Answer:
what is microscope is a laboratory instrument used to examine objects that are too small to be seen by the naked eye.
FUNCTIONS : The microscope is one of the most important tools used in chemistry and biology. This instrument allows a scientist or doctor to magnify an object to look at it in detail. Many types of microscopes exist, allowing different levels of magnification and producing different types of images
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Explanation:
A microscope is an instrument that makes use of lenses to make smaller objects appear larger. It is also known as a compound microscope. The different parts of a microscope are shown in figure. ... Adjust the focus of the eyepiece and the objective lens with help from your teacher
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What is the combination of alleles that you can see called?
PLS ANSWER THIS QUESTION ASAP! WORTH 40 POINTS!!
Answer:
This is all I've done because I'm not 100% sure about the other part
A clump of cells in someone's intestine is genetically different from cells elsewhere in his body. These intestine cells have a _______ mutation
A clump of cells in someone's intestine is genetically different from cells elsewhere in his body. These intestine cells have a somatic mutation.
Any mutation that occurs in a cell other than a gamete, germ cell, or gametocyte is called a somatic mutation. This includes any change in the DNA sequence of a somatic cell of a multicellular organism with dedicated reproductive cells.
Somatic mutations are not typically passed on to offspring in the same way that germline mutations can. Plants, which don't have a distinct germline, and animals that can reproduce asexually via mechanisms like budding, like the cnidarians of the genus Hydra, blur this distinction.
Even though somatic mutations are not passed on to the next generation, they can be found in any cell that divides from the original somatic cell. Accumulated somatic mutations are the root cause of many forms of cancer.
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An example of an infectious disease is:
1-sickle cell anemia
2-small pox
3-Down syndrome
4-diabetes
Could a man with Type O be the father of a Type AB child? Explain.
Answer:
No, because someone with blood type O has the genotype OO because O is recessive. One parents would need one allele to be A and the other parent would need one allele to be B for the child to be AB. But the man does not have an A or B allele, so it is not possible for him to be the father of a child with blood type AB.
Wolves are predators for hares. The wolf population increases. What happens next? O A. The birthrate of wolves decreases. B. The death rate of hares increases. O C. The hare population increases. O D. The birthrate of hares increases.
Answer:
B. the death rates of hares increases
Explanation:
when the predator population increases, the death rate of the prey population also increases
Aaron has a spider plant that produces several plantlets. Aaron puts each plantlet in its own pot and gives the plantlets to several friends. 1. Identify what would cause some of the plantlets to grow better than others, 2. including examples of possible causes. 3. Explain how you know what the cause of variation must be. SOMEONE HELP ITS DUE IN LIKE 10 MIN
ok so, lighting, amount of water, type of soil, fertilizer, bugs, pesticides, water contamination, other chemicals. even pets, cats- lol hope that helped!
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Answer:
I don't remember the answer for the first one but for the others
2nd question : homogenous and Dominate
3rd question: heterozygous
4th question : homogenous and Recessive
Explanation:
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Answer:
the 2nd one i believe
Explanation:
hope this helps :)
Answer:
Number 2
Explanation:
According to the passage, a water treatment plant
I. cleans water before it goes to your house
II. cleans the dirty water that leaves your house
III. fills up the reservoir when it does not rain enough
Answer:
cleans the dirty water that leaves your house
Explanation:
i looked it up
If you don't have access to clean bottled water, you can make your water safe to drink by boiling it. Boiling them is the most effective approach to get rid of harmful bacteria, viruses, and parasites. Add a dash of salt to each quart or liter of boiled water. Thus, option B is correct.
What water treatment plant cleans the dirty water?Any dirt, sand, dust, and other particles that fit inside the micron capacity of sediment filters are removed, along with any particulate matter that is visible. Also removed by sediment filters is turbidity in the water.
One of the most effective ways to cleanse water is with a RO Purifier. Reverse osmosis eliminates impurities by forcing water across a semipermeable membrane.
Therefore, cleans the dirty water that leaves your house.
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Many organisms, such as honeybees and livestock, have been domesticated for economic reasons. Which of the following best describes an unintended consequence of this practice
Domestication of many organisms, such as honeybees and livestock causes a decrease in the genetic diversity of the organisms.
Genetic diversity refers to the range of genetically different individuals that are present in the same species. Domestication is the process by which the wild animals as well as plants are adapted to the human environment.
Domestication of livestock and honeybees is often done for economic reasons. An unintended consequence of the process of domestication is the decrease in the genetic diversity of the species. This decreases leads to a decrease in the variation which reduces the survival advantage of these species.
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What human activity has been important in the Cross Timbers and prairies for many years?
Acid rain contributes to all of the following problems except:
A.) Smog
B.) loss of biodiversity in aquatic ecosystems
C.) Damage to vegetation
D.) Advance chemical weathering
Answer:
Option A ( Smog ) .......
Natural selection produces change by allowing beneficial genes to recombine in
A. an individual organism.
B. all organisms within a population
C. only the first generation of offspring
D successive generations of offspring
How did Cyanobacteria contribute to the evolution of multicellular organisms like the plants and animals we see today?
Which property of water makes it helpful to use in car radiators?
Answer:
Specific heat capacity is the property of water that makes it useful in car radiators.
Explanation:
Water has a high specific heat capacity. So it is used as a coolant in car radiators and helps maintain temperature of car engines.
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Which force acts between any two objects that have mass?
