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liraira [26]
4 years ago
14

"what is the difference between organisms described as plankton, nekton, and benthos?"

Biology
1 answer:
kari74 [83]4 years ago
4 0
Plankton are small aquatic organisms that cannot move on their own. They live in the photic zone. They include phytoplankton and and zooplankton 

Nekton are aquatic animals that can move on their own by swimming through the water. The can live the photic or aphotic zone and feed on plankton or other nekton. Some examples are fish or shrimp

Benthos are aquatic organisms that crawl in sediments in the benthic zone. The benthic zone is the deepest part of a body of water. Most of the organisms that life here include sponges, clams, and anglerfish
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Place the following events in the correct order as they occur on the lagging strand:1. Helix unwinding2. DNA polymerase III buil
Murrr4er [49]

Answer:

1, 5, 2, 3, 4

Explanation:

There are several enzymes involved in DNA replication and the step by step process of replication along with enzymes involved is as follows  

a) Helicase is the first enzyme to act and it has a very important role in replication. Helicase unwinds the double helix of DNA

b) Single strands binding proteins  prevent reattachment of  DNA helix

c) Topoisomerase is responsible for relieving or inducing supercoils

d) The primase then lay the starting blocks made from RNA

e) DNA polymerase enzyme III lay the DNA from 5 prime to 3 prime.  

f) DNA polymerase enzyme I then do half ladder replication

g)   DNA Ligase links all the fragments.  

Hence, the correct sequence is 1, 5, 2, 3, 4

8 0
3 years ago
Once the cell has gone through interphase, it is ready for division. What is this process called?
aalyn [17]

Answer:

S phase

Explanation:

During the interphase which is also called the S phase, the cell duplicates its chromosomes and ensures its systems are ready for cell division. If all conditions are ideal, the cell is now ready to move into the first phase of mitosis.

5 0
2 years ago
1.Are spindle fibers present during telophase 1?
mina [271]

Answer:

During telophase nuclear membrane is formed, nucleolus appears and astral rays disappear.

During telophase, the effects of prophase and prometaphase - the nuclear membrane and nucleolus disintegrating are reversed. Two daughter nuclei form in each daughter cell, and phosphatases dephosphorylate the nuclear lamins at the ends of the cell, forming nuclear envelopes around each nucleus.

6 0
3 years ago
How could the action force of a canoe moving through water be increased?
oksano4ka [1.4K]
By a rowing and pushing against the water because by pushing the paddle against the water it moves the water back so you can go forward
5 0
3 years ago
The main active components of bleach and many other household cleaners are
bulgar [2K]

The main active components of bleach and many other household cleaners are salts. Salts are produced by mixing of acid and bases along with water. There are three different types of salts such as acidic salt, basic salts, and neutral salts.

The different products of salts are used in daily household detergents. The common salt products are bleaching powder, caustic soda, washing soda. Caustic soda is present in detergents, soaps, chlorine is present in bleaching powder. Washing soda is used in soaps.

4 0
4 years ago
Read 2 more answers
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