in chapter 9, you learned about water and the final group of micronutrients, minerals. fourteen minerals have been identified as being essential for growth, reproduction, and life, while an additional 8 may perform functional roles. eating an adequate, varied, and balanced diet is the best way to get the minerals that your body needs. water is in many ways our most limiting nutrient we cannot survive long without it. let us start by focusing on the major minerals.
Answers
Eating an adequate, varied, and balanced diet is the best way to get the minerals that your body needs. water is in many ways our most limiting nutrient we cannot survive long without it. the final group of micronutrients, minerals.
Sodium:Chronic disease risk reduction
Established at 2300 mg per day
40% table salt
Overconsumption associated
Increased risk of hypertension
Along with chloride, primarily in extracellular fluid
Water intoxication leads to hyponatremia, low blood level of this mineral
Potassium:The DASH diet is rich in it
Primary intracellular fluid
Significant amounts found in soft water
Excessive loss with vomiting or diarrhea
Can lead to hypokalemia, low blood level of this mineral
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Related Questions
Electrolytes control fluid balance in the cells.
a. True
b. False
Answers
True Electrolytes control fluid balance in the cells.
Electrolytes are substances that have a natural positive or negative electrical charge when dissolved in water. They also helps to regulate chemical reactions and balance between fluids inside and outside the cells.
The amount of electrolytes in your body can be too low or too high. this is due to fluctuation of water in your body changes. Electrolytes are essential for basic life functions, for example maintaining electrical neutrality in cells, generating and conducting action potentials in the nerves and muscles.
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A reaction has a negative reduction potential.
A reaction has a negative reduction potential.
The reverse reaction would be an oxidation reaction.
The reaction would be spontaneous if reversed.
The products of the reduction reaction want to lose electrons.
If reversed, the reaction would be both a spontaneous reaction and an oxidation reaction.
All of the above.
Answers
The correct answer is: All of the above.
When a reaction has a negative reduction potential, it indicates that the reaction is more likely to undergo oxidation rather than reduction. Therefore, the reverse of the reaction would be an oxidation reaction.
Since the reverse reaction is an oxidation reaction, it would be spontaneous if the original reaction was spontaneous in the forward direction. Spontaneous reactions tend to occur naturally without the need for external energy input.
The products of the reduction reaction, in this case, would be the species that gained electrons. Therefore, they would have a tendency to lose electrons, making them more prone to undergo oxidation.
So, all the statements are true.
Biology 3.03 Lab: Dichotomous Key 1. I desperately need help.
Create a dichotomous key that identifies the 10 leaves on the Common Leaves sheet. Look closely at those leaf samples and devise a dichotomous key that helps you identify them. Be sure that your dichotomous key contains only pairs of statements about a single characteristic. For example, a pair of statements might be:
A. leaf margin smooth
B. leaf margin toothed
However, you should avoid pairs of statements that do not address the same characteristic. The following pair, for example, would not be very informative in your key:
A. leaf margin smooth
B. leaf type needle-like
As you develop your key, test it out with the 10 leaves provided on the Common Leaves sheet. When you've developed a key that identifies all 10 leaves, type your statements, “go tos,” and identifications, following the format in the example below. The example is based on this lesson’s dichotomous key for birds.
Once you have completed your dichotomous key, answer the two remaining questions. When you are finished, submit this assignment to your teacher by the due date for full credit.
1. Complete a dichotomous key for the 10 leaves on the Common Leaves sheet. The chart provided here allows for 11 pairs of statements. Depending on how you build your dichotomous key, you may or may not need all of them, or you may need to add some.
2. Can more than one dichotomous key be developed to identify the same group of organisms? Explain. To answer this question, refer to this lesson’s dichotomous key for birds.
Answer:
Type your answer here.
3. If two different people use the same dichotomous key to identify the same organism, should they have different results? Explain.
Answer:
Type your answer here
I apologize if this makes no sense at all.
