Lifespan is an indicator that measures the average of the maximum number of years a human can live.
What is lifespan?It is the number of years that a newborn can live according to the standard of mortality by age of the population of its country.
In other words, it is a concept that only makes sense for one generation and is obtained as part of a mortality table that refers to the average number of years that a person is expected to live after birth.
Therefore, we can conclude that lifespan is an indicator that measures the average of the maximum number of years a human can live.
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What should we demand from the government that can cause a reduction in waste
Answer:
Stricter laws on recycling.
Explanation:
where i am from there is no recycling pickup or even bins with the addition of a recycling program my area alone would greatly reduc on waste produce and thrown away.
8. What is the name of the greenhouse gas emitted by burning the candle?A. Methane (CHA)B. Nitrogen gas (N2)C. Carbon Dioxide (CO2)Oxygen gas (O2)
Answer:
C. Carbon Dioxide (CO2)
Explanation:
The waxy part of candles usually has paraffin or is made of paraffin. Burning it eventually emits carbon dioxide.
Explain the properties of RNA
Answer:
RNA forms in the nucleolus, and then moves to specialized regions of the cytoplasm depending on the type of RNA formed.
RNA, containing a ribose sugar, is more reactive than DNA and is not stable in alkaline conditions. RNA’s larger helical grooves mean it is more easily subject to attack by enzymes.
RNA strands are continually made, broken down and reused.
RNA is more resistant to damage from UV light than DNA.
RNA’s mutation rate is relatively higher.
Unusual bases may be present.
The number of RNA may differ from cell to cell.
Rate of renaturation after melting is quick.
RNA is more versatile than DNA, capable of performing numerous, diverse tasks in an organism.
RNA or ribonucleic acid is a polymer of nucleotides which is made up of a ribose sugar, a phosphate, and bases such as adenine, guanine, cytosine, and uracil.
It is a polymeric molecule essential in various biological roles in coding, decoding, regulation, and expression of genes.
Explanation:
Answer: The full form of RNA is RIBONUCLEIC ACID and is present mostly in viruses. RNA contains genetic information just like DNA.
Explanation:
Which animal is most closely related to the hyena?.
Well a hyena is a type of a dog, so dog or wolf
I need help on question 16 the bottom one and I need help on numbers 8,9 .
Answer:
Number 16 : Natural gas would be encountered first, then petroleum, and finally water.
I'm not sure about 8 and 9 though
2. Match the description with the type of mammal:
• give birth to live young but then carry the tiny babies in a special pouch until they are fully developed
• babies can feed off of the milk in the pouch of their mothers.
• do not have nursing nipples,their babies simply lick the milk from the mammary glands on the skin
• found in Australia for the most part except for the opossum
O marsupials
O monotremes
O placentals
Answer:
marsupials
eg. Kangaroo
Which change is a long-term environmental change? check all that apply. An ice age an earthquake a forest fire a tsunami a mountain building.
Answer:
ice age
Explanation:
an ice age is any geologic period during which thick ice sheets cover vast areas of land.
Answer:
It's Ice age and a mountain building
Explanation:
Those are just reasonable answers trust me i am right. :D
Suggest a means by which you could separate mrna from the other types of rna in a eukaryotic cell
A method by which you could separate mRNA from the other types of RNA in a eukaryotic cell is oligo (dT) chromatography.
What do you mean by mRNA?mRNA may be defined as a molecule in cells that holds codes from the DNA in the nucleus to the sites of protein synthesis in the cytoplasm.
The mRNA can be easily isolated from other types of RNA by the most reliable and convincing method of oligo (dT) chromatography which is the magnetic separation method that bounds oligo (dT) molecules on the surface of paramagnetic beads.
Therefore, a method by which you could separate mRNA from the other types of RNA in a eukaryotic cell is oligo (dT) chromatography.
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a thermometer with measurements divided into tenths is more ____ than a thermometer with measurements divided into whole numbers
Answer:
Accurate would be the answer I believe.
