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motikmotik
3 years ago
12

Q4.4. Which statement below about nucleotides is TRUE?

Biology
1 answer:
fomenos3 years ago
6 0

Answer:

Base pairing occurs via hydrogen bonds between bases in complementary strands of DNA.

Explanation:

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3. What sedimentary rock is made up of pieces
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Answer:

6. Because of how old the rocks are

Explanation:

6. Sedimentary rock forms in layers because of the order they were formed. The older rocks will form first and as time goes on, rock forms above it to create a new layer, and  so on.

3 0
2 years ago
The first nine weeks of development about 11 week total a developing human is referred to as an embryo from nine weeks until tim
LiRa [457]

Answer:

fetus

Explanation:

During the gestational period the developing human is referred to as fetus.

8 0
3 years ago
Which type of microscope has the lowest magnification power
fomenos
A dissection microscope<span> is light illuminated. The image that appears is three </span>dimensional<span>. It is used for dissection to get a better look at the larger specimen. You cannot see individual cells because it has a low magnification. Or just call it a dissecting microscope</span>
6 0
3 years ago
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What are the differences in their hard parts, distribution, reproduction among phytoplankton of cyanobacteria, diatom, coccolith
Margarita [4]

Answer:

Explanation:

DIFFERENCES BETWEEN HARD BODY PARTS.

•Cyanobacteria have calcified sheaths.

• Diatoms have hard but porous cell wall.

• Coccolithophores have hard body parts.

• Silicoflagellates skeleton is composed of opaline silica.

• Dinoflagellates do not have hard body parts

• Green algae - no hard body parts.

• Brown algae - no hard body parts.

DIFFERENCES BETWEEN DISTRIBUTION

• Cyanobacteria are found almost in every terrestrial habitat on planet.

• Diatoms are found in oceans, freshwater, soil and damp.

• Coccolithophores are exclusively marine.

• Silicoflagellates are found in marine environment.

• Dinoflagellates are both freshwater and marine.

• Green algae grow on objects that do not move such as substrate, rock.

• Brown algae - wide distribution from tropical to polar zones.

DIFFERENCES BETWEEN REPRODUCTION.

• Cyanobacteria - asexually by binary or multiple fission, fragmentation, spore formation.

• Diatom - asexually by cell division through mitosis.

• Coccolithophores - asexually by binary fission.

• Silicoflagellates - asexually

• Dinoflagellates - asexually

• Green algae - sexually or asexually by cell division, fragmentation, spore formation.

• Brown algae - sexually and asexually.

5 0
2 years ago
Is small or large pieces of plastic worse for the environment
damaskus [11]
A larger piece of plastic waist is worse
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2 years ago
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