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3 years ago

Answer the following:

1 answer:

mihalych1998 [28]3 years ago

4 0

A. behavioral isolation is when the plant or animal acts a particular way to attract their counterparts, like mating rituals.

geographic isolation is the natural barrier preventing similar species from interacting. for example, Galapagos Islands are the only home of flightless cormorants because the islands are so far from any other land for them to invade.

Temporal isolation is when two of the same or similar species cannot reproduce as a result of mismatched sexual maturity.

B. the isolation of two frog species by mating call is behavioral isolation.

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Lostsunrise [7]

Answer:

Structurally, plant and animal cells are very similar because they are both eukaryotic cells. They both contain membrane-bound organelles such as the nucleus, mitochondria, endoplasmic reticulum, Golgi apparatus, lysosomes, and peroxisomes. Both also contain similar membranes, cytosol, and cytoskeletal elements.

Explanation:

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2 years ago

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What is created during the krebs cycle that is so important for the electron transport chain

dimulka [17.4K]

During the krebs cycle NADH (Nicotinamide adenine dinucleotide) and FADH (Flavin adenine dinucleotide) are made and used in the electron transport chan. Hope this helps!

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2 years ago

What is anabolism? Give an example. What is catabolism also give an example

Oksana_A [137]

Answer:

Anabolism is the synthesis of complex molecules in living organisms from simpler ones together with the storage of energy.

Examples of anabolism: bone growth and mineralization, and muscle mass build-up.

Catabolism: the breakdown of complex molecules in living organisms to form simpler ones, together with the release of energy.

Examples of Catabolism: glycolysis, the citric acid cycle, the breakdown of muscle protein in order to use amino acids as substrates for gluconeogenesis, the breakdown of fat in adipose tissue to fatty acids, and oxidative deamination of neurotransmitters by monoamine oxidase.

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3 years ago

You are given a 1 liter bacterial culture in exponential stage of growth. The generation time of the bacteria is known to be 30

nydimaria [60]

Answer:

Option-A

Explanation:

A bacteria divides by binary fission which divides a parent bacteria into the two daughter cells and generation time refers to the average time difference between two consecutive generations.

The bacterial cell grows by the exponential function that is by $2^{number of generation}$ x initial population of bacteria.

In the given question,

Initial population

the initial population of bacteria - 2x 10³ per ml

So per liter, the bacterial population will be 2 x 10 ⁶

Generation time

1 generation time of bacteria is 30 min.

so 5 hours will have-   $\frac{300}{30}$ = 10 generations

New bacterial population

Using formula $2^{number of generation}$ x initial population of bacteria

$2^{10}$ x (2 x 10⁶)

= 1048 x (2 x 10⁶)

2048 x 10⁶

Thus, Option-A is the correct answer.

4 0

2 years ago

f a plant has a mutation, and does not produce any photosynthetic pigments, what do you predict will happen to that plant

nydimaria [60]

Answer: Can not get carbohydrates and will die from the lack of energy!

Explanation: The plant will be unable to produce carbohydrates and will die quickly from the lack of energy and because green light is not absorbed by the photosynthetic pigments.

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2 years ago