Answers
The following could serve as a dichotomous key to identifying the ten leaves: Oval or elliptic in shape. linear or lanceolate in form. cordate or triangular in form. Orbicular or reniform leaves. Oval or spatulate leaves. smooth leaf margin
What does a dichotomous leaf key entail?An instrument that assists in the identification of different leaf species is a dichotomous key for leaves. By offering two different explanations for each observation, it aids in the classification of species.
What kind of plant has a dichotomous key, specifically?For instance, a dichotomous key in tree identification would inquire as to whether the tree has leaves or needles. If the tree has leaves, the key then sends the user down one set of questions; if the tree has needles, an other list of questions is presented.
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A botanist scrapes off a flower of one plant and then uses it to pollinate the flower of another plant. What can be scientifically concluded about their offspring
Answers
The offspring resulting from pollinating a flower of one plant with the scraped-off flower of another plant will be genetically distinct from their parent (option c) .
When a botanist scrapes off a flower from one plant, it collects the pollen from that flower.
The botanist then uses the collected pollen to pollinate the flower of another plant, transferring the genetic material from one plant to another.
Pollination is the process by which pollen grains are transferred from the male reproductive organ (stamen) to the female reproductive organ (pistil) of a flower.
During pollination, the pollen carries the genetic information (DNA) of the plant it came from.
When the pollen reaches the stigma of the second plant's flower, it fertilizes the ovules and initiates the formation of seeds.
The seeds that develop from this cross-pollination will contain a combination of genetic material from both parent plants.
Due to the mixing of genetic material, the offspring will be genetically distinct from either parent.
The specific characteristics of the offspring will depend on the traits inherited from each parent.
Genetic recombination and variation occur during sexual reproduction, resulting in offspring that exhibit a range of genetic traits.
Therefore, based on the process of sexual reproduction and genetic mixing through pollination, it can be concluded that the offspring will be genetically distinct from their parent.
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Please label the below diagram and give it a title
Answers
To answer this question we need to remember quickly the structure of DNA. Each nucleotide of DNA is composed of deoxyribose (pentose), a phosphate group, and a nitrogenated base that can be Adenine, Guanine, Cytokine, and Thymine, in the strand each nucleotide is joined with the next by the phosphate group and carbon in the next pentose, each base is paired with its complementary interacting through hydrogen bonds.
The structures are as follows
a.-Adenine, Puric nitrogenated base
b.-Cytokine, Primidic nitrogenated base
c.-Adenine, Puric nitrogenated base
d.-Thymine, Pirimidic nitrogenated base
e.-Guanine, Puric nitrogenated base
f.- Cytokine, Primidic nitrogenated base
g.-Nucleotide
h.-Hydrogen bond
i.-Pentose phosphate
what Causes liquids to rise and depends on the strength of adhesion?
Answers
(Cohesive forces between molecules)
For example: Attractive forces between molecules of the same type are called cohesive forces.
The logic falls in the category known as the Capillary rise or capillarity is a phenomenon in which liquid spontaneously rises in certain terms or falls in a narrow space or in the voids of a porous material.
The surface adhesion forces or internal cohesion present at the interface between a liquid and a solid stretch the liquid and form a curved surface which in terms are called as a meniscus.
We could later on conclude that fractures can be desaturated more easily than the matrix if fracture apertures are larger than matrix pore sizes.
I hope I helped in some way, I had to type all this out, and good luck on your work.
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Which of following items is probably the most ductile?
A. slice of bread
B. piece of chewed gum
C. wooden blocks
D. piece of paper
Answers
Answer:
D I think
because ductile means that they can form without cracking
piece of chewed gum.
Explanation:
chewing gum is flexible. it shows both malleability and ductility
Amino acids all have the same basic core, it is the ___
that makes them unique.
O amino group
O phosphate group
O side chain
O all of these
O none of these
Answers
Answer:
side chain
Explanation:
Why do scientists try to test many individual hypotheses
Answers
Answer:
In the process of making discoveries, scientists make hypotheses. Scientists test hypotheses by making predictions. They need to test many individual hypotheses because they need to gain strong inferences, as a means to enhance the effectiveness of the scientific investigation.
