then the possibility of a virus can interfere with our laptop is very small.

Here's how to prevent and avoid viruses from entering your computer or laptop:

1.Use a compatible and bona fide antivirus, always update the antivirus;

2. If your computer or laptop is often used to browse the internet, then use an antivirus that has Internet Security features;

3.Activate Firewall on Windows that you are using;

4.Always update Security Update on Windows Security;

5. Do not get into the habit of storing data on drive C for too long;

6. Identify all the data that you store on the laptop, and immediately discard/delete if there is data that you do not recognize;

7. Delete registry files that are not needed regularly;

8. If you are going to transfer data from another device/device, try not to open it when it is still connected, so send/copy it directly and then disconnect the device/device;

9.Use cleaning tools like Ccleaner, TuneUp Utility, etc.

Learn more about computer virus at https://brainly.com/question/14621407.

#SPJ4Internet

Answer:yes  its poisonous

Explanation:

Answer:

Very much toxic for our well being

Answer:

As a whole, the frontal lobe is responsible for higher cognitive functions such as memory, emotions, impulse control, problem solving, social interaction, and motor function. Damage to the neurons or tissue of the frontal lobe can lead to personality changes, difficulty concentrating or planning, and impulsivity.

Answer:

It might be C? I would use this as a back up answer though

Genes in DNA or responsible for the traits an organism has. This is caused by Dominant and Recessive Traits. Remember that Genotypes are the genetic letters such as RR, Rr, and rr. Phenotype is physical traits.

Dominant Traits are more likely or always show in the offspring. The Dominant Genotype uses Capital letters such as RR.

Recessive Traits are less likely to show up. Their Genotype use lower case such as rr. Now genotypes of Rr have one dominant trait and one recessive trait. If the dominant trait was black fur and the recessive white fur, the offspring will be black fur because dominant traits overpower the other.

To understand how to know if an organism will have Dominant or Recessive Genes, you have to use something called a Punnet Square. Lets imagine 2 parents both have the genotype Rr. R is Black fur and r is white fur. As you can see from the chart, 3 of 4 boxes have Rr and 1 rr. Since there is a Dominant Trait with a Recessive, they will show a Dominant Phenotype, or Black fur. This has 3/4 chance and a 1/4 chance for white fur in the offspring.

| R. r

-----------------------------------

R | Rr. Rr

-----------------------------------

r | Rr. rr

Answer:

Orange trees are mature when they start to bear flowers and fruit. Reaching this stage can take as long as 10 years for some species, but will occur much sooner

Explanation:

characteristics. The tree of the sweet orange often reaches 6 metres (20 feet) in height. The broad, glossy, evergreen leaves are medium-sized and ovate; the petioles (leafstalks) have narrow wings. Its white five-petaled flowers are very fragrant.