Answer:
Sebastian wants to make ball-and-stick models of the four macromolecules. He has colored balls for each of the elements in these molecules, including the following. red: hydrogen black: carbon purple: oxygen green: nitrogen For a model of which macromolecule will he need mostly black and red balls? carbohydrates lipids nucleic acids proteins
Explanation:
thers not much to explain about this but i tryed my best
Which length of waves are MOST harmful
to humans?
A. visible light
B. short waves like gamma rays and x-rays this answer
C. long waves like radio waves
D. Infrared light
farmers are aware that chemical fertilizers cause damage to the soil, they still use it because of ?
Fertilizers maximize crop yield and increase plant production so, it is used by the farmers in the field.
What are Fertilizers?Fertilizers are the food for plants which provide nutrients to the plants for growth. These are the chemical substances which is applied to the crops to increase their yields and production. It can be of natural or synthetic origin which is applied to soil or to plant tissues to supply plant nutrients.
There are three types of fertilizers which provide the growth to the plants.
1. Nitrogen
2. Phosphorus
3. Potassium
These fertilizers can be used in the field
N, P and K Fertilizers.Micronutrient FertilizersRock PhosphateOrganic Manures.Thus, fertilizers maximize crop yield and increase plant production so, it is used by the farmers in the field.
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Breakout Edu question 2 on family gathering I don’t know if anyone can help but I could use it.
Answer:
Explanation:
.
What is the main purpose of RNA? O To relay instructions for making proteins from the nucleus to the vacuole O To relay instructions for making proteins from DNA to the ribosome To relay instructions for making proteins from the cell membrane to the ribosome O To relay instructions for making proteins from the ribosome to DNA
Answer: The primary function of RNA is to create proteins via translation. RNA carries genetic information that is translated by ribosomes into various proteins necessary for cellular processes. mRNA, rRNA, and tRNA are the three main types of RNA involved in protein synthesis.
Explanation: I study microbiology
D. Variation existed in the traits of the fox population. Foxes with smaller ears and noses were able to stay warmer and were more likely to survive and reproduce to pass their genes on to offspring. Over time, the fox population showed a shift to smaller ears and noses.
The variations in the traits of fox population made them survive more in the cold climate.
What are variations?
Any difference in cells, individuals, or populations of organisms of any species that may be attributed to genetic differences (genotypic variation) or to the influence of environmental conditions on the manifestation of genetic potentials is referred to as variations.Variations in organisms leads to their better adaptations in the adverse climate.What are adaptations?
Adaptation is the feature of an organism's behavior or physical makeup that enhances the organism's capacity for survival in its environment.
Therefore, variations leads to adaptation of organisms which increases their survival rate. Also the genetic variations are passed on to next generations.
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In humans, which chromosome pair is the largest?
- 22
- 23
- 1
- 10
Answer:
23
because humans have 46 chromosome or 23 pairs
The production of ATP in the mitochondria
a. is anaerobic
b. takes place in the outer layer of mitochondria
c. takes place in eukaryotic and prokaryotic cells
d. is directly responsible for beginning the process of making ribosomal RNA
e: requires oxygen
Answer:
e: requires oxygen
Explanation:
a: false, the process is aerobic
b: false, takes place in the matrix
c: false, prokaryotes lack mitochondria
d: false, it is not resonsible for process of rna production
Electromagnetic radiation travels
A. in an unpredictable way
B. as a straight line
C. as a square
D. as a wave this is answer
Electromagnetic radiation travels as a wave
Electromagnetic radiation is a form of energy that propagates as both electrical and magnetic waves travelling in packets of energy called photon and there is a spectrum of electromagnetic radiation with variable wavelength and frequency and which in turn impart different characteristics and electromagnetic radiation is a type of energy that commonly known as light and generally light travels in waves and all electromagnetic radiation travel at the same speed and which is about 3.0×10⁸m/s through a vacuum and electromagnetic waves are produced by motion of electrically charged particles
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Which of the following DNA analysis techniques requires the most steps to complete?
STR profiling
SNP analysis
Y-STR analysis
DNA fingerprinting
The DNA analysis technique that requires the most steps to complete is DNA fingerprinting (Option D) The DNA fingerprinting takes 8 steps to complete.
What is DNA fingerprinting?DNA fingerprinting is a technique for identifying an individual from a DNA sample by examining distinctive patterns in their DNA.
The steps involved in DNA fingerprinting are as follows: The DNA is being isolated. The DNA is digested using restriction endonuclease enzymes. Electrophoresis is used to separate digested fragments based on fragment size.
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Define umbra pleaseeeeeeeeeeeee
Umbra can simply be defined as full shadow region of a shadow cast represented by an opaque object as it relates to eclipse.
How an eclipse is related to the eclipse of the moon.The eclipse of the moon occurs naturally when the location or position of earth is found between the moon, sun and the Earth's shadow. The eclipse of the moon or lunar eclipse can be completely observed and identified in fully shaded region of a shadow cast as discussed from the solution above.
In conclusion, we can now confirm from the explanation above that umbra also means darkness.
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Name the three most common
prokaryotic shapes?