Natural selection is the process by which biological traits either become more or less
apparent within a population. There are certain conditions which are the basis for natural
selection. Which of the following examples best represents the adaptation of a species to its
environment.
A. Some members of a garter snake species are resistant to a toxin produced by one of its food sources and will successfully
reproduce and pass the resistant trait on to their offspring
B. species of crab is living and reproducing successfully near hot hydrothermal vents at the bottom of the Pacific Ocean,
while other crab species are unable to survive there.
C. Male Birds of Paradise inherit brilliant colors which they displayed in elaborate poses or dances in order to catch the
attention of a female mate.
D. Female Loggerhead turtles lay about 100 eggs, which when hatched produce offspring that must make a mad dash to the
ocean before being eaten by predatory sea birds.
Answers
Answer: B. species of crab is living and reproducing successfully near hot hydrothermal vents at the bottom of the Pacific Ocean, while other crab species are unable to survive there.
Explanation: This species of crab adapted to their given habitat, while other couldn’t.
Answer:
B. species of crab is living and reproducing successfully near hot hydrothermal vents at the bottom of the Pacific Ocean, while other crab species are unable to survive there.
Which type of transport is used to move a molecule from a region of low
concentration to a region of high concentration?
A. Active transport
B. Osmosis
C. Passive transport
D. Diffusion
SUBMIT
Answers
Answer:
A.(Active transport) is used to move a molecule from a region of low concentration to a region of high concentration.
A = active transport
active transport is the movement of molecules or ions from a region of their low concentration to that of their High concentration across a Semipermeable membrane with the use of oxygen
The culture you are working has a doubling time of 2 hours and a cell density of 3 x 10^6 cells per mL. For your experiment, you first dilute the culture 100 fold. Assuming that there is no lab phase and that the cells remain in exponential growth the entire time, what is the cell density (cells/mL) after 10 hours
Answers
The cell density (cells/mL) = 15× 10^6 cells per mL.
Calculation of cell densityThe doubling time of culture = 2 hours
The cell density after 2 hours = 3 x 10^6 cells per mL
Since the dilution did not affect the lag phase and exponential growth rate, the cell density after 10 hours is calculated below:
2 hour = 3 x 10^6 cells per mL
10 hours = X
Cross multiply,
\(x = \frac{10 \times 3 \times10 {}^{6} }{2} \)
\(x = \frac{30 \times 10 {}^{6} }{2} \)
X= 15× 10^6 cells per mL
Therefore, the cell density in (cells/mL) after 10 hours = 15× 10^6 cells per mL.
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What tipe of cactus is this?
Answers
Answer:
Hey!
I think it is the San Pedro Cactus!
Explanation:
i have one at home just like that!
HOPE THIS HELPS!!
Answer:
san pedro
Explanation:
what is the steps of the digestion of protein
Answers
Answer:
Protein digestion begins when you first start chewing. There are two enzymes in your saliva called amylase and lipase. They mostly break down carbohydrates and fats. Once a protein source reaches your stomach, hydrochloric acid and enzymes called proteases break it down into smaller chains of amino acids.
Hope this helps :)
Answer
Enzymes break down carbohydrates, proteins and fats
Explanation:
Protein digestion begins when you first start chewing. There are two enzymes in your saliva called amylase and lipase. They mostly break down carbohydrates and fats. Once a protein source reaches your stomach, hydrochloric acid and enzymes called proteases break it down into smaller chains of amino acids.
i think plants are related if they__
Answers
If they have DNA !!
Organic materials and fertilisers enhance soil texture, enabling it to retain water for longer periods of time, and boost microbial and fungi activity.
How would you conduct your investigation? In your answer, explain your independent and dependent variables.
