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cestrela7 [59]
3 years ago
8

Which domains contain organisms that lack a membrane-bound nucleus?a. Archaea & Bacteria b. Archaea & Eukaryac. Bacteria

& Eukaryad. Eukarya & Animaliae. Archaea & Animalia
Biology
1 answer:
Viktor [21]3 years ago
8 0

Answer:

Archaea and Bacteria lack a membrane-bound nucleus.

Explanation:

Archaea, bacteria lack a membrane-bound nucleus. Meaning, they are both prokaryotes. Eukaryotes and Animalia are the opposite. They have membrane-bound nuclei.

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When the environment changes more quickly than a species can adapt the species may become?
Vaselesa [24]

Answer:

B

if the environment changes faster than the species then that would rule out all the other answers

7 0
2 years ago
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What would happen if the hormone levels did not have their peak just before
Vinvika [58]
B. Ovulation would not happen
7 0
3 years ago
We are studying 3 strains of bacteria, with populations p1, p2, p3, in an environment with three food sources, A, B, C. In a day
Nastasia [14]

Answer:

The population of each bacteria in 1, 2, 3 are 12, 8, and 7 respectively.

Explanation:

From the given information:

For  food source A; we have:

3P₁ + P₂ + 2P₃ = 58    units of food A ---- (1)

For food source B; we have:

2P₁ + 4P₂ + 2P₃ = 70   units of food B  ---- (2)

For food source C; we have:

P₁ + P₂  = 20   units of food C    ----- (3)

From equation (1) and (2); we have:

3P₁ + P₂ + 2P₃ = 58

2P₁ + 4P₂ + 2P₃ = 70

By elimination method

 3P₁ + P₂ + 2P₃ = 58

-

 2P₁ + 4P₂ + 2P₃ = 70

<u>                                       </u>

<u> P₁  -   3P₂   + 0    = - 12    </u>

P₁ = -12 + 3P₂   ---- (4)

Replace, the value of P₁  in (4) into equation (3)

P₁ + P₂  = 20

-12 + 3P₂ + P₂  = 20

4P₂ = 20 + 12

4P₂ = 32

P₂ = 32/4

P₂ = 8

From equation (3) again;

P₁ + P₂  = 20

P₁ + 8 = 20

P₁  = 20 - 8

P₁  = 12

To find P₃;  replace the value of P₁ and P₂ into (1)

3P₁ + P₂ + 2P₃ = 58

3(12) + 8 + 2P₃ = 58

36 + 8 + 2P₃ = 58

2P₃ = 58 - 36 -8

2P₃ = 14

P₃ = 14/2

P₃ =  7

Thus, the population of each bacteria in 1, 2, 3 are 12, 8, and 7 respectively.

4 0
3 years ago
True or False: One way that we show chronological order and the relationship of events to each other is through timelines.
Firdavs [7]
Sounds TRUE to me chief
7 0
3 years ago
How does a prokaryotic cell such as bacteria differ from eukaryotic cells?​
LenKa [72]

Answer:

The main difference is that EUKARYOTIC cells <em><u>have</u></em> a nucleus while a PROKARYOTIC cell <em><u>does not</u></em>. Instead, prokaryotes have free floating genetic material.

Explanation:

To help you remember this distinction:

EU = YES eukaryotes <em><u>HAVE</u></em> a nucleus.

PRO = NO prokaryotes <em><u>DO NOT</u></em> have a nucleus.

I hope this helps and good luck with your assignment.

3 0
3 years ago
Read 2 more answers
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