A. bacteria, archaea, and protists
B. cocci, bacilli, and spirilla this
C. Neither of these
Answer: B. Cocci, Bacilli, and Spirilla
Explanation:
examples and non examples of a isotope
Answer:
carbon-12, carbon-13 and carbon-14
Explanation:
this three isotopes of the element carbon with mass numbers 12, 13 and 14 respectively.
A geologist is studying some ancient igneous rocks. She uses the unstable element Uranium 235 to date the material. The half-life of this element is 704 million years. If she finds parent isotope to daughter isotope ratio in the amount 12.5% parent to 87.5% daughter, about how old will the sample be?
The age of the sample from the half life is 2.1 * 10^9 years.
What is the age of the sample?We know that when radioactivity is taking place, the parent nucleus would disintegrate and the daughter nucleus is formed. We can know the amount of the parent and daughter isotope as it is in the question.
We mow need to find the age of the sample from;
N/No = (1/2)^t/[tex]t_{\frac{1}{2} }[/tex]
N = Number of atoms that remain after time t
No = Number of atoms originally present
t = age of the sample
[tex]t_{\frac{1}{2} }[/tex] = Half life of the sample.
To obtain the age of the sample;
0.125No/No = (1/2)^t/704 * 10^6
0.125 = (1/2)^t/704 * 10^6
(0.5)^3 = (0.5)^t/704 * 10^6
3 = t/704 * 10^6
t = 3 * 704 * 10^6
t = 2.1 * 10^9 years
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which organisms in an ecosystem require the most energy to sustain life?
24 kcal The greatest energy is needed by hawk (carnivore) creatures in an ecosystem to maintain existence.
What, in plain terms, is an ecosystem?Entry-level encyclopedia vocabulary An ecosystem is a region where a bubble of life is created by plants, animals, and other organisms interacting with the weather, environment, and other factors. Abiotic variables, or nonliving components, coexist with biotic components in ecosystems.
Describe the natural ecosystem.The interactions between species and the environment produce a natural ecosystem. An ocean, for instance, is categorized as a marine ecosystem since it contains algae, consumers, and decomposers. This kind of ecosystem goes through a cycle that starts with algae producing energy through photosynthesis.
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How does the body respond if the skeletal system does not function properly? I would like a detailed answer please :)
If there is no skeletal system, the person will not be able to move at all or breathe.
Why is the skeletal system so important?The skeletal system not only serves as a support and lever for the movements of the body, it also serves as protection for the internal organs so that in the face of an impact it does not cause them any damage.
Also the thorax, apart from supporting all the thoracic organs and protecting them, will have a function in breathing so that they inflate while the diaphragm contracts. If all this is not done simultaneously, breathing will not be possible and this will be incompatible with life.
As for the skull, there will not be the correct separation of nerves and brain fluids and this will not be sustainable for life either, since a certain support is needed that gives the cerebrospinal fluid to the structures of the central nervous system and the intracranial pressure that also occurs.
Therefore, we can confirm that if there is no skeletal system, the person will not be able to move at all or breathe.
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Provide a possible solution to reduce the damaging effects of an El Niño or las Nina event
Solution to reduce the damaging effects of an El Niño or las Nina event is alternating extreme weather condition which emanates from east central equatorial pacific ocean
El Niño is usually associated with rising sea level which raises temprature beyond normal and resulting into events such as flooding and rainstorm and El Niño effect can be curtailed by building storm resist structure in affected area while also ensuring good drainage system to reduce the effect of flooding's and more than 60 million around the world have been impacted and people whose livelihood depend in agriculture, fisheries and livestock's are particularly affected and hence resulting in extreme weather condition in some other location on earth
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List three organisms that live in the rainforest
Answer: Poison Dart Frog, Jaguar, Sloths
Explanation:
If mitosis but not cytokinesis occurred in onion root tip cells, what would you expect to see on a slide of these root cells?
Answer: Well, cytokines happens after mitosis so you wouldn't see the daughter cells dividing yet.
Explanation: Onion root-tip cells divide once every 24 hours, or roughly two hours after sunrise, and go through a cell cycle that lasts for about 24 hours. Therefore, in order to harvest the greatest amount of proliferating cells, water-grown roots should only be removed at that time.
Form a hypothesis to explain the earthquakes that preceded the eruption of Mount St. Helens' 2004 eruption.
The eruption was preceded by a two-month series of earthquakes and steam-venting episodes produced by an injection of magma at shallow depth below the mountain.
What preceded the eruption of Mount St. Helens' 2004 eruption?A wave of diminishing pressure traveled down the volcanic conduit until it reached the underground magma reservoir. The magma reservoir then started to rise, produce bubbles (degas), and erupt explosively, which drove a Plinian eruption that lasted for 9 hours. Mount St. Helens's summit crater saw a steam-blast eruption recently.
An injection of magma at a shallow depth below the mountain caused an enormous bulge and a fracture system on Mount St. Helens' north slope before the eruption, which was preceded by a series of earthquakes and steam-venting episodes that lasted for two months.
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In tomatoes, red fruit (R) is dominant to yellow fruit (r). Cross a homozygous dominant fruit with a heterozygous fruit. What percentage will the offspring have yellow fruit?