Answers
Answer:
To conduct an investigation on the effect of organic materials and fertilizers on soil texture, you can follow these steps:
Define the independent and dependent variables:
Independent variable: type of organic material or fertilizer used (e.g. compost, manure, chemical fertilizer)
Dependent variable: soil texture (e.g. water-holding capacity, porosity, bulk density)
Design the experiment:
Choose a representative soil sample and divide it into several equal portions.
Treat each portion with a different organic material or fertilizer.
Control for extraneous variables by maintaining consistent environmental conditions (e.g. temperature, moisture levels) for each soil sample.
Collect and analyze data:
Measure the dependent variable (soil texture) for each soil sample after a set period of time (e.g. after 2 weeks).
Compare the soil texture of the treated samples to the control (untreated) sample.
Use statistical analysis to determine if any significant differences exist between the treatments and the control.
Draw conclusions:
Based on the results of the data analysis, draw conclusions about the effect of different organic materials and fertilizers on soil texture.
Determine if there are any significant differences in soil texture between the treatments and the control.
To conduct the investigation:
identify the independent and dependent variables: the Independent variable is the type of organic material or fertilizer used while the dependent variable is the soil texture Choose a soil sample and divide it into several equal portions and add organic materials to one portion and none to the other portionCarry out the to determine whether the soil samples that had organic materials and fertilizers retained water more than the soil sample that lacked organic materials and fertilizers.What is an experiment?An experiment is a technique used to confirm or deny a hypothesis, as well as assess the likelihood or effectiveness of something that has never been tried before.
Experiments show the relationship between the independent and dependent variables.
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you and your friend in the school yard. you rest your ear against a metal leg of the swings while your friend gently taps on the leg. you hear the tapping. describe the wave produced bt tapping. is it a longitudinal wave or a transverse wave? Draw a model of the wave.
Answers
The wave produced by tapping on the metal leg of the swings is a longitudinal wave. Longitudinal waves have oscillations that occur parallel to the direction of wave propagation.
When your friend taps on the metal leg, it causes compression in the material. This compression then travels through the metal as a wave, with successive compressions and rarefactions. As the wave reaches your ear, it causes your eardrum to vibrate, and you perceive the tapping sound.
| | | | |
C R C R C
| | | | |
The "C" represents compression, and the "R" represents a rarefaction. The wave propagates from left to right, with each compression and rarefaction alternating in sequence. As you rest your ear against the metal leg of the swings, you are able to detect the longitudinal wave as it travels through the metal and into your ear.
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what is a structure on a hawk that allows it to survive in its environment and how
Answers
Answer:
Hawks have many adaptations that enable them to survive in high places.
Explanation:
They have hollow bones that gives them buoyancy for flight.
They have good eyesight for hunting prey.
They have feathers to keep them warm during cold weathers. The feathers also add to their ability of flight.
They have claws or talons for attacking prey. They have sharp beaks for tearing into the flesh of their prey.
Amylase, albumin, hemoglobin, keratin, and collagen are all
O carbohydrates
Onucleic acids
Oproteins
Olipids
Answers
Amylase, albumin, hemoglobin, keratin, and collagen are all option(c) i.e, proteins.
An incredibly complex, naturally occurring molecule known as a protein is made up of amino acid residues connected by peptide bonds. All living things contain proteins, which are the building blocks of numerous vital biological substances like enzymes, hormones, and antibodies.
The three basic classes of proteins—globular, fibrous, and membrane—that correspond to typical tertiary structures can be arbitrarily grouped into three groups. Plant-based foods (fruits, vegetables, grains, nuts, and seeds) frequently lack one or more essential amino acids, but animal-based foods (meat, chicken, fish, eggs, and dairy products) are frequently good sources of complete protein.
The body uses protein for a variety of purposes. It promotes metabolic reactions, supports tissue growth and repair, and synchronizes biological processes. Proteins give your body a structural foundation while also ensuring optimal pH and fluid balance.
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10. Explain how the principles of biological organization apply to populations, communities, ecosystems, and biomes.
Answers
Answer:
It can. refer to using the biological cycle
Explanation:
like a paramid of food and the ecosystem in the living organization in the living organisams.
