Answer:
Prepare solutions of different acid concentrations, measure 50 milliliters of each into different beakers, and place the same type of medication of the same mass into the beaker
Explanation:
The experiment to test the effect of stomach acid concentration on the solubility of a particular oral medication will have the following configuration;
The independent variable = The concentration of the acid to which the medication is added
The dependent variable = The solubility of the medication in the acid concentration
The constant = The medication which is added to the acid concentration
The controls = The fixed mass and type of the particular medication and fixed volume of the different concentrations of the acid samples.
A scientist performs an investigation and discovers that increased temperature decreases the number of offspring that an organism produces. Then, the scientist asks a new question about the impact of climate change on the species because
Answer: the results of the investigation led to new scientific questions.
Explanation:
Answer:
Option C
Explanation:
i got it right on edge
Pls help me answer this as fast as possible!!!!
Answer:
its a cell inside you can see the membrane and mitochondria which gives the hint
What are the parts of an atom and the charges associated with each part?
Fructose is a sugar molecule that is similar to glucose. It moves from a high concentration outside the cell to a low concentration inside the cell. How would fructose enter a cell?
passive diffusion
osmosis
facilitated diffusion
active transport
Answer:
facilitated diffusion
Explanation:
i just got it right
Answer:
The correct answer to this question is facilitated diffusion
Explanation:
Of all other elements on the periodic table some are critical what name represents those others and what function do they serve for humans?
Answer:
They are called Trace elements
they function as catalysts for enzymatic reactions
in some oxidation-reduction reactions (Cu) for some metabolic reactions to for ATPs synthesis,and
also as oxygen carrying elements in Hb and myoglobin muscles e,g(Fe)
Explanation:
Basically Trace elements are group of minerals in small quantity in living organisms.Their functions may be important or essential to the organisms,or needed in small amounts non essentials.
Example of these elements are Fe,Zn,Se,Cu,I,Mn Mb. etc
They are also involved in prevention of some diseases .Generally when they are consumed in large amounts they are toxic to living cells.
others like aluminum, cadmium, mercury lead may beneficial to living organisms,but there role has not yet be verified.
Ribosomes and several types of RNA assemble proteins
True
False
Answer:
False
Explanation:
Answer:
the answer is true
Explanation:
they use amino acids to help with the RNA and ribosome protein forming process
What is aerobic respiration?
Explanation:
The respiration which uses oxygen is called aerobic respiration. In aerobic respiration, the glucose food is completely broken down into carbon dioxide and water by oxidation. Aerobic respiration produces a considerable amount of energy for use by the organism which gets stored in the ATP molecules.
If a cell were lacking lysosomes, what would the cell be unable to do?
The cell would be unable to get rid of its excess waste. The lysosome is an organelle specializing in getting rid of worn out things in the cell.
What are three examples of carbohydrates?
Answer:
Glucose, Galactose, Malatose
Explanation:
What happens to the particles of a sample of water as it is changed into ice?
-they become more compact
-they move faster
Can someone please help me with this question? If you can, could you explain it to me in your answer? Thanks.
Answer:
l think this is your correct answer
Identify the living and non-living parts of the nitrogen cycle.
The nitrogen cycle is a cyclical process in which nitrogen moves through both living and non-living things, including the atmosphere, soil, water, plants, animals, and bacteria.
What is nitrogen cycle?The Nitrogen Cycle is a biogeochemical process in which nitrogen is converted into various forms before passing from the atmosphere to the soil to the organism and back into the atmosphere.
Nitrogen fixation, nitrification, denitrification, decay, and putrefaction are some of the processes involved.
Nitrogen fixation, nitrification, and denitrification are the three major steps in the nitrogen cycle.
It is a biosphere cycle that includes the atmosphere, hydrosphere, and lithosphere. Nitrogen can be found in a variety of reservoirs.
The nitrogen cycle is a cyclical methodology in which nitrogen moves through both living and nonliving systems such as the atmosphere, soil, water, plants, animals, as well as bacteria.
Thus, these are some living and non-living parts of nitrogen cycle.
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Answer these two questions about the bacteria population shown in the graph. What is the trend in population size shown by the population in this graph?
Answer:
Explanation:
Answer:
1. Increasing 2. About 5,300,000
Mention 5 factors that
cause climate change
help asap 20 pts ill mark brainliest
Using the examples in the lesson, label each interaction as mutualism, commensalism, parasitism, competition, or predation.
Trees in a forest
Cheetah and gazelle
Cattle egret and grazing cattle
Butterfly on a flower
Bees pollinate flowers
Oxpecker and buffalo
Owl hunting mice
Bucks fighting for territory
Mushrooms on a tree trunk
Spider in a web
Bird feeders in a backyard
Mosquito sucking blood
what is the food you eat used for
Answer:
This energy comes from the food we eat. Our bodies digest the food we eat by mixing it with fluids (acids and enzymes) in the stomach. When the stomach digests food, the carbohydrate (sugars and starches) in the food breaks down into another type of sugar, called glucose.
