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qaws [65]
2 years ago
5

In this Landsat image of a rain forest, healthy vegetation appears red and deforested areas appear light blue. What explains the

Biology
1 answer:
lutik1710 [3]2 years ago
7 0

Answer:

Colors are assigned to different reflected bands electromegnetic waves.

Explanation:

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During the cross-bridge cycle in muscle cells, myosin motors hydrolyze ATP as fuel to create a pulling force on actin fibers. Pl
exis [7]

Answer and Explanation:

In rest, attraction strengths between myosin and actin filaments are inhibited by the tropomyosin. When the muscle fiber membrane depolarizes, the action potential caused by this depolarization enters the t-tubules depolarizing the inner portion of the muscle fiber. This activates calcium channels in the T tubules membrane and releases calcium into the sarcolemma. At this point, tropomyosin is obstructing binding sites for myosin on the thin filament. When calcium binds to the troponin C, the troponin T alters the tropomyosin by moving it and then unblocks the binding sites. Myosin heads bind to the uncovered actin-binding sites forming cross-bridges, and while doing it ATP is transformed into ADP and inorganic phosphate which is released. Myofilaments slide impulsed by chemical energy collected in myosin heads, producing a power stroke. The power stroke initiates when the myosin cross-bridge binds to actin. As they slide, ADP molecules are released. A new ATP links to myosin heads and breaks the bindings to the actin filament.  Then ATP splits into ADP and phosphate, and the energy produced is accumulated in the myosin heads, which starts a new binding cycle to actin.  Z-bands are then pulled toward each other, thus shortening the sarcomere and the I-band, and producing muscle fiber contraction.

7 0
3 years ago
To measure the population density of monarch butterflies occupying a particular park, 100 butterflies are captured, marked with
Sav [38]

Answer:

Given merely 40 butterflies were marked, assumed that there were multiple captures of both marked and unmarked butterflies, that the butterflies caught in traps were on the loose to be caught again. There are two mathematical solutions for this, both yielding the same answer which is 100. 

• First, to each marked butterfly was taken twice (40 marked X2 = 80 captured) then of the unmarked butterflies the 120 captured must relate to 60 actual butterflies. In which 40 + 60 = 100. 

• Secondly, by means of ratios in which 80/200 = 40/X. In this case X also = 100 that will result to the estimated size of the population of wilson park is 100.

Explanation:

3 0
3 years ago
How did adaptive radiation affect plants after they first moved to land
vagabundo [1.1K]

Explanation:

  • it gradually stops seed growth and sprouting depending on how much radiation is released.If there is too much evaporation due to intense radiation,the stomata closes to reserve water and if the stomata is unable to open for a long period of time the growth of the plant is stunted.
8 0
3 years ago
All matter is NOT composed of __________. protons neutrons sodium electrons
PolarNik [594]
All matter is composed of protons, neutrons, and electrons. Therefore the answer is sodium.
5 0
3 years ago
Read 2 more answers
I'LL GIVE BRAINLIEST!!!!! PLEASE HELP!!!!!
Rufina [12.5K]

Answer:

results will be more accurate if there is a larger sample size.  

No matter what research is, the larger sample size is, the more accurately will be the results and vice versa. The larger samples increase a chance of significance because they reflect the population mean more reliably.

With small sample, the chance for false conclusions is higher.

Explanation:

4 0
3 years ago
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