How is this method of reproduction advantageous to the honeybee colony?
Answers
The method of reproduction in honeybee colonies, known as swarming or colony division, has several advantages for the colony; Increase in colony size, Genetic diversity, and reproduction.
Swarming allows the honeybee colony to increase its population and overall size. When a colony becomes overcrowded, the queen and a portion of the worker bees leave the original hive to form a new colony, taking with them the resources needed to establish a new colony.
Swarming helps in promoting genetic diversity within honeybee colonies. When a colony swarms, the original queen leaves with a group of workers, and a new queen is raised in the original hive from eggs laid by the existing workers.
Swarming is a natural means of colony reproduction, allowing honeybee colonies to reproduce and potentially establish new colonies in different locations. This increases the chances of survival and reproduction of the honeybee colony as a whole, as it can establish new colonies in favorable locations with ample resources.
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!!!!!!HELP PLS I NEED ASAP ITS TIMED
Answers
Answer:
in order going from the top to the bottom.
water is compound composed of three atoms
- 1 Hydrogen, 2 oxygens
Cohesive
Because water is a polar molecule it is a good solvent
sweating can have a cooling effect due to evaporation. this is becayse energy is needed to break waters hydrogen bonds.
Frozen water is less dense than liquids water causing ice to float
Explanation:
Why can’t animals be autotroph
Answers
Answer:
They can't get energy or food from the sun. They must hunt for their food.
Explanation:
All of the following are examples of erosion EXCEPT
O The wind in the desert blows sand against a rock.
O A glacier picks up boulders as it moves.
O A flood washes over a riverbank, and the water carries small soil particles downstream
O An icy winter causes the pavement in a road to crack
Answers
Which of the following best describes cell communication processes that occur when a cell detects a signaling molecule?
A. The cell produces hormones that convert the molecule to an electric signal that is detected by relay molecules
B. The cell releases an enzyme that binds the molcule to receptors, allowing the molcule to enter the cell
C. The molecule binds to a receptor protein, which changes the protein and triggers signal transduction
D. The molecule enters the cell through an ion channel and activates a cellular response by inhibiting tranduction
Answers
hope I’m right.
PLEASE HELP ASAP I don’t know how to do this
This is the link for the chart:
fire.ca.gov/stats-events/
Answers
Over time, California wildfires have become more frequent, intense, and destructive due to a combination of factors such as climate change, drought, and increased human activity in fire-prone areas.
The state has experienced some of its largest and deadliest wildfires in recent years, including the 2017 Wine Country fires, the 2018 Camp Fire, and the 2020 August Complex Fire. These fires have not only caused significant property damage and economic losses but also resulted in loss of life and long-term health effects for residents.
The trend of more frequent and intense wildfires is likely to continue unless effective measures are taken to address the underlying causes and prevent their occurrence.
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explain tidal air in biology
Answers
The amount of air inhaled or exhaled in each respiratory cycle, during a normal, regular breathing.
Which term is used to describe the different depth areas of the oceans?
Opedantic zones
O podiatric zones
pelagic zones
Oprehistoric zones
Answers
Answer:
pelagic zones
Explanation:
How many autosomes does the patient have?
Answers
Answer:
Explanation:
22 pairs
Why should you not exercise right after a meal?
because your lungs don't function as well
the body cannot supply enough blood to both digestive system and muscles
the arteries to the stomach are open wide
the arteries to the leg are open wide
your muscles need oxygen
Answers
Answer:
You shouldn't exercise right after eating a large meal, as you may feel bloating or muscle cramping. It's better to eat low-fiber, low-fat, and high-carbohydrate snacks 30 to 45 minutes before exercising. This can include yogurt, fruit, granola, peanut butter, or whole-wheat toast.
Explanation:
please mark me brainliest
Answer:
Why should you not exercise right after a meal?
because your lungs don't function as well
the body cannot supply enough blood to both digestive system and muscles
the arteries to the stomach are open wide
the arteries to the leg are open wide
your muscles need oxygen