Which plant tissue, made up of vessels, transports water and nutrients from the roots to other parts of the plant?
the plant tissue that transport water and nutriens are phloem and xylem
What is Evolution, matching
Matching evolution with correct thing from following , uniformitarianism ---- H. Uniformitarianism , 2. Darwin----- Natural selection causes evolution.(E)
3. fitness ------ A trait that increases likelihood of survival.(C)
4. Evolution--- Changes in species over time. (A)
5. Lyell----- Earth's surface is constantly changed by geological forces.(G)
6. Lamarck---- Inheritance of acquired traits causes evolution. (J)
7.Cuvier------ Catastrophism.(B)
8.natural selection----- Evolution occurs when organisms with the best traits survive and reproduce. (I)
9. Malthus---- Measure of an organism's genetic contribution to the next generation.(D)
10. catastrophism---- Sudden geological events can cause extinction. (F)
Evolution :Evolution is the evolution of a species' characteristics over several generations through the use of natural selection. Evolution is a theory in biology that says that the different kinds of plants, animals, and other living things on Earth all came from other kinds of things and changed over time. This makes it possible to tell them apart.
Natural selection :Based on how they affect an organism's ability to survive and reproduce in its environment, natural selection is the process by which certain traits or characteristics become more or less prevalent over time in a population. It occurs when people who have certain advantageous characteristics are more likely to live and reproduce, passing those characteristics on to their offspring, while people who have characteristics that are less advantageous are less likely to live and reproduce.
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thinking bigger: how early-life environmental exposures shape the gut microbiome and influence the development of asthma and allergic disease
The imbalance, or dysbiosis, of the gut microbiome of babies has been linked to an increased risk of asthma and allergic diseases. Most studies To date, they have provided a wealth of data showing correlations
between disease risk factors in early life and changes in the structure of the gut microbiome that disrupt normal immunoregulation. These studies have generally focused on a specific risk factor, such as the mode of delivery or the use of antibiotics in the first years of life. Such "micro-level" exposures have a considerable impact on affected individuals, but not necessarily on the entire population. In this review, we place these mechanisms under a broader lens that takes into account the influence of upstream "macro-level" environmental factors, such as air pollution and the built environment. While these exposures are likely to have a minor impact on the microbiome at the individual level, their ubiquitous nature gives them great influence at the population level. We focus on the characteristics of the artificial indoor and outdoor environment, their microbiomes, and the research challenges inherent in integrating built environment microbiomes with the early-life gut microbiome. We argue that an exposome perspective that integrates internal and external microbiomes with macro-level environmental factors may provide a more comprehensive framework for defining how environmental exposures may shape the gut microbiome and influence allergic disease development.
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During photosynthesis, water is broken down in a process called?
Answer: Photolysis of water.
Explanation: In photosynthesis, the light energy absorbed by the chlorophyll breaks down water molecules that release oxygen.
A scientist studied four rock fossils that show evolution of the modern-day horse dating back to 35 million years, 15 million years, 8 million years, and 1 million years ago. Which rock fossil is most similar to the modern-day horse?
Answer:
Probably the 1 million one because it is the closest time or ancestor to the current horse.
Explanation:
Which condition is appropriate for a preschooler that keeps the head very close to the table when coloring?
A.) Myopia
B.) Hyperopia
C.) Astigmatism
D.) Anisometropia
The condition is appropriate for a preschooler that keeps the head very close to the table when coloring is A.) Myopia.
This is a type of refractive error that causes the individual to have trouble seeing things far away. People with myopia can usually see objects that are near to them, but objects that are further away appear blurry and out of focus. Myopia occurs when the eyeball is too long or the cornea is too curved, this causes the light entering the eye to focus in front of the retina instead of directly on it. This can lead to symptoms like squinting, headaches, and eye strain. Myopia can be corrected with glasses or contact lenses.
In some cases, laser surgery may also be an option to correct the problem. Astigmatism is another type of refractive error that causes blurry vision, but it's not necessarily related to how close a child's head is to the table. Hyperopia and Anisometropia are also types of refractive errors, but they usually don't cause a child to hold their head close to the table. Therefore, Myopia seems to be the most appropriate condition for a preschooler that keeps their head very close to the table while coloring, so the correct answer is A.) Myopia.
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What are lymph nodes and where are they found?
Answer:
lymph flows through the lymph nodes. Lymph nodes themselves are each of a number of small swellings in the lymphatic system where lymph is filtered and lymphocytes are formed. They can be found at the neck, underarms, chest, abdomen, and groin
Explanation:
Why woman's have big hips? what are the advantages & disadvantages of having big hips?
