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emmainna [20.7K]
3 years ago
14

NEED IMMEDIATE HELP!! WILL GIVE BRAINLIEST!!!

Biology
1 answer:
KonstantinChe [14]3 years ago
6 0

Answer: Pacific northwest intertidal zone experiences the highest complexity and diversity of marine life.

Explanation:

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E. Coli living in the colon of a human is an example of a _________ relationship.
Kryger [21]

Answer:

mutualism

Explanation:

It's a symbiotic relationship beneficial to both symbionts.

in this case E. Coli helps with the absorption of Vitamin K and other important vitamins for the human body in the colon. While, Human (host) provides shelter for it

5 0
3 years ago
How many grams of the compound in the figure above are required to make 1 liter of a 0.5 M solution? (Note: The atomic masses, i
Dafna1 [17]

Answer:

This question is incomplete as there is no figure in the question but the compound in the figure is Ethanoic acid (CH3COOH). Hence, we can calculate the mass.

The answer is: 30grams

Explanation:

According to the question, the volume of the compound (CH3COOH) is 1litre while the molar concentration is 0.5M

Molarity or Molar concentration is calculated using the formula:

M= n/V

Where; M= Molarity (M) = 0.5M

n= number of moles (mol)

V= Volume (V) = 1L

Hence, number of moles (n) = M × V

n = 0.5 × 1

n = 0.5 moles.

To calculate the mass in grams of CH3COOH, we say;

Number of moles (n) × molar mass (MM)

Since atomic mass for (C= 12, H= 1 and O=16)

Molar mass of CH3COOH:

= 12 + 1(3) + 12 + 16 + 16 + 1

Molar mass of CH3COOH = 60g/mol

Mass (in grams) of CH3COOH = 0.5 moles × 60g/mol

Mass = 30grams.

Therefore, 30grams of CH3COOH compound are required to make 1 liter of a 0.5 M solution.

6 0
3 years ago
How does Mycobacterium tuberculosis replicate?
morpeh [17]

Answer:

mycobacterium tuberculosis that has to complete successive cycle of transmission,infection and disease

5 0
3 years ago
Which questions below could appear in a dichotomous key for fish? Check all that apply.
jarptica [38.1K]

Answer:

Does the specimen have spots on its body?

Does the specimen have more than three gills?

Does the specimen often eat shrimp instead of other fish?

Explanation:

those are the answeres exept the last one

6 0
3 years ago
During the process of dna replication, the strand provides a blueprint for the production of a new complementary strand, resulti
KatRina [158]

The two DNA strands unwind from one another during semi-conservative replication, and each serves as a template for the synthesis of a new, complementary strand. Two DNA molecules are produced as a result, each with one original and one new strand.

The act of duplication is referred to as replication. DNA replication is the first step in inheritance in molecular biology. The central dogma explains how the DNA replicates itself, codes for the RNA during transcription, and then codes for the proteins during translation.

On several sources of replication along the DNA template strand, DNA replication takes place (antinsense strand). One original strand and one freshly synthesized strand are included in every copy. Although it should be guaranteed that both copies are identical, Each strand of the double helix would act as a template for the manufacture of a new strand, according to the structure of DNA (which was discovered by James D. Watson and Francis Crick in 1953). The process by which freshly created strands united with template strands to create two double helix DNA molecules was unknown.

Click here to learn more about replication.

brainly.com/question/16464230

#SPJ4

3 0
1 year ago
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