Explanation:
In an effort to relax after a stress-filled week, Joanne has a couple of glasses of wine, and her co-worker Jim takes a Valium. Both alcohol and Valium work by increasing the activity of the neurotransmitter which inhibits action potentials and slows brain activity.
Most of the water vapor in the atmosphere comes from evaporation of water from oceans. Most evaporation occurs where there is the greatest solar radiation, which is?
More than 200 different type of cels exist in the human body. Why do you think these cells are important for various body functions? Explain your response
Answer:Different cells have different jobs to do. Each cell has a size and shape that is suited to its job. Cells that do the same job combine together to form body tissue, such as muscle, skin, or bone tissue. Groups of different types of cells make up the organs in your body, such as your heart, liver, or lungs
Explanation:
How does a healthy environment helps to make happy life?
Answer:
A healthy environment means the surroundings full of positivity , pollution free , nature that benefits your mind . A good environment makes our mind relax we can think good and positive thoughts . we can spend our lives stress free .
Carlos is heading a student council project to improve cafeteria meals. He surveyed all students who eat cafeteria
lunches to find out which of the five weekly cafeteria options they like least. What steps should Carlos take to best
display this data?
O He should total the votes for each of the options and plot these five values in a pie chart.
O He should total the votes for each of the options and plot these five values in a line graph.
O He should average the votes for each of the options and list the averages in a data table.
O He should analyze the votes for each option and summarize the findings in a paragraph.
Answer:
that answer is a i just took the test
Explanation:
Answer:
A i took the test
Which element of a desert biome is abiotic?
cactus
fungi
lizard
sand
Answer:
1. THE DESERTS -DEFINITION. -FEATURES. -BIOTIC AND ABIOTIC FACTORS THAT INFLUENCE DESERT BIOME. -MOST REPRESENTATIVE DESIERTS IN OUR PERU. DELGADO ENVIRONMENT ELERA, REYNER San José de Moro, September 2014
2. DESERT A desert is an area of the earth's surface totally or almost totally uninhabited. A desert can be a sandy or stony terrain that lacks vegetation due to low rainfall. The harsh environmental conditions mean that these deserts have little stable population DELGADO ELERA, REYNER. CHARACTERISTICS OF THE DESERTS. Temperatures are generally high, but nights can be cold. Its climate is extreme with temperatures of 50 ° C during the day and –20 ° C at night. It is the ecosystem that presents water scarcity. The ground is covered with sand as a result of the disintegration of rocks. The relief presents plains, dunes and in some places oases. There are counter winds and rains are very scarce. Deserts form the largest area of the earth's surface. BIOTIC AND ABIOTIC FACTORS THAT INFLUENCE DESERT BIOMA BIOTIC FACTORS THAT INFLUENCE DESERT BIOME These are the living beings of an ecosystem that survive. They can refer to the flora, fauna, humans of a place and their interactions. Individuals must have specific behavior and physiological characteristics that allow their survival and reproduction in a defined environment. The condition of sharing an environment engenders a competition between species, given by food, space, etc. Depending on the region: In the desert only some animals manage to survive: camels, lizards, spiders, owls, rats, kangaroo, mice, a variety of snakes, hawks, scorpions, birds, squirrels among others. In the same way, in the fauna, only some plants manage to survive. These protect themselves from other animals with the thorns they have and with their thick layer of skin, some of them are: cactus, palm trees, nopales, bushes, grasslands, weeds in oases, etc.
3. Plants and animals that live in the desert are conditioned to withstand extreme temperatures with minimal water. ABIOTIC FACTORS THAT INFLUENCE DESERT BIOME Abiotic means lifeless. They are the different components that determine the physical space in which living beings inhabit; among the most important we can find water, temperature, light, soil, humidity, air and nutrients. They are the lifeless factors. Deserts are known for their extreme abiotic factors. Varied temperature and scarce fluvial precipitation. Sunlight, climatic factors such as: humidity (very low) and temperature (high during the day, very low at night); rocks, sand or very dry soil, atmospheric gases, very strong barometric pressure. Rocky terrain, wind processes are important factors in the formation of the landscape. They have an average rainfall of 200 to 500 mm per year. MOST REPRESENTATIVE DESERTS OF PERU 1. DESERT OF SECHURA One of the most representative deserts of Peru is that of Sechura, located in the northwest of Peru, just between the Lambayeque and Piura regions having a length of 150 kilometers by a width of 100. It is located 55 km southwest of the city of Piura. It is the widest area of the coastal desert in Peru, it has an area of more than 5000 square km. This desert is an arid plateau formed by materials from the Tertiary, with little vegetation, which includes several intermittent lagoons. The aridity of the climate and the unproductive soils limit the settlement of the population, except in the oases that constitute the mouths of the Piura rivers, to the north, and Lambayeque, to the south; agriculture is possible in these areas. DELGADO ELERA, REYNER
Explanation:
Answer:
its sand ok that the an6
Which is NOT true about ALL stars?