Answer:
Women have wide hips or big hips in order to be prepared for the childbirth and permitting pregnancy. The size of the hips of the women starts to wide during puberty as hips bone widens due to the estrogen that leads to increase in size of pelvis.
Advantages of big hips in women:
Besides the sexual attraction widen or big hips are the essential for the physical support and helps in conceiving pregnancy and permitting childbirth. It is also helps in advantage of store fat.
There are not enough significant disadvantages of wide hips other than physical and sexual challenges.
Question 1: pH
To begin with, you remember that acids are at a pH below 7, bases are above 7, they turn litmus paper red or blue, and water is neutral. To further brush up your memory, you can refer to buffers. You decide to investigate further. Run the pH simulationand open the ‘Micro’ investigation. Notice on the simulation screen:
The pull down menu of substances at the top right
The 3 adjustable faucets on the right
pH scale in the middle
water components on left
Look at how the settings change with different substances.
Choose a substance such as battery acid (a 1.0 molar solution) with a pH of 1.0. Check the molecule and ratio boxes on the bottom of the screen.
Your objective is to discover what happens to the pH of battery acid when it is diluted with water. To find out, adjust the amount of battery acid to 0.5 liter (bottom faucet) and add water (top right faucet) to restore the volume to 1.0 liter (0.5 M). Record your answers for each of the following questions.
Part A
What happens to the pH of the battery acid?
Answer:
The battery acid will turn litmus paper blue to red or red litmus paper will be stay red
Explanation:
Which process requires the expenditure of
cellular energy?
A. passive transport
B.
active transport
C. osmosis
D. diffusion
Answer:
D Difusion......
help ...
Active transport requires the expenditure of cellular energy. Therefore option B is correct.
Active transport is a process that requires the expenditure of cellular energy, typically in the form of adenosine triphosphate (ATP).
In active transport, molecules or ions are moved against their concentration gradient, from an area of lower concentration to an area of higher concentration.
This movement against the concentration gradient requires energy to be expended by specific carrier proteins or pumps embedded in the cell membrane.
These pumps actively transport substances across the membrane, maintaining concentration gradients and facilitating the uptake of essential nutrients or the removal of waste products from the cell.
Passive transport, osmosis, and diffusion, on the other hand, do not require energy as they occur spontaneously along concentration gradients.
Therefore option B Active transport is correct.
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Cell process and transport toturial
As air is inhaled, which of these four structures is the last to be encountered?
a. bronchiole
b. alveoli
c. capillaries
d. veins
As air is inhaled, the structure that is last encountered is :
b. alveoli.
As air is inhaled, it first enters the nasal cavity or mouth, then passes through the pharynx, larynx, trachea, bronchi, bronchioles, and finally reaches the alveoli, which are the tiny air sacs in the lungs where gas exchange occurs.
The alveoli are the primary sites of gas exchange in the lungs. Oxygen from the inhaled air diffuses across the thin walls of the alveoli into the surrounding capillaries, while carbon dioxide from the bloodstream diffuses in the opposite direction to be exhaled. This exchange of gases occurs across the alveolar membrane, allowing oxygen to enter the bloodstream and carbon dioxide to be removed.
Thus, the correct option is : (b) alveoli
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a drug designed to poke holes into the plasma membrane of a pseudomonas aeruginosa bacteria would best be considered
A drug designed to poke holes into the plasma membrane of a Pseudomonas aeruginosa bacteria would best be considered a membrane-disrupting agent.
A membrane-disrupting agent is a chemical or compound that causes the cell's membrane to become leaky or rupture. This type of agent is used to destroy bacterial cells by disturbing the cell's membrane.In contrast, antibiotics are drugs that kill bacteria by preventing them from multiplying. Antibiotics do not directly kill bacteria, but they do prevent the bacteria from growing and dividing.A drug that pokes holes in the plasma membrane of a Pseudomonas aeruginosa bacterium would be a membrane-disrupting agent. This is because the plasma membrane is a protective layer that covers the cell and keeps out unwanted substances. If the membrane is damaged or disrupted, the cell can no longer function properly and will eventually die.Learn more about membrane-disrupting agents: https://brainly.com/question/14509595
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It is important to wear rubber gloves or a plastic face mask when administering first aid:
to keep blood or other fluids from getting on your face or hands
to protect yourself and the victim from the spread of infectious diseases
to be modest
to not only protect yourself and the victim from the spread of infectious diseases but also keep blood or other fluids from getting on your face or hands
Answer:
it's the last one
Explanation:
since you don't want to get yourself or the other person sick or infected.