The percentage of offspring that will have yellow fruit if a homozygous dominant (RR) fruit is crossed with a heterozygous (Rr) fruit is 0%.
What is a punnet square?A punnet square is the graphical representation used to determine the probability of an offspring expressing a particular genotype.
According to this question, in tomato plants, red fruit (R) is said to be dominant to yellow fruit (r). This means that the homozygous dominant genotype will be RR while the heterozygous fruit will have a genotype of Rr.
Hence, if a cross between RR (red) × Rr (red) occurs, the following offsprings will be produced:
RRRRRrRrBased on the above genotype of the offsprings, it can be observed that none of them have a yellow fruit phenotype, hence, the percentage will be 0%.
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How are global winds and global ocean currents related
What element is changed by lightening into a form that plants can use?
Answer:
nitrogen fixation
Explanation:
Nitrogen in the atmosphere can be transformed into a plant-usable form, a process called nitrogen fixation, by lightning. Each bolt of lightning carries electrical energy that is powerful enough to break the strong bonds of the nitrogen molecule in the atmosphere.
If pH affects enzyme activity, then...
pH: Each enzyme has an optimum pH range. Changing the pH outside of this range will slow enzyme activity. Extreme pH values can cause enzymes to denature. Enzyme concentration: Increasing enzyme concentration will speed up the reaction, as long as there is substrate available to bind to.
Answer:
7>ph<14
Explanation:
if ph is 7 then its neutral, if ph lower than 7 and higher than 0 its acidic, if it's higher than 7 and lower than 14 its basic.
The cactus has a specialized fleshy stem that is specialized to store water for long periods of time. Which plant tissue most likely makes this action possible?
apical
dermal
ground
vascular
Answer:
dermal
Explanation:
the dermal because is the most external tissue of the plant an with the thorns they can collect the water and then during the drought they can use these water
How is the body able to prevent future infections by the same virus?
A student is constructing a model to illustrate the levels of organization for life on Earth.
Which description would be the best to add to the model for level 3?
Responses
1: Population; 2: Biome;3: Ecosystem
Population refers to the number of people in a state. Biome is a large area characterised by it's vegetation, soil,climate, and wildlife. Ecosystem is a geographic area where plants, animals and other organisms exists.
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How does the tortoise get nitrogen?
The tortoise got nitrogen eating the plants.
What is nitrogen ?
There are numerous gases in our atmosphere. But did you realize which gas makes up the greatest part of the composition.Nitrogen Gas is what it is. In terms of atmospheric composition, it contains 78% nitrogen, 21% oxygen, 1% argon, and traces of carbon dioxide, krypton, and hydrogen.
Nitrous oxide, neon, helium, methane, xenon, ozone, iodine, carbon monoxide, and ammonia are also present. As the most prevalent element in the Earth's atmosphere, it is also the primary ingredient of all biological stuff.
Herbage provided more dry matter and energy to tortoises than grass. Although herbage provided more N and retained more of it than grass, amino acid compositions and actual N digestibilities were comparable between diets. Herbage had more Ca than grass, particularly in respect to P (Ca:P 14.5 vs. 1.9), although this was mitigated by the herbage's decreased absorption of Ca. K intakes from herbage were higher than from grass, and this was related to the digestive loss of Mg from herbage. The low Na concentration of both forages resulted in net Na losses.
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describe the energy transfer that occurred between the lanuch of a rocket and its continuing flight out of the atmosphere.
The energy transfer that occurred between the lanuch of a rocket and its continuing flight out of the atmosphere is that the chemical energy stored in the fuel of the rocket is transformed into heat energy.
What is energy transfer?Energy transfer is defined as the process by which a form of energy is being transformed to another form without destruction of the energy.
There are various ways by which energy can be transferred and it includes the following:
Mechanical: That is through the action of a force.Electrical: That is, through the action of an electrical current.Radiation: Through Light waves or Sound waves.Heating: That is , through conduction, convection or radiation.When a rocket is being launched, the chemical energy in its fuel would be converted to another form of energy called heat energy through the actions of mechanical and heating processes of the rocket engine.
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Speed can be determined by dividing the distance by the Displacement Time Velocity Density
The speed of a moving object can be determined by dividing the distance traveled by the time taken. The second option.
What is speed?Speed is the property of a moving body that is obtained by finding the ratio of the distance covered by the body and the time taken to cover the distance.
The speed of a moving object can be expressed mathematically as:
Speed = distance/time.
The SI unit of distance is meter while the SI unit of time is seconds. Thus, the unit of speed is meter per seconds, usually denoted as m/s. However, any other unit that is a derivative of meter per second can be used to qualify the speed of an object.
The speed of an object is a scalar quantity because it measures magnitude only. This is unlike vector quatities that has both magniture and direction.
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How do the body levels of organization demonstrate this biblical concept?
Answer:
Explanation:
Study of human structure and function from a biblical worldview is centered on God’s intricate design. We are fearfully and wonderfully made by the sovereign Designer/Creator, and this truth is evident from the molecular to the systemic levels of organization.
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