Answer:
Transmission Electron Microscope
Explanation:
This Transmission Electron Microscope (TEM) is primarily used to view specimens of organisms through a projection image.
It is used to view non-living specimens, even though its not as advanced as its newer counterparts.
Alicia wants to model allopatric speciation for her science project. She
has a population of ants to use as her model. What should she do to
the ant population?
A introduce another species of ants to her population
B
introduce a new food source to part of her population
C
place a wall in their habitat that divides the population
D
remove the water source from the population
Answer:
A introduce another species of ants to her population
Explanation:
^^^
Sonam is a hiring manager at a software company. Which of the applicants below would Sonam likely shortlist due to potential as a technology expert?
23-year-old Kai
37-year-old Greer
70-year-old Reese
65-year-old Perri
Sonam is a hiring manager at a software company. Sonam would likely consider Kai, the 23-year-old applicant, as a potential candidate for shortlisting.
The correct answer would be 23-year-old Kai.
As a hiring manager at a software company, Sonam would likely shortlist the applicant who demonstrates the most potential as a technology expert. While age alone should not be the sole criterion for shortlisting candidates, it is important to consider an individual's relevant skills, experience, and qualifications.
In this scenario, Sonam would likely consider Kai, the 23-year-old applicant, as a potential candidate for shortlisting. Being young, Kai may have recently acquired relevant education and training in the field of technology, making them well-versed in the latest advancements and trends. They may also have a fresh perspective and enthusiasm towards technology, which can be valuable in a dynamic industry like software development.
While age does not dictate someone's ability to excel in technology, older candidates like Greer (37), Reese (70), or Perri (65) might have more experience and expertise in the field. However, without additional information about their qualifications and technology-related skills, it is difficult to determine their potential as technology experts.
Ultimately, Sonam's decision should be based on a holistic evaluation of each candidate's qualifications, experience, and aptitude for the specific technology requirements of the position.
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Think about the ecosystem that you live in. Write a response below describing it in complete sentences. Use each of these terms correctly in your description: community . population • ecosystem . individual .biotic abiotic
Answer:
Within an ecosystem, we can identify different levels of organization, such as individuals, populations, communities, and the overall ecosystem.
Explanation:
An individual refers to a single organism, such as a plant or an animal, living within the ecosystem. For example, a squirrel or a tree in your ecosystem would be considered individuals.
Populations are groups of individuals of the same species that live in the same area and interact with one another. For instance, if there is a group of squirrels living in your ecosystem, we can refer to them as a population of squirrels.
Communities include all the populations of different species living together in a specific area. In your ecosystem, there might be various populations, such as squirrels, birds, insects, and plants, interacting and coexisting with one another. Together, they form a community of different organisms.
The ecosystem encompasses both the living organisms (biotic factors) and the non-living components (abiotic factors) in a given area. The abiotic factors include things like sunlight, temperature, water, soil, and air. They influence the distribution and behavior of the organisms within the ecosystem. For example, the availability of sunlight and the temperature range in your ecosystem will affect the growth of plants and the activities of animals.
An ecosystem consists of the interactions between abiotic and biotic components in a specific area. Abiotic components include non-living factors like water, air, sunlight, temperature, and soil, while biotic components include living organisms like plants, animals, and microbes.
Populations of different species of plants, animals, and microbes make up the biotic components of an ecosystem. Each individual organism, whether a plant, animal, or microbe, interacts with its biotic and abiotic surroundings. The community of different species of organisms in an ecosystem all interact with each other to obtain food, shelter, or other necessary resources.
Some species form mutualistic relationships, while others may be in competition with each other for resources. Therefore, the ecosystem that we live in is the local community of living organisms interacting with the abiotic environment. These interactions between abiotic and biotic components of an ecosystem result in complex and dynamic ecosystems that can change over time.
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Please Help
A neighborhood has experienced a steep increase in the amount of waste generated from individual houses. Which solutions will decrease pollution in the neighborhood?
Encourage people in the neighborhood to use more disposable products.
Burn waste in backyard fire pits.
Have neighbors dump their waste into a nearby river.
Start a recycling program.
Convert waste into reusable products.
There is 2 answers
Answer:
Start a recycling program.