Explanation:
A thermometer would be more accurate in tenths because it can get much closer to the actual value of the temperature that is being read. Let's say someone has a temperature of 98.7 a thermometer that is in the tenths would be accurate and say that the temperature is 98.7, but if it was in whole numbers it would have to round the temperature, which would be inaccurate.
Accuracy: description of how close a measurement is to an accepted or true value.
Answer:
Accuracy would be the correct answer.
How can a renewable resource run out? Please answer thoroughly!!!
Answer:
statement"run out"ain't right for this situation renewable resources will temporarily"run out" if our consumption for it increased more than it's refill rate
What are some producers, consumers,
scavengers, and decomposers you have seen in your
neighborhood?
Answer:
Producers: oak trees, flowers, maybe pine trees
Consumers: Squirrels, spiders, dogs, cats
Decomposers: Wild mushroom, fungus on rotting food
Scavengers: Crows, possums, ants
Explanation:
What would be the first thing you would do if your clothes caught fire while working in a laboratory?
A.
Call out to your teacher
B.
Drop and roll on the floor to extinguish the fire
C.
Run towards a source of water to extinguish the fire
Answer:
Im going to go with (B) or (C)
Explanation:
These look like safe procedures that can help put out the fire.
Elanco Fundamentals of Animal Science Certificatio
Most digestive disturbances in horses are a result of which of the following?
O Overfeeding grains
O Too much water
O Underfeeding grains
O Overchewing hay
Answer:
Overfeeding grains.
Explanation:
I think it’s this because, if you overfeed a horse, they won’t be able to digest things enough or as fast.
describe the five cellular targets of antibiotics, and explain antibiotics are effective against bacteria but not viruses.
Five cellular targets of antibiotics were exploited withinside the improvement of antimicrobial drugs: cell wall synthesis, protein , ribonucleic acid , (DNA) , and middleman metabolism.
How do antibiotics acts as resitance?The principal mechanisms of resistance are: proscribing uptake of a drug, amendment of a drug target, inactivation of a drug, and lively efflux of a drug. These mechanisms can be local to the microorganisms, or received from different microorganisms.
In principal, there are 3 principal antibiotic objectives in bacteria: The cell wall or membranes that surrounds the bacterial mobileular. The machineries that make the nucleic acids DNA and RNA. The equipment that produce proteins (the ribosome and related proteins).
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Even though there are gaps in the fossil record, some of the most direct evidence for evolution comes from fossils called ______ fossils that illustrate how certain major transformations in life forms occurred.
Transitional fossils illustrate how certain major transformations in life forms occurred.
What is evolution?The term evolution refers to the changes that take place in organisms as they move from ancient forms to their present forms.
Fossil records have been very helpful in the determination of evolution patterns. Transitional fossils illustrate how certain major transformations in life forms occurred.
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which of the following is a healthy food for ducks to eat?
A
crackers
B
old bread
C
bugs
D
uncooked rice
What kind of vegetation would you most likely expect to find in the chaparral biome?
a.
deciduous trees
b.
tall grasses
c.
hardy shrubs
d.
tall pine trees
Hardy shrubs is the kind of vegetation would you most likely expect to find in the chaparral biome.
What is Chaparral biome?This type of biome is characterized by hot and dry summers and mild winter period.
It is composed of mostly hardy shrubs and is susceptible to fire during late summer period.
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Answer:
C. hardly shrubs
Source:
trust me bro
what part of a plant is needed to propagate a new plant?
Answer:
a stem or a leaf
Explanation:
Cuttings can be made from any part of the plant. Most frequently, however, either a stem or leaf is used. A stem cutting includes a piece of stem plus any attached leaves or buds. Thus, the stem cutting only needs to form new roots to be a complete, independent plant.
is the moon a star or a satellite
Answer:
A star but I like to prefur a planet
Explanation:
How can the end of the beach without barrier islands be protected from losing more beach area? Explain your answer
Why are Giraffes tall
Answer:
Being taller would give them the advantage of eating leaves off trees that other herbivores couldn't reach.
