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elixir [45]
3 years ago
10

How are organisms in the domain archaea different from those in the domain eukarya? A. Archaea have DNA B. Archaea have more tha

n one cell C. Archaea have no nucleus D. Archaea can reproduce sexually
Biology
1 answer:
mel-nik [20]3 years ago
6 0

Answer:

C. The Archaea have no nucleus.

Explanation:

Archaea have no organelles while Eukaryas do, in other words Archaea have DNA that is not in a nucleus.

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What affect do algae blooms have on ocean ecosystems?(1 point) increased underwater plant population decreased carbon dioxide in
Umnica [9.8K]
An algal bloom affects the whole ecosystem. Consequences range from the benign feeding of higher trophic levels, to more harmful effects like blocking sunlight from reaching other organisms, causing a depletion of oxygen levels in the water, and, depending on the organism, secreting toxins into the water.
6 0
2 years ago
Each gene in the human genome codes for a single protein. True or False?
d1i1m1o1n [39]
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7 0
3 years ago
What process must happen before this process depicted below?
gavmur [86]

Answer:

hopes it helps

Explanation:

In glycolysis, glucose molecule is converted into pyruvate molecules .

It can't be cellular respiration because it starts always with glucose i.e glycolysis. But here it is the process after glycolysis (starting from pyruvate) and changing into lactic acid. It's an aerobic respiration called as lactic acid fermentation.

8 0
3 years ago
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Although identical twins inherit exact copies of the same genes, the twins may look and act
ivolga24 [154]

Answer:

Identical twins came from the same sperm and egg, so they have the same chromosomes and genes. So identical twins with identical DNA may have different genes turned on, causing them to look and act differently, and even to develop different diseases such as cancer.

Explanation:

4 0
3 years ago
Nitrogen gas reacts with hydrogen gas to form ammonia What are reactants in this chemical reaction?
krek1111 [17]

1 mol 2 mol  

84g of N2(g) = 84/28 = 3 mol of N2(g)  

From the above reaction 1 mol of N2(g) gives 2 mol 0f NH3(g). So 3 mol of N2(g) should give 6 mol or (6x17) 102 g of NH3(g). But we are getting only 85.0 g of NH3.  

Hence %yield of NH3 = 100x85.0/102 = 83.3%  

Answer D. is correct.  

2. 2HgO (s) --------------------- 2Hg (l) + O2 (g)  

2 mol 2 mol 1 mol  

4 mol 4 mol 2 mol  

As only 1.5 mol of O2 is obtained, so % yield = 1.5x100/2 = 75.0%  

Moreover 603 g of Hg = 603/200.59 = 3.00 molof Hg. Considering this also  

% yield = 3x100/4 = 75%

6 0
3 years ago
Read 2 more answers
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