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aleksandr82
4 months ago
13

If you were shipping green bananas to a supermarket thousands of miles away, which of the following chemicals would you want to

eliminate from the plants' environment? a) cytokinins b) CO2 c) auxin d) ethylene.
Biology
1 answer:
-BARSIC- [2.5K]4 months ago
3 0

Answer:

Ethylene. (Ans. D)

Explanation:

Ethylene controls the aging and ripening processes in plants. While many fruits and vegetables generate small amounts of ethylene, climacteric fruits like bananas produce larger quantities. This ethylene release accelerates respiration, triggers more ethylene production, and causes changes in color and flavor.

Therefore, when transporting green bananas over long distances to stores, the ethylene gas should be removed from their surrounding environment.

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which statements correctly identify characteristics of Earth and Jupiter? Check all that apply. Earth is an inner planet. Earth
Tresset [2298]

Answer:

Earth qualifies as an inner planet.

Earth has a greater density compared to Jupiter.

Jupiter is predominantly gaseous.

Just completed the test!

5 0
3 months ago
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When the antibiotic valinomycin is added to actively respiring mitochondria, several things happen: the yield of ATP decreases,
vlada-n [2515]

Response:

The question is lacking certain details, and I have included the complete question in the request for further information section. Since this inquiry pertains to outlining a process, I have outlined steps for enhanced comprehension.

Clarification:

INITIAL STEP 1

Adding valinomycin

STEP 2

Valinomycin binds with K+ ion

STEP 3

The electrical potential across the mitochondrial membrane diminishes

STEP 4

ATP hydrolysis rate escalates

STEP 5

ATP synthesis rate declines

STEP 6

The pH difference across the mitochondrial membrane surges

STEP 7

The electrical potential across the mitochondrial membrane lessens

STEP 8

The valinomycin-K+ complex can now move into the mitochondrial matrix

STEP 9

The valinomycin-K complex transfers K+ ion out of the mitochondrial matrix

STEP 10

Electron transfer and O2 consumption rates increase

FINAL STEP

Generation of heat

5 0
3 months ago
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The Lotka-Volterra model produces consistently identical cycles because it is deterministic. The lynx and hare simulation on the
-BARSIC- [2551]

Answer:

B. Random and unforeseen occurrences take place in the real world, causing the Lotka-Volterra parameters to change with time.

Explanation:

Lotka-Volterra equations are mathematical representations that illustrate the interactions between predator and prey species, based on these assumptions:

  • The ecosystem is closed, with no migration events.
  • All individuals are considered reproductively similar.
  • In the absence of predators, prey populations exhibit exponential growth, thriving in optimal conditions.
  • If predators are absent, their population declines exponentially, limited by prey availability in an ideal environment.
  • The rate of predation correlates with the frequency of encounters, which is density-dependent.
  • Predators influence prey populations, leading to a decrease proportional to both predator and prey numbers.
  • Conversely, prey population also affects predator numbers based on encounter ratios.

In these equations, variable D denotes predator count, while P represents prey count.

The constants remain unchanged:

  • r1: prey growth rate.
  • a1: predator hunting efficiency.
  • r2: predator growth rate.
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In nature, various factors influence interactions, including density-dependent and density-independent factors. Additionally, real-world situations are affected by stochastic elements. Stochasticity represents the variations in the system caused by elements that impact population growth. This variability may correlate with prosperous and challenging years.

During a real scenario, the full adherence to the assumptions is unlikely. The previously mentioned constants can fluctuate, leading to changing interactions between predator and prey populations. Different variations lead to different experiences for both species.

6 0
4 months ago
Nonrandom mating tends to _______ the frequencies of ______ genotypes. increase; homozygous decrease; homozygous increase; heter
-BARSIC- [2551]
<span>The result hinges on the type of non-random mating involved. In the case of positive assortative mating, it typically raises the frequencies of homozygous genotypes, as it occurs when individuals pair with similar individuals. Conversely, if the non-random mating is negative assortative, the outcome mirrors that of positive assortative mating, resulting in a decrease in the frequencies of homozygous genotypes.</span>
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3 months ago
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