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Tems11 [23]
2 years ago
10

2 points

Biology
2 answers:
gizmo_the_mogwai [7]2 years ago
7 0

Answer:c- essential elements would not be available to plants

Explanation: decomposes help recycle matter back into the ecosystem they are a essential part in the ecosystem

Minchanka [31]2 years ago
4 0

Answer:

If decomposers are removed from ecosystem,there would be no organic nutrients and all the dead plants would destroy the animals habitat. The ecosystem will be fill by plants and animal wastes as there will be no decomposition of waste material.

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Describe how the functional units for beta carotene, xanthophyll, chlorophyll a, and chlorophyll b are different. be sure to ide
leonid [27]

The pigments have a similar structure of 40 carbon atoms covalently bonded in a chain. Carotenoids contain oxygen atoms in their chemical structure (retinyl functional group) while xanthophyll does not. This makes carotenoids more non-polar compared to xanthophylls, hence move farthest in chromatography paper using a nonpolar mobile phase. Chlorophyll pigment, on the other hand, has chlorin rings (which are larger) as functional units hence move slowly in chromatography.

Photosynthetic rates can be measured by either the amount of oxygen they consume per particular time period or the amount of carbon dioxide produced per particular time period. This is conducted while immersed in water so as to measure bubble rate formation in case of oxygen production or the change in water pH in the case of carbon dioxide consumption.

When autumn approaches, the amount sunlight received by the plant is reduced due to longer night than days. Deciduous trees have adapted by losing chlorophyll a and b pigments (most important in photosynthesis) during this time. This leaves a higher amount of the other red and yellow pigments hence making the leaves change from green to yellow-red.

It is believed that this is the result of an ancient endosymbiotic relationship between a protist and a eukaryotic cell. The protist generates energy that the eukaryotic can utilize in its growth and reproduction while the protist is sheltered. This relationship became obligatory symbiosis over time.






8 0
3 years ago
True or false particles such as sand move in flowing water by
MrRissso [65]
The answer to this one is true

3 0
3 years ago
What are the steps of DNA Replication in order?
slega [8]

Explanation:

1) The enzyme helicase catalyses the unwinding of the two DNA strands by disrupting the hydrogen bonds between complementary base pairs.

2) Single-stranded binding proteins attach to the DNA strands to stabilise them and prevent them from joining back together.

3) The enzyme primase catalyses the addition of a short primer consisting of RNA nulceotides to the DNA strand. This serves as an 'anchor' DNA polymerase to initiate replication.

4) The enzyme DNA polymerase synthesizes a new DNA strand by incorporating DNA nucleotides complementary to the existing strand. DNA polymerase activity only occurs in the 5' ---> 3' direction.

5) The enzyme ligase catalyses the formation of hydrogen bonds between the two new pairs of DNA strands, and seals any breakages in the sugar-phosphate backbone.

6 0
3 years ago
Based on the Punnett square above, what is the probability that an offspring from this cross will have a completely heterozygous
eduard

Answer:

A) 50%

Explanation:

Boxes 2 and 3 are heterozygous because solving the punnet square results in those boxes being Tt

6 0
2 years ago
BSE or mad cow disease is easily cured once it is diagnosed.<br> True<br> False
bezimeni [28]
I’m pretty sure it’s false
5 0
3 years ago
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