Answer:
to not only protect yourself and the victim from the spread of infectious diseases but also to keep blood or other fluids from getting on your face or hands
Explanation:
Took the test
At leat 4-5 tep howing how miticide reitance developed in the twopotted pider mite population
Acaricide resistance developed in spider mite populations arises through mutation survival differentials reproductive differentials and natural selection.
Rapid reproduction rates and low dispersal capacity are factors that contribute to the ability of spider mite populations to develop resistance to acaricides. Repeated use of the same pesticide or similar agents with the same mechanism of action can lead to resistance. Pests are often thought to change or mutate in order to become resistant.
It's not the individual pests that change but the populations. When the pesticide is first used it is possible that a small portion of the pest population will survive exposure to the agent due to their different genetic makeup. These individuals pass the resistance gene to the next generation. Insects develop this type of resistance by developing multiple resistance.
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Lytic cycle or lysogenic cycle?: Infected cells have viral genes permanently.
Answer:
It is a lysogenic cycle.
Explanation:
In the lysogenic cycle, the viral DNA gets integrated into the host's DNA (see the picture attached).
Hope this will help :)
sample 1
sample 2
sample 3
sample 4
Answer:
Sample 1
Explanation:
Dna contains carbon, hydrogen, oxygen, nitrogen, and phosphorus. These make up the sugar-phosphate backbone of the DNA also known as the sides of the ladder.
Why do sharks find an injured fish - person - so easily?
Answer: a shark's sense of smell comes in handy in this situation. sharks have noses that arent used to breathe but to smell (they have a gill system for breathing) the shark can smell the blood from up to a quarter-mile away.
Explanation: sharks also pick up on minute electrical impulses using organs they have called Ampullae of Lorenzini. these organs are made of tiny hairs that are hidden in pores on the underside of their head
I need one paragraph about Cell Energy
Q. What are peristaltic movements ?
➜ The contraction and expansion movements of the walls of food pipe are called peristaltic movements.
This movement pushes the food in forward direction in the alimentary canal.Compose a simple poem which expresses the role of the holy spirit in our christian lives
Answer:
The Holy Spirit enables Christian life by dwelling in the individual believers and enables them to live a righteous and faithful life. The Holy Spirit also acts as comforter or Paraclete, one who intercedes, or supports or acts as an advocate, particularly in times of trial.
The nucleus in plant cells has ____________________ function as the nucleus in animal cells.
1. a different
2. the same
From your reading (Lehman et al. Ch. 4), there is a simple model of exponential population growth using a recursion equation (not a differential equation) as programmed in R (modified slightly to create a variable for r ): N=1;t=0;r=2; while (t<=24) \{print (N); t=t+1;N=N
∗
r;} Open a new R Script and name it: "Lab2_YourLastName.R". Add the above lines of code and run them. Use a comment line above the code in your script to describe what this code does. 1. Now create a new set of code where you modify the above code to have it store the output for the different values of N over time and plot the output as a line (types"l"). Include the code with annotations ( # ) in your R script that you will turn in (10 points). 2. Use the general solution to the equation above (Eq. 4) to calculate the size of the population at the final point in time using this INSTANTANEOUS rate of growth. Is this the same as your answer from the recursive output from R ? Why or why not (answer using an annotation line in your code that is labelled with this question number)?
The modified code stores and plots the population sizes over time. The final population size calculated using the general solution differs from the recursive output because it assumes continuous instantaneous growth.
To create a modified version of the given code that stores the output for different values of N over time and plots the output as a line, you can use the following code in the "Lab2_YourLastName.R" script:
```R
# This code demonstrates exponential population growth using a recursion equation.
# It calculates the population size (N) at each time step (t) based on a constant growth rate (r).
N <- c() # Create an empty vector to store population sizes
t <- 0
r <- 2
while (t <= 24) {
N <- c(N, N) # Append the current population size to the vector
t <- t + 1
N <- N * r # Calculate the new population size
}
plot(N, type = "l", xlab = "Time", ylab = "Population Size") # Plot the population sizes as a line
```
By running this modified code, the population sizes at each time step will be stored in the vector `N`, and the resulting plot will show the growth trajectory of the population over time.
The general solution to the exponential growth equation is the same as the recursive output from R, add the following annotation line in your code:
```R
# The final population size calculated using the general solution is not the same as the recursive output from R.
# This is because the recursive output considers discrete time steps and constant growth rate over each time step,
# while the general solution assumes instantaneous growth, which is continuous and allows for a more precise estimation.
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What are two more ways you could think of that would lessen the waste you create?
Some ways to lessen the waste that human create are:
- Recycling the materials you use;
- Reduce the use of plastic;
- Compost organic waste;
- Use reusable products (reusable bags, cups, bottles;
- Purchase wisely to reduce the waste from impulsive purchases.
