Answer:
1. counterclockwise
2. wind
3. stationary
4. density
5. weather balloons
6. A weather balloon is filled with either helium or hydrogen. Attached to the balloon is a collection of instruments called a radiosonde. The balloon is released and carries the radiosonde high into the atmosphere. There, the radiosonde gathers and transmits data. Eventually, the balloon pops. A small parachute carries the radiosonde back to Earth, so it can be reused.
7. Weather satellites use images taken from satellites, by which meteorologists can identify storms, precipitation, cloud cover, and even cloud altitude. Weather satellites are helpful when it comes to tracking atmospheric conditions in remote locations. However, weather radar devices, such as Doppler radar, transmit radio waves that bounce off the surface of objects. A receiver then picks up these reflected radio waves. Then, the radar device's display generates a picture of the object. Overall, weather radar devices are effective at predicting precipitation.
<span>Antibiotics need to be used with caution because of evolution. If you treat bacteria with an antibiotic, some will be resistant by sheer chance. Those ones will survive and go on to divide - producing more antibiotic resistant bacteria. With medical antibiotics, they must be taken for the entire course. Even after symptoms have passed, bacteria remain in the body. If a patient stops taking antibiotics too early, the survivors can keep dividing and cause a new antibiotic resistant infection. With the normal course of medication, antibiotics kill off enough bacteria and keep them at bay long enough for the immune system to finish the job and take care of any resistant stragglers.
The real danger, though, comes from antibiotic use in livestock. It's more cost effective to feed cattle with a constant supply of antibiotics, whether they're sick or not (as opposed to just treating them when they're sick). These antibiotics keep them from getting sick, but it means that eventually bacteria adapt to them and gain resistant. To make matters worse, the antibiotics are often passed from their bodies in their waste, which can go on to contaminate waterways. This can disrupt ecosystems and produce antibiotic-resistant bacteria in the wild. This type of usage is of much more concern because of its scale - there are far more cows on antibiotics than people</span>
Amino acid sequences can be defined by a percentage of identity. This percentage indicates the number of identical residues between proteins or nucleic acids of a given alignment.
- In this case, 240 aminoacids is the total length of the protein alignment (i.e. the alignment between FP1 and FP2 proteins)
- In consequence, in this case, the percentage of identity is 99.58% because dissimilarity is equal to 1/240= 0.0041667%, thereby percentage of identity is equal to 100 - 0.0041667 = 0.995833%.
- Nucleic acid (either DNA or RNA) sequences and amino acid sequences can be defined by the percentage of identity.
- The percentage of identity can be used to discover proteins or protein regions (i.e., domains, linear motifs, etc) which exhibit homology, i.e., proteins/protein regions that are similar due to a common evolutionary origin.
In conclusion, the percentage of identity is determined by the number of identical nucleotides (DNA and RNA) or amino acid residues (proteins) over the total of nucleotides/amino acids in the local alignment.
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Answer:
B
Explanation:
Identify the letter of the choice that best completes the statement or answers the question. When determining the number of significant digits in a measurement. When determining the number of significant digits in a measurement,
a. all zeros are significant.
b. all nonzero digits are significant.
c. all zeros between two nonzero digits are not significant.
d. all nonzero digits are not significant.
According to the rule of significant figures;
- <em>all nonzero digits in a number are significant. For example, 161.45 has 5 significant digits. </em>
- <em>all zeros after nonzero digits without decimal points are not significant. For example, 12300 has 3 significant digits.</em>
- <em>all zeros located between nonzero digits are significant. For example, 2002 has 4 significant digits.</em>
- <em>leading zeros in a digit are not significant. For example, 00123 and 0.0123 have 3 significant digits each. </em>
Hence, the correct option is B.
Answer:
vacuoles – transport
cell wall – protect
nucleus – control
Explanation:
Vacuole is a small sac containing fluid and helps in the transport of substances within and outside the cell
Cell wall is external to the cell membrane and serves a structural function helping the cell maintain its shape and PROTECTING the cell from damage.
Nucleus is an organelle found in cells of plants and animals. It contains genetic information in DNA or RNA, and CONTROLS the entire life process
Note that mitochondria helps to provide ENERGY to build up substances in the cell NOT DECOMPOSE