Answer:
asexual reproduction l
What is the difference between a hypothesis, a theory and a law in science?
A sustainable society is based on which of the following?
increasing wilderness areas
demand for resources
zero pollution
conservation of resources
Answer:
I think it would be conservation of resources.
conserving of resources
Examine the graph showing the relative percentage normal and cancer cells spend in various stages of the cell cycle. Based on the information in the graphs, infer how cancer cells differ from typical, noncancerous cells. Select ALL that apply.
A.) Cancer cells do not replicate their DNA.
B.) Cancer cells replicate their DNA too quickly.
C.) Cancer cells do not go through interphase during their cell cycle.
D.) Cancer cells spend more time dividing compared to typical cells.
E.) Cancer cells do not always grow to the same size as typical cells.
Answer:
B.) Cancer cells replicate their DNA too quickly.
Explanation:
Answer:
B. Cancer cells replicate their DNA too quickly
Urea, a waste product of cells, diffuses out of cells and into the blood for excretion by the______________
The answer is liver....
Urea, a waste product of cells, diffuses out of cells and into the blood for excretion by the liver.
What is liver and its function?The liver is a very important organ of human body and the weight of liver is 1.5 kg and width of liver is 15 cm. The colour of liver has been reddish - brown. Urea, a waste product of cells, diffuses out of cells and into the blood for excretion by the liver. The main functions of liver are it carries out the function of protein's metabolism and it excretes bile and it is also responsible for excreting cholesterol, hormones, bilirubin and drugs.
The liver also stores vitamins, glycogen, and minerals so it the center of storage also. As liver is a very important organ so to maintain it's health a person have to maintain a healthy weight, take a balanced diet, regular exercise, avoiding toxins, and less use of alcohol leads to keep the liver safe and healthy.
Therefore, Urea, a waste product of cells, diffuses out of cells and into the blood for excretion by the liver.
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opening and closing of the heart valves is caused by
Answer:
The pressure differences on either side of the valve.
Explanation:
The heart valves open and close passively because of pressure differences on either side of the valve. When pressure is greater behind the valve, the leaflets are blown open and the blood flows through the valve. However, when pressure is greater in front of the valve, the leaflets snap shut and blood flow is stopped.
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Why was the 1mL of experimental culture medium that was removed each day replaced by 1mL of sterile culture medium?
Answer:
A sample of a specific species of microorganism was added to 100 mL of a liquid culture medium. ... The 1 mL of experimental culture medium was replaced by 1 mL of new sterile culture medium to maintain a constant volume.
one of the most common energy sources used by bacteria is glucose. why is glucose such a good source of energy for bacteria?
Explanation:one of the most common energy sources used by bacteria is glucose. why is glucose such a good source of energy for bacteria?
What does the term organelle mean, literally?
Answer:
it literally means :
any of a number of organized or specialized structures within a living cell.
Explanation:
GOo-GlE said so
What determines the climate of a location?
Altitude and latitude
Precipitation
Bodies of water
All of the above
Altitude and latitude, Precipitation, and Bodies of water determine the climate of a location. The correct option is D.
What is climate?Climate is the average weather over a longer length of time in a particular place. A description of a climate includes details such as the typical temperature in each season, the amount of rainfall, and the amount of sunshine.
Additionally, the (probability of) extremes is frequently described. Despite the fact that there are other interrelated factors that affect weather, the four primary one are solar radiation, the quantity of which varies with latitude.
Orbital distance from the sun, and Earth's tilt, as well as temperature, air pressure, and the presence of water. The Sun and human activity are two external influences that interact with these as well as one another.
Therefore, the correct option is D, All of the above.
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how do the nucleus and ribosomes work together to generate a protein?
Answer:
In the nucleus, an mRNA copy of a gene is produced, which ribosomes use as instructions to synthesize a specific protein.
What is natural history
Answer:
Natural history is a domain of inquiry involving organisms, including animals, fungi, and plants, in their natural environment, leaning more towards observational than experimental methods of study. A person who studies natural history is called a naturalist or natural historian.
A dentist wants to know whether posters of calming nature scenes will reduce patient anxiety. Which of these is the most important Confounding Variable in this experiment?
a) the age of the patient
b) a reduction of anxiety
c) how crowded the waiting room becomes
d) both a and c
Answer:
d
Explanation:
The most important confounding variable in this experiment is d) both a and c.
Confounding variables are factors that are not directly controlled or manipulated by the experimenter but can influence the relationship between the independent variable (calming nature scenes) and the dependent variable (patient anxiety). They can introduce alternative explanations for the observed results.
In this experiment, the age of the patient (variable a) and how crowded the waiting room becomes (variable c) are both potential confounding variables. Here's why:
a) The age of the patient: Different age groups may respond differently to calming nature scenes. For example, younger patients might have different levels of anxiety compared to older patients. Age-related factors such as life experiences, previous dental visits, or personal preferences may influence anxiety levels and responses to the nature scenes. If the age distribution is not controlled or accounted for, it could confound the relationship between the nature scenes and anxiety reduction.
c) How crowded the waiting room becomes: The level of crowding in the waiting room can create a different environment and affect patient anxiety levels. A crowded waiting room may increase anxiety due to the lack of personal space or increased social interactions. On the other hand, a less crowded waiting room might provide a more relaxed environment. If the level of crowding is not controlled or accounted for, it could confound the relationship between the nature scenes and anxiety reduction.