Convert waste into reusable products.
Use your codon chart to determine the amino acid sequence. Remember to read through the strand and ONLY start on AUG and STOP when you reach a stop codon (UGA, UAA, or UAG). Follow the example in the box. Abbreviate the proteins using the first three letters of the amino acid name.
Methionine (AUG)Amino acids can be abbreviated using the first three letters of their name.
Methionine can be abbreviated as Met.
The given RNA sequence is AUGUAACGAUGCGUCGUGGCAUCAUGCUGCGUCAGCGGCGAGUCUGACCCGUCUCUAACAGGACGGCCGGGCGUUGUCGUUGA.
We can use the codon chart to determine the amino acid sequence.
The codon chart is used to determine which amino acid is coded by a particular codon in a strand of DNA/RNA.A codon is a sequence of three nucleotides in DNA or RNA that encodes for a specific amino acid.
Each codon codes for a different amino acid.
For example, the codon AUG codes for the amino acid methionine.
To determine the amino acid sequence, we start reading the RNA strand from the start codon AUG and continue reading until we reach a stop codon (UGA, UAA, or UAG).
Then we write down the amino acid sequence for the codons we read, using the codon chart.
Here, the sequence starts with AUG, which codes for methionine.
After that, the next codon is UAA which is a stop codon, so we can stop.
The amino acid sequence is therefore Methionine. So, the answer would be Methionine (Met).
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"Small waste molecules such as potassium, creatinine, and urea occur at a _____ concentration in the blood and at a _____ concentration in the dialysate.
Diffusion moves these waste molecules ___ the blood ____ the dialysate.
Choices:
From
Higher
To
Lower
Small waste molecules like potassium, creatinine, and urea are present in the blood in higher concentrations than they are in the dialysate.
What are molecules called?Commence with molecules. Any atoms joined by chemical bonds are referred to be molecules in general. The molecule is made up of any two atoms together. A molecule consisting of atoms from different elements is referred to as a compound. Even though all molecules are compounds, not all compounds are molecules.
What is molecules and its types?(1) The smallest particle in a chemical element or compound that possesses that element's and compound's chemical properties is called a molecule. Atoms are linked together by chemical bonds to form molecules. There are two categories of
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How would you explain the key concepts for the CWA in less than two minutes?
Answer:
Explanation:
vPoint Source - a source of water discharged to surface water through a discrete point - generally through a pipe, ditch, or channel.
Nonpoint Source - Nonpoint sources, such as parking lots or athletic fields, discharge runoff water to groundwater or surface water; runoff does not come from a pipe, ditch, or channel. These sources may contain pollutants such as pesticides, motor oil, and soaps.
Navigable Waters of the United States For the purposes of the Clean Water Act, the term "navigable waters" includes:
all waters used in commerce, including groundwater;
all interstate waters including wetlands, mudflats, and sand-flats; and
all other waters such as lakes, rivers, streams, wetlands and sloughs.
EPA policy states, "The majority of facilities in the U.S. have the potential to discharge to navigable waters." The Supreme Court decision in (2006) requires the Army Corps of Engineers and the EPA to determine whether there is a "significant nexus" between a navigable waterway and an area a spill might affect. In June of 2007, EPA and the Army Corps of Engineers released provisional interpretive guidance regarding the "significant nexus” question. According to this guidance, the agencies will assert jurisdiction over traditional navigable waters, wetlands adjacent thereto, and relatively permanent tributaries thereof. The agencies will generally not assert jurisdiction over swales and ditches that lack routine water flow. Finally, the agencies will apply the "significant nexus" requirement and make a case-by-case, fact-specific analysis on impermanent tributaries and other wetlands.
Additional executive orders were issued 2015 in 2019. Under the 2019 proposal, traditional navigable waters, tributaries to those waters, certain ditches, certain lakes and ponds, impoundments of jurisdictional waters, and wetlands adjacent to jurisdictional waters would be federally regulated. It also details what are not "waters of the United States," such as features that only contain water during or in response to rainfall (e.g., ephemeral features); groundwater; many ditches, including most roadside or farm ditches; prior converted cropland; stormwater control features; and waste treatment systems.