Which process is part of transcription?
DNA is copied to create a second DNA strand.
mRNA codons and tRNA anticodons assemble amino acids.
DNA is unzipped with the aid of DNA polymerase.
mRNA is synthesized from a strand of DNA.
Answer:DNA is copied to create a second DNA strand.
Explanation:Transcription is the process in which a gene's DNA sequence is copied (transcribed) to make an RNA molecule. ... RNA polymerase uses one of the DNA strands (the template strand) as a template to make a new, complementary RNA molecule. Transcription ends in a process called termination.
Answer:A
Explanation:
How to Be Gross? ⬇️. You will get 1000 points
Answer:
licking soggy toes lolllll
Answer: don’t shower, don’t brush your teeth, don’t sleep, and don’t clean off sweat
Explanation: when you don’t shower skin becomes super oily and smelly because of the excess dirt and bacteria, your hair will also be greasy and filled with dandruff. When you don’t brush your teeth millions of bacteria attack the gums and especially the tongue leaving a foul smell if not cleaned. Sleeping makes you tired which makes your body over exert and makes you look really bad forming bags under your eyes and makes you very fatigued. Not cleaning off sweat will make you smell and it will cover your pores and can cause irritation to the skin which can form lumps and cause acne really bad acne.
Energy can be formally defined as the a. heat generated by atoms losing electrons b. displacement of heat from the sun to the earth c. capacity to do work d. process of moving objects e. velocity of any moving object
Energy can be formally defined as the capacity to do work which means option c is the correct choice.
Scientists outline energy because the capacity to do work. Modern civilization is feasible due to the fact humans have found out a way to extrade electricity from one shape to every other after which use it to do work. Energy is described because the “capacity to do work, that is the capacity to exert a pressure inflicting displacement of an object.” Despite this complicated definition, its that means could be very simple: electricity is simply the pressure that reasons matters to move. Energy is split into types: cap potential and kinetic. In environmental science, electricity normally refers back to the era of strength for human use.
Thus, option c is the correct choice.
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What term refers to a nerve signal moving through a nerve cell?
A.sliding filament model
B.humoral response
C.action potential
D.cell mediated
Answer:
Option C is correct ( Action potential)
Explanation:
a momentary reversal in electrical potential across a plasma membrane (as of a neuron or muscle fiber) that occurs when a cell has been activated by a stimulus.
Which of the following statements describes primary or secondary pollutants?
a) Primary pollutants are formed in the atmosphere.
b) Secondary pollutants are released from a source.
c) Primary pollutants react to form secondary pollutants.
d) Secondary pollutants break down to form primary pollutants.
e) Primary pollutants are less dangerous than secondary pollutants.
Answer:
C and E
Explanation:
The correct options that describe primary and secondary pollutants would be C and D.
Primary pollutants are substances released directly into the atmosphere capable of harming living organisms at a particular threshold concentration. An example is carbon monoxide. Secondary pollutants, on the other hand, are formed in the environment from primary pollutants. For example, NO2 is formed from the reaction of NO and oxygen.
Secondary pollutants, therefore combine the toxicities of their component primary pollutants to arrive at stronger toxicity. Hence, secondary pollutants are more dangerous than their primary counterparts.
The correct answer is options C and E.
supplementation can enhance antibiotic sensitivities among certain pathogens like c. albicans and to a lesser degree in p. aeruginous. (guoling
Supplementation can enhance antibiotic sensitivities among certain pathogens like C. albicans and to a lesser degree in P. aeruginous. because antibiotics are designed to target specific molecules within bacteria or fungi that are necessary for their survival.
Supplementation can enhance antibiotic sensitivities among certain pathogens like C. albicans and to a lesser degree in P. aeruginous. This is because antibiotics are designed to target specific molecules within bacteria or fungi that are necessary for their survival, such as their cell wall, DNA replication machinery, or metabolic pathways.
However, if the pathogen has a mutation or variation that allows it to evade the antibiotic's effects, it can continue to grow and replicate, leading to the development of drug-resistant strains.Supplementation, which involves providing nutrients or other substances that are lacking in the pathogen's environment, can help to counteract these mutations and improve antibiotic sensitivities.
For example, supplementation with iron or other micronutrients can help to enhance the activity of certain antibiotics against P. aeruginous, which is known to have a high iron requirement. Similarly, supplementation with specific sugars or amino acids can help to increase the uptake of certain antibiotics by C. albicans, which can be resistant to some drugs due to their inability to penetrate the cell wall.
Overall, the use of supplementation as a strategy to enhance antibiotic sensitivities is still an area of active research, and more studies are needed to fully understand its effectiveness and potential applications.
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