Explanation:
trust
Answer:
They eat leaves off trees so they are tall
Explanation:
What is a major shortcoming in the field of behavioral genetics in terms of their studies on human personality traits?.
Answer:
Behavioral geneticists are unable to conduct controlled research studies on human subjects.
Menopause in women is a natural part of aging. During this transition the body's production of two hormones fluctuate and decrease. One is progesterone, the other is ________
Menopause in women is a natural part of aging. During this transition the body's production of two hormones fluctuate and decrease. One is progesterone, the other is estrogen.
What does estrogen do for a woman?Estrogen assists make women shapier than men by creating their pelvis and hips vaster, and their breast development.
Estrogen is part of menstrual cycle, helps you get pregnant, and recreates a part in aids you growth bones and grow hair.
It also helps control your tempers and affects your brain growth and network.
Thus, estrogen is the correct answer.
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i'll give brainliest! plss help
imagine that you are kneading dough for homemade pizza. Describe how the different areas of your body communicate through the nervous system.
Answer: you are using a few
Explanation:Your brain tells you hades to knead the dough and tells you how to move your arms hands
The nervous system is the control and the coordination center that passes the signals in the body. The motor and sensory actions work in accordance with the muscular system.
What is the nervous system?
The nervous system is the commanding center that controls the body's movement in response to action and stimuli. The body receives an action in the form of kneading in case of making pizza.
The somatic nervous system sends the sensory impulses to the brain and the spinal cord of the body to react to the kneading action. The impulses are received by the brain and the motor nerves send the reaction back to the muscles.
Therefore, the sensory and the motor nerves communicate in the nervous system.
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Which environmental factor can lead to a decreases in the genetic variation of the population of tuna
Answer:
The environmental factor that could lead to a decrease in genetic variation in a tuna population is an increase in pollution (second option).
Explanation:
There is a correlation between genetic variability and environmental pollution, the latter being a factor that impacts negatively on the variability of a specific population.
The concept of pollution stress not only implies a low rate of reproduction, but it is also a factor that prevents genetic exchange with other populations, which is a factor that makes the genetic variability decrease in a population.
For these reasons an increase in pollution implies a decrease in genetic variability in a tuna population.
The flea that bit the rat, then the person and gave him the disease is called a _____ giving brainliest to first answer!
(Number 3)
Answer:
Vector
Explanation:
A vector is an organism that transports a disease from one organism to another.
All of the following are examples of evidence for evolution except... *
vestigial structures
o
non inheritable skills/traits
analogous structures
3
o embryology
Answer:
non inheritable skills/traits
With reference to the induced fit model, describe how the tertiary structure of a named enzyme facilitates its function as a biological catalyst
The induced-fit model includes the change in the conformational site of the substrate and enzyme. It is done till the enzyme completely binds the substrate. This will then activates the enzyme to perform its work.
What is induced fit theory?Induced fit theory or model suggest that the activation site of enzymes and the binding site of substrates undergo some conformational changes to fit into each other.
This binding results in activation of the enzyme and as the enzyme has a three-dimensional tertiary structure, this would help it to get fitted into the substrate.
Thus, with reference to the induced fit model tertiary structure of enzyme facilitates its function as a biological catalyst.
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What do you know about supply and demand ?
Answer:
The less supply, the more demand, and vice versa.
Explanation:
It also depends on how valuable the resource is.
Question 7 of 34
Which system does the endocrine system interact with to regulate water
levels in the body?
O A. Respiratory system
O B. Excretory system
O C. Reproductive system
O D. Digestive system
Answer:
B. Excretory system
Explanation:
Because the excretory system is made to remove urine which consists of waste materials such as excess salts and water. The kidneys are present in it as well. If there is too much water in the body the excretory system will produce urine with higher water concentration so whiteish urine will be produced and if there is a low amount of water in the body the excretory system will produce urine with lower water concentration so yelloish or greenish urine will be produced