Could the requirement for one or more NPDES Discharge Permit apply to my campus?
If your campus discharges pollutants directly to navigable waters of the United States through a point source, you must obtain an NPDES permit or redirect the flow of the waste.
Stormwater releases from certain activities require an NPDES permit. The most common activities on college campuses requiring NPDES permits for stormwater are construction activities disturbing more than 1 acre, hazardous waste storage areas operating under the Resource Conservation and Recovery Act permit system, steam-generating power plants, and airports. See Stormwater section below.
Regulations issued by local water authorities, or Publicly Owned Treatment Works (POTWs), not NPDES permits, govern discharges into sanitary sewer systems. See Sewer Use (POTW) section below for more information about requirements for using POTWs for commercial or industrial waste disposal.
What do I have to do related to NPDES Discharge Permits?
Determine where wastewater flows from buildings and processes on your campus. Any industrial or commercial operation (e.g., ice rink melt pits, floor drains, and vehicle wash stations) that discharge into a water of the United States may require an NPDES permit. If required, you must obtain such a permit from the appropriate regulatory agency, probably your state environmental agency.
French drains, dry wells, and septic system leach fields are different from point source discharges because they do not immediately affect surface water. Some state and federal environmental agencies manage these systems under the Underground Injection Control program, part of the Safe Drinking Water Act. See Safe Drinking Water Act for more information.
Details of NPDES
3. What are the seven emergent properties associated with the origin of life?
Answer:
Hierarchy of organization
The cellular basis of life
Heritable information
Scientific process: Hypothetico-deductive method
Evolution: The core theme
The interaction of organisms with their environment
Unity in diversity
Correlation between structure and function
Explanation:
give me a brainiest. hope this helps
In the water cycle shown below, which process is happening at step 3? precipitation
melting
evaporation
sublimation
Answer:
melting
Explanation:
because the water has got its freezing ponit
Answer: A: precipitation
Explanation: it is raining took the test this is the right answer
Identify the organelle where photosynthesis occurs.
The photosynthesis occurs in the chloroplast, which contains chlorophyll - the green pigment in the plants.
6. Which of the following is a type of wave that travels at a right angle relative to the direction of motion? (
Transverse
Amplitude
Propagated
Longitudinal
Answer:
Transverse
Explanation:
Transverse waves cause the medium to move perpendicular to the direction of the wave.
the smaller the value of n the lower the energy and the closer to the orbital is to the nucleus true or flase
Answer:
True
Explanation:
This is because when you move across the periodic table, the number of atoms increase and the number of energy decrease downward. N represent energy level . n1 is the closest in the nucleus and n7 is the farthest. The farther the n in the nucleus, the higher the energy in the orbital. The smaller the n, the lower the energy and closer to the orbital.
NEED HELP ASAP
You are given three different substances that are known as mutagens. Using a variety of techniques, you analyze the results of exposure to these substances. Your findings are shown in the information below. Using this information, link each of the three substances with one of the following molecular properties and explain your choices.
SUBSTANCE IN MEDIUM AND RESULT OF EXPOSURE:
A = increase in the number of mutant colonies that synthesize mRNA in which the codon AAA is replaced by AGA
B = significantly fewer variable colonies
C = increase in the number of mutant colonies that produce modified proteins in which arginine is replaced by a "stop" codon
i. a molecule that can insert itself between a purine and a pyrimidine in an intact DNA strand
ii. a molecule similar in structure to thymine but capable of forming a hydrogen bond with guanine
iii. a molecule that converts cytosine to a form that can base-pair with adenine.
The links are given as follows:
Substance A is linked to a molecule that converts cytosine to a form that can base-pair with adenine.Substance B is linked to a molecule that can insert itself between a purine and a pyrimidine in an intact DNA strand. Substance C is linked to a molecule similar in structure to thymine but capable of forming a hydrogen bond with guanine. What is the rationale for the above response?Substance A is linked to a molecule that converts cytosine to a form that can base-pair with adenine.
This is because the replacement of the codon AAA with AGA indicates a point mutation caused by the substitution of adenine for cytosine in the DNA sequence.