All stars are mostly composed of hydrogen
O All stars spend some of their lives as main sequence stars
All stars produce white dwarfs
All stars become giants when they run out of hydrogen
Answer:
All starts become giants when they run out of hydrogen. this information is false.
DNA replication is said to be semi-conservative. Explain why this process has been described this way. Hint: Describe the process of DNA Replication, including what it starts and ends with.
Answer:
DNA replication is said to be semi-consertive because of this process of replication, where the resulting double helix is composed of both an old strand and a new strand.. Semiconsertive replication would produce two copies that each contained one of the original strands and one new strand.
Explanation:
Distinguish between catabolism and anabolism, giving an example of each reaction as endergonic or exergonic:
Answer: Anabolism builds complex molecules from simpler ones, while catabolism breaks large molecules into smaller ones.
Explanation:
a-Glycerol reacts with fatty acids to make lipids:
CH2OHCH(OH)CH2OH + C17H35COOH → CH2OHCH(OH)CH2OOCC17H35
Simple sugars combine to form disaccharides and water:
C6H12O6 + C6H12O6 → C12H22O11 + H2O
c-During cellular respiration, glucose and oxygen react to yield carbon dioxide and water
C6H12O6 + 6O2 → 6CO2 + 6H2O
In cells, hydroxide peroxide decomposes into water and oxygen:
2H2O2 → 2H2O + O2
Nucleic Acids are responsible for the storage of?
Answer:
storage and expression of genetic information
Explanation:
Nucleic acid is an important class of macromolecules found in all cells and viruses. The functions of nucleic acids have to do with the storage and expression of genetic information.
Which statement regarding the structure or function of ribosomes is correct?
a. In eukaryotes, the ribosomes found in chloroplasts and mitochondria are 70S ribosomes, which are similar in size to prokaryotic ribosomes.
b. Ribosomes are found both free-floating and attached to the rough endoplasmic reticulum in eukaryotes and in prokaryotes.
c. Ribosomes are the sites of lipid biosynthesis in both prokaryotes and eukaryotes.
d. The ribosomes in the prokaryote are slightly larger than those found in the eukaryotic endoplasmic reticulum.
Answer:
C
Explanation:
Ribosomes are in Eukaryotic and Prokaryotic cells
I think this is correct
Ribosomes are the site for the protein synthesis. In eukaryotes, the ribosomes found in chloroplasts and mitochondria are 70 S ribosomes, which are similar in size to prokaryotic ribosomes. The correct answer is option a.
What is RER and SER ?It is the rough endoplasmic reticulum and the smooth endoplasmic reticulum.
Eukaryotes and the prokaryotes both got the DNA and the ribosomes as well. The ribosomes which are present in eukaryotes are 80 S and the prokaryotes have 70 S type of ribosome units thus the Mitochondria along with the chloroplast in the prokaryotes have their own ribsomes as well as DNA which is 70 S that is same to the prokaryotes.
Endoplasmic reticulum is the site of lipid synthesis and with that they do show the association with ribosomes for the protein synthesis but not in prokaryotes but that happens in the eukaryotes.
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In the inheritance pattern incomplete dominance offspring demonstrate an intermediate form of alleles from the parents. Is it true or false science
Answer:
The correct answer is True
Explanation:
Incomplete dominance occurs when the dominant allele is not completely expressed to the total exclusion of the recessive allele hence the Phenotype/physical appearance shows an intermediate between the dominant and recessive alleles of the gene. An example of incomplete dominance is when a red flower is cross-pollinated with a white flower and a pink flower is produced as offspring (instead of a red or even white offspring).
Answer:
true trust me
Explanation:
Which characteristic is shared by all arthropods? All arthropods have six legs. All arthropods are insects. All arthropods live on land. All arthropods have exoskeletons.
Answer:
all arthropods have exoskeletons
Explanation:
exoskeletons
are good for smaller insects they provide a larger surface are and are easier to attach muscle
The correct answer is:
D.(All arthropods have exoskeletons)
I took the test, hope this helps!
Monomers and polymers how do they affect the molecules that organisms are made of?
Answer:
The monomers combine with each other using covalent bonds to form larger molecules known as polymers. In doing so, monomers release water molecules as byproducts. This type of reaction is known as dehydration synthesis, which means “to put together while losing water.” ... In the process, a water molecule is formed.
Explanation:
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