Considering both variables a and c as potential confounding variables is important to ensure that any observed effects of the calming nature scenes on patient anxiety are not solely attributed to age or waiting room crowding. Controlling for these variables or including them as factors in the experimental design or analysis can help isolate the true effect of the nature scenes on anxiety reduction.
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A plastic doll has a mass of 245 grams. It was placed into a graduated cylinder with 100 mL in it. The water rose to 215 ml. What is the little plastic dolls density? Show all work and units.
help
if you don't help my face will be a sad face forever
what is the difference between a dietitian and a nutritionist
Answer:
Nutritionists deal with general dietary goals and habits, as opposed to dietitians, who are certified to diagnose eating disorders and develop diets to address particular medical problems. Schools, hospitals, cafeterias, long-term care institutions, and sporting groups all hire nutritionists.
what behaviors would you expect the catfish to exhibit at 7 degrees c ?
An enzyme is a protein that
Answer:
?
Explanation:
need the rest of the question
The hydroxyl group can make the molecules it is attached to
Answer:
hydrogen bonding
Explanation:
Step by step
Number 1
HELP ME I WASNT IN CLASS:(
Answer:
according to me it's a. 1 to 6 inches
but not 100% sure
Answer:
A.
Explanation:
Tectonic plate move so E is incorrect
If the tectonic plate move 1 mile we would create another Pangea so d is incorrect
The tectonic will not move 6 feet or 2 feet in a year so A is the only choice
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All the following statements can be concluded from the law of conservation of matter except?
A. We can’t throw everything away because there is “no away”
B. Eventually we will rent out of matter if we keep consuming it.
C. There will always be pollution of some sort.
D. Everything must go somewhere.
Answer:
D
Explanation:
What is the difference between a community and a population
Answer:
Community- is the grouping of individuals of different species at the same place at a same time.
Population- typically refers the number of people in a single area whether it be a city or town, region, country, or the world
Population - All the members of one species that live in a defined area.
Community - All the different species that live together in an area.
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What is not a key fluid or molecule that excretion balances?
Nitrogenous waste
Water
Salt
Lymph
a machine called os used for both harvesting and threshing
Cell Biology:
1. Which cell is more sophisticated: prokaryotic or eukaryotic?
2. Give one characteristics you could use to determine whether a cell is prokaryotic or eukaryotic.
3. Give two characteristics you could use to determine whether a cell is a plant or animal cell.
4. Explain the function of mitochondria.
5. Give the name of the organelle that manages or controls all the cell functions in a eukaryotic cell.
Answer:
1. eukaryotic
2. if it's a single cell organism it's prokaryotic, if it's multicellular it's eukaryotic
3. a plant cell will have chlorophyll and cell walls, animal cells lack cell walls and chlorophyll
4. the mitochondria creates energy for the cell through ATP
5. Nucleus
Answer:
Explanation:
1. Which cell is more sophisticated: prokaryotic or eukaryotic?
Eukaryotic Cells are more sophisticated because of multiple factors. One such factor is the fact that Eukaryotic Cells have a nucleus that houses the DNA while the DNA of Prokaryotic Cells are in the cytoplasm. Eukaryotic Cells also have organelles that carry out a variety of functions (Mitochondria, Ribosomes, Endoplasmic Reticulum) whereas Prokaryotic Cells have only the basic organelles (in most cases only Ribosomes).2. Give one characteristic you could use to determine whether a cell is prokaryotic or eukaryotic.
The presence of a Nucleus. Prokaryotic cells don't have a nucleus, while Eukaryotic Cells do.3. Give two characteristics you could use to determine whether a cell is a plant or animal cell.
The presence of a central vacuole (plant cells have a central vacuole but animal cells do not).The presence of a cell wall (plant cells have a cell wall but animal cells do not).4. Explain the function of mitochondria.
The mitochondria are considered the 'powerhouse' of the cell. This is because it is the site of most of the respiratory process which produces energy for the cell in the form of ATP.5. Give the name of the organelle that manages or controls all the cell functions in a eukaryotic cell.
The Nucleus is considered the 'brain' of the cell because it directs all of the cell's functions.(photos by Expii and BioNinja respectively)
in what way does plant nutrition differ from human nutrition? choose the best answer.
Answer:
Plants make their own nutrients; humans must consume theirs. ... It transports water and nutrients from the roots to the leaves.
(WILL GIVE BRAINLIEST) A doctor's patients complain less about their acid reflux symptoms after taking Prilosec for 4 weeks. What is the Independent Variable? What is the Dependent Variable?
a) the severity of symptoms
b) Prilosec
c) the amount of complaints about symptoms
Which skills are needed to read and understand maps? Check all that apply.
the ability to know each location shown on a map
the ability to know what kind of map you are reading
the ability to use a compass or other navigational tool
the ability to think about how a map can be interpreted
the ability to know how to read different parts of a map
the ability to name many different places around the world
Answer:
You need to know all of the things listed. By knowing all of these it will make it easier to read and understand maps.
Explanation:
Circle the letter of each sentence that is true about carbohydrates.
a. Starches and sugars are examples of carbohydrates.
b. Living things use them as their main source of energy.
c. The monomers in sugar polymers are starch molecules.
d. Plants and some animals use them for strength and rigidity.
Help please I need help on this
Answer: reaction time, intact
Explanation: Hope this helps
how is gobi desert threatened by humans?
como se clasifican las celulas
células se pueden clasificar en dos grupos: eucariotas y procariotas. Las eucariotas tienen núcleo y orgánulos envueltos por una membrana, mientras que las procariotas no.