Substance B is linked to a molecule that can insert itself between a purine and a pyrimidine in an intact DNA strand. This is because a mutagen that can intercalate between DNA bases can cause frameshift mutations and affect the number of variable colonies.
Substance C is linked to a molecule similar in structure to thymine but capable of forming a hydrogen bond with guanine. This is because the replacement of arginine by a "stop" codon in the modified protein indicates a nonsense mutation, which can result from the substitution of a purine for a pyrimidine or vice versa, which could be caused by a mutagen similar in structure to thymine.
Each substance is linked to a specific molecular property based on the type of mutation observed in the bacterial colonies after exposure.
For example, the conversion of cytosine to a form that can base-pair with adenine is associated with point mutations observed in Substance A. Similarly, Substance B is linked to a mutagen that can intercalate between DNA bases based on the observed effect on the number of variable colonies.
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Which statements are true about the
nucleus? pick 2
it controls what goes in and out of the cell
it gives the cell shape and structure
it is the brain of the cell and it tells the other cell
parts what to do
it holds the cells DNA
Answer:
It is the brain of the cell and it tells the other cell parts what to do.
It holds the cell's DNA
Plants take in light energy and
convert it into what kind of
energy?
A. physical
C. chemical
B. mechanical
D. solar
Answer:
The Answer is D. Solar Energy ⚡
What is solar energy?
Solar energy is any type of energy generated by the sun. Solar energy is created by nuclear fusion that takes place in the sun. Fusion occurs when protons of hydrogen atoms violently collide in the sun's core and fuse to create a helium atom
Solar energy is a renewable, inexhaustible and affordable form of energy. It can be used to cook food, heat water, and generate electricity. Furthermore, electrical energy generated from solar energy can be stored in solar cells.
The early development of solar technologies starting in the 1860s was driven by an expectation that coal would soon become scarce, such as experiments by Augustin Mouchot. Charles Fritts installed the world's first rooftop photovoltaic solar array, using 1%-efficient selenium cells, on a New York City roof in 1884.
Solar technology isn't new. Its history spans from the 7th Century B.C. to today. We started out concentrating the sun's heat with glass and mirrors to light fires. Today, we have everything from solar-powered buildings to solar-powered vehicles.
Discussion Post 7 A*
This discussion post is a 1 part assignment:
Part 1 (100% of your grade)
The respiratory therapist (RT) is called to the surgical ward to see a 54-year-old
patient who underwent abdominal surgery 2 days earlier. The patient is
currently afebrile, alert, and oriented but complains of dyspnea. Your bedside
assessment results include a resting respiratory rate of 34 breaths per minute,
shallow breathing, and a heart rate of 110 beats per minute. The patient is 5
feet tall and weighs approximately 185 lbs. Auscultation reveals diminished
breath sounds in the bases and fine, late inspiratory crackles. While
interviewing the patient, you discover that the patient's dyspnea increased
over the last 12 hours and worsens upon exertion. The rest of the exam is
normal.
. What is the most likely cause of this patient's dyspnea?
How would you treat this patient/ What would you recommend to the
doctor?
The cause of the dyspnea is pulmonary atelectasis
What is the most likely cause of this patient's dyspnea?It is a condition where the lung collapses completely or partially. Due to a reduction in lung volume, shallow breathing, or the buildup of mucus in the airways, this might happen following surgery.
The respiratory therapist may suggest chest physical therapy to treat the patient: This uses methods like postural drainage and percussion to assist clear the lungs of mucus and other secretions.
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Which best explains a way of protecting water for human consumption?
A Reduce the use on lakes and rivers for irrigation of crops.
B. Ban the use of lakes and rivers for recreation.
C Allow dumping of some waste into lakes and rivers.
D Improve water quality standards for industries located on lakes and rivers.
Answer: Improve water quality standards for industries located on lakes and rivers
Explanation:
A way of protecting water for human consumption is to: D Improve water quality standards for industries located on lakes and rivers.
Water can be defined as a liquid molecule that comprises two (2) main chemical elements; hydrogen and oxygen in the ratio of two to one (2:1).
Generally, water is considered to be an important and essential chemical molecule because it aids in the growth and development of the body of living organisms.