O A. Air resistance
O B. Gravity
O C. Friction
O D. Magnetic force
Answer:
magnetic force because it uses force and force has mass
What causes different illnesses and even premature death?
Smoking cigarettes and being exposed to secondhand tobacco smoke are leading causes of premature death.
death that occurs earlier than the typical death age for a population. The average death age is around 75 years old. The biggest causes of early death in the US are smoking cigarettes and being around people who smoke. They can make people more vulnerable to developing cancer, heart disease, stroke, lung disease, and a host of other illnesses. Injuries are another reason for early mortality.
Ischemic heart disease, which accounts for 16% of all fatalities worldwide, is the world's leading cause of mortality. This disease has shown the highest increase in deaths since 2000, with an increase of more than 2 million deaths to 8.9 million deaths in 2019. The second and third most common killers, stroke and chronic obstructive pulmonary disease, respectively account for 11% and 6% of all fatalities.
Lower respiratory infections remained to be the most fatal communicable disease worldwide, ranking as the fourth most common cause of death. However, there have been fewer fatalities; in 2019, it claimed 2.6 million lives, 460 000 fewer than it did in 2000.
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giving brainless for answer please help
Answer:
Question c.
H^C H^S - 2/4 or 1/2 (simplified) - 50%
H^S H^S - 2/4 or 1/2 (simplified) - 50%
Write the use of compost manure
Answer:
Composting is an effective manure management tool that reduces volume, kills pathogens and weed seeds, and also improves soil health and fertility. However, soil and compost should be tested for nutrients
Which of the following is an
example of a polysaccharide?
A. glycogen
B. galactose
C. glucose
Answer:
Glycogen
Explanation:
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What type of reaction is seen when hydrogen peroxide is added to a microbial colony of catalase-producing bacteria
What type of reaction is seen when hydrogen peroxide is added to a microbial colony of catalase-producing bacteria is the rapid formation of gas bubbles.
Catalase is an enzyme that catalyzes the reaction in which hydrogen peroxide is broken down into water and oxygen This enzyme is able to oxidize 1 molecule of hydrogen peroxide to oxygen. Then simultaneously it can also reduce the second hydrogen peroxide molecule to water
Hydrogen peroxide is one of the breakdown products of every cell that uses oxygen as an energy source in metabolic processes. When hydrogen peroxide is added to microbial colonies it inhibits the growth of one bacterial species by another. Because this compound is added to catalase-producing bacteria, the catalase enzyme neutralizes the bactericidal effect by breaking the compound into water and oxygen or gas bubbles.
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Species 2 has a symbiotic relationship with species 1. The populations of the two species are represented on the graph. What type of relationship do the two species have?
Answer:
parasitic
Explanation:
when species 2 population is higher, species 1 is lower, meaning that species 2 harms species 1.
Answer:
Parasitic relationship
Explanation:
The well being on one specie affects the other adversely.
The non-poisonous ____ butterfly gains protection by looking like the bad-tasting ____ butterfly, which is a protective device known as ____.
The non-poisonous viceroy butterfly gains protection by looking like the bad tasting monarch butterfly, which is a protective device known as Mimicry.
Mimicry is a biological phenomenon that occurs by superficial resemblance of two or more organisms that are not closely related taxonomically. The resemblance gives an advantage such as protection from predation upon one or both organisms by which the organism deceive the animate agents of natural selection.The predator interacts with the similar organisms and gets deceived by their similarity.
The discovery of Mimicry in butterflies was in the mid 19th century by Victorian naturalist H.W.Bates. Mimicry in butterflies are of two types- Batesian mimicry and Mullerian mimicry.
The Batesian mimicry is when a non-poisonous animal mimics the pattern or coloration of a poisonous or unpalatable animal without actually producing any toxins themselves.
The Mullerian mimicry is when two poisonous or unpalatable animals have the same coloration and patterns.
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What’s the correct answer , I’m not sure
Answer:
b i beleive
Explanation:
The cohesion of water is caused by:
a ionic bonds
b hydrophobic compounds
c hydrogen bonds
d covalent bonds
During which stage of the cell cycle does the cell condense chromosomes and break down the nuclear envelope? anaphase prophase metaphase telophase
During prophase of the cell cycle, the cell condenses its chromosomes and breaks down the nuclear envelope.
A cell cycle, also known as a cell-division cycle is defined as a series of events which take place in a cell as it is growing and dividing in order to form two daughter cells. A cell cycle has a few different stages namely prophase, metaphase, anaphase and telophase.
Prophase is the first stage of both mitosis as well as meiosis. In the prophase, the chromatin which is present in the cell is condensed in order to form chromosomes. The nuclear envelope, which is the membrane which surrounds the nucleus of the cells also starts breaking done.
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What are qualified medical expenses?
The same categories of services and goods that would normally be deductible as medical costs on your yearly income tax return make up qualified medical expenses. Medicare also covers certain Qualified Medical Expenses, such as doctor visits, lab tests, and hospital stays.
Qualified Medical expenses include all costs required for the diagnosis, mitigation, or treatment of disease or injury. Medical expenses include things like health and dental insurance premiums, doctor and hospital visits, co-pays, prescription and over-the-counter medications, glasses and contacts, crutches, and wheelchairs, to name a few.
Taxpayers may use the Section 80DDB deduction for the cost of treating themselves or dependents for a few specific ailments. Section 80DDB allows residents of India who are individuals or HUFs to deduct certain expenses. Only those with specified ailments or their dependents are eligible to claim this deduction.
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