Furthermore, lakes and rivers serves as the primary source of water for consumption use by humans after a proper treatment process.
Hence, it is very important that some effective and efficient waste management systems or procedures are put in place by industries that are situated (located) around lakes and rivers, so as to mitigate or prevent water pollution.
In conclusion, one of the best ways to prevent water pollution and protect water for human consumption is to improve water quality standards for industries located on lakes and rivers.
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Dehydration synthesis leads to WICH formation
Answer:
Polymers...........
Explanation:
How can a water wave be described?(Fill in the blank)
A wave is a pattern of motion that repeats in a_____. In a water wave, the_____ of the wave can be observed as the_____ distance to a flat baseline. The _____ is the _____ distance between adjacent wave parts.
Answer:
A wave is a pattern of motion that repeats in a cyclic manner. In a water wave, the amplitude of the wave can be observed as the vertical distance to a flat baseline. The wavelength is the horizontal distance between adjacent wave parts.
write down the steps of double fertilization
Steps of Double Fertilization.
It was discovered by S.G. Nawaschin (1897) Lilium are Fertillaria sps.1. Germination of pollen on stigma :
(i) By absorbing secretion of stigma pollen swells up and outer layer exine ruptures whereas inner lintine comes out in the form of pollen tube.
(ii) Branched polen tube is formed in amentiferae group.
(iii) In families malvaceae, cucurbitaceae, etc. polysiphonous condition (many pollen tubes from a single pollen) is found.
2. Path taken up by pollen tube :
(i) Pollen tube pierces through stigmatic papilla into the tissue of style.
(ii) Filiform apparatus of synergids secrete some chemotropically active substances, which promotes porogamy.
(iii) Obturator (special structure) act as a bridge for growth of pollen tube.
(iv) Cations are naturally occurring chemotropic agents in the pistil.
3. Entry of pollen tube into embryo sac :
(i) It enters into the ovule by either of the two methods; porogamy, chalazogamy or mesogamy.
(ii) Irrespective of the mode of entry of pollen tube into the ovule, the pollen tube always enters into embryo sac at micropylar end (Porogany).
(iii) If enters through chalaza (base) it is termed chalazogany.
(iv) If pierces through integuments, it is called mesogamy.
(v) Tip of pollen tube penetrates embryo sac and reaches egg apparatus.
4. Syngamy (Generative fertilization)
(i) Pollen tube burst as tube nucleus disorganises.
(ii) One of male gametes fuses with egg cell or oosphere.
(iii) Deploid oospore or zygote is formed.
5. Triple fusion (Vegetative fertilization) :
The other gamete fuses with secondary nucleus forming triploid primary endosperm (PEN) which later give rise to endosperm.
Answer:
Double fertilization is a process unique to flowering plants (angiosperms) in which two sperm cells fertilize two different structures within the female reproductive system. The steps of double fertilization are:
Pollination: transfer of pollen grains from the male to the female flowerGermination: the pollen grain forms a pollen tube and grows down the style towards the ovuleSyngamy: the first sperm cell fuses with the egg cell to form a diploid zygote (2n)Endosperm formation: the second sperm cell fuses with two polar nuclei to form a triploid cell (3n) which undergoes cell division to form the endospermEmbryo formation: the zygote undergoes several rounds of cell division and differentiation to form the embryoDouble fertilization leads to the formation of both the embryo and endosperm within the ovule, which ultimately results in the development of a seed.
It takes 6 hours to clean the Smith's house. How long
does it take to clean 5/8 of the house?
what does CCU code for
CCU stands for "Coronary Care Unit". In a hospital setting, the CCU is a specialized unit dedicated to the care of patients with serious and life-threatening heart conditions. This unit is staffed by healthcare professionals who have specialized training in cardiac care and are equipped with advanced technology and equipment to monitor and treat patients with heart problems. Patients who are admitted to the CCU typically require intensive monitoring, medication, and other interventions to manage their condition and stabilize their heart function. The CCU is a critical component of modern healthcare and has contributed significantly to the improvement of patient outcomes in the management of cardiac diseases.
Select the organ system which is best described in each sentence.
Which organ system is responsible for transporting nutrients, gases, and hormones through the body?
Which organ system helps waste gases such as carbon dioxide leave the body?
Which organ system includes the brain?
The kidneys and the urethra are part of which body system?
1. In the organ system, The circulatory system is responsible for providing gases, nutrients, and hormones around the body.
2. The organ system that helps waste gases such as carbon dioxide leave the body is the respiratory system.
3. The organ system that includes the brain is the nervous system.
4. The kidneys and the urethra are part of the urinary system.
1.The circulatory system is the organ system in charge of delivering nutrients, gases, and hormones throughout the body. It consists of the heart, blood vessels, and blood, which work together to transport oxygen, nutrients, hormones, and waste products throughout the body. The heart pumps oxygenated blood to the tissues, delivering nutrients and oxygen, while the blood vessels act as a network of highways to distribute these substances to cells and organs.
2. The respiratory system is the organ system that assists waste gases such as carbon dioxide in leaving the body. The lungs, airways, and respiratory muscle are all part of it. During respiration, oxygen is taken in and carbon dioxide is removed from the body. The lungs exchange gases by inhaling oxygen-rich air and exhaling carbon dioxide.
3. The nervous system is the organ system that contains the brain, as well as the spinal cord and nerves. The brain is the body's command and control Centre, coordinating and regulating many physical activities and processes.
4. The kidneys and the urethra are part of the urinary system. The urinary system is responsible for filtering waste products, excess water, and toxins from the blood, producing urine, and eliminating it from the body. The kidneys filter the blood, removing waste and excess substances, while the urethra is the tube that carries urine from the bladder to the outside of the body during urination.
These organ systems work together to maintain homeostasis and ensure the proper functioning of the human body.
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Answer:
Which organ system is responsible for transporting nutrients, gases, and hormones through the body?
✔ cardiovascular system
Which organ system helps waste gases such as carbon dioxide leave the body?
✔ respiratory system
Which organ system includes the brain?
✔ nervous system
The kidneys and the urethra are part of which body system?
✔ urinary system
Labeled diagram of muscle cell
Labeled diagram of muscle cell
Saccharomyces cerevisiae is used in the making of all of the following EXCEPT ______
.yogurt
beer
bread
wine
Saccharomyces cerevisiae is used in the making of all of the above EXCEPT yogurt
What is Saccharomyces cerevisiae?Saccharomyces cerevisiae simply refers to those species of yeasts which is used in making beer, bread, wine et.c
So therefore, saccharomyces cerevisiae is used in the making of all of the above EXCEPT yogurt
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Calculate: Punnett squares can be used to predict probable outcomes of genetic crosses. To calculate probability, divide the number of one kind of possible outcome by the total number of all possible outcomes. For example, if you toss a coin, the chance it will land on heads is equal to 1 ÷ 2. This probability can be expressed as ½, 0.5, or 50%.
How many total possible outcomes are there?
---------------------------------------------------------------------------------
Complete the table below to show the number of outcomes and the probabilities in both fractions and percentages.
I I
Number of Outcomes I Fraction I Percentage
--------------------------------------------------------------------------------------
FR FR
--------------------------------------------------------------------------------------
FW FW
--------------------------------------------------------------------------------------
FR FW
--------------------------------------------------------------------------------------
Need help asap
In a breed of guinea pigs brown fur is dominant to white
fur and long fur is dominant to short fur as shown.
Guinea Pig Fur Color & Fur Length
B= Brown L= Long
b= White I=Short
If both parents are heterozygous for both fur color and
length, what is the probability of an offspring with long,
white fur?
о 1/8
O 3/16
O 1/2
O 3/4
Answer: 3/16
Explanation: If you cross a heterozygous parent with a heterozygous parent, you will always get a 9:3:3:1 ratio. If you draw a punnet square, you will see that there is 3 off springs that will have the phenotype of white fur and long.
In the diagram, which organism is a producer?
all of these answers
clover
wheat
dandelion
1.2
Give the correct term for the following definition:
Studying the structure of living things.
Answer:
the study of life
Explanation:
what processes take carbon out the atmosphere
Answer:
Photosynthesis
Explanation:
it is the process where plants take water, sunlight, and carbon dioxide and make their own food and put off oxygen.