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Katena32 [7]
3 years ago
8

What structure is found in some but not all plant cells

Biology
1 answer:
WARRIOR [948]3 years ago
3 0
Most organelles are common to both animal and plant cells. However, plant cells also have features that animal cells do not have: a cell wall, a large central vacuole, and plastids such as chloroplasts.
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Describe the process of dna replication using following terms (helicase, DNA polymerase, ligase, RNA Primase, Semiconservative r
diamong [38]
<span>DNA replication is the production of identical DNA helices from a single double-stranded DNA molecule. Each molecule consists of a strand from the original molecule and a newly formed strand. Prior to replication, the DNA uncoils and strands separate. A replication fork is formed which serves as a template for replication. Primers bind to the DNA and DNA polymerases add new nucleotide sequences in the 5′ to 3′ direction. This addition is continuous in the leading strand and fragmented in the lagging strand. Once elongation of the DNA strands is complete, the strands are checked for errors, repairs are made and telomere sequences are added to the ends of the DNA.</span>
4 0
3 years ago
A teacher says she has identified an organism with these characteristics: eukaryotic, multicellular, autotrophic, and a cell wal
DiKsa [7]
Let's break down each of the words to find out what they mean.
Eukaryotic: This basically means that the organism in question has a nucleus and other membrane-bound organelles. This rules out bacteria and archaea.
Multicellular: The organism must be made up of one or more cells, so that rules out protists.   
Autotrophic: This means that the organism can make energy from inorganic substances via a light source or chemical energy. Finally, this rules out animals and fungi.
Cell wall: This also proves that the organism is a plant. Plants are the only organisms that have a cell wall made of cellulose; fungi have one, but they are made of chitin and glucans.

So, your answer is that the kingdom of the organism of a plant. 
4 0
3 years ago
Read 2 more answers
How many times does your heart beat during your lifetime? round the answer to the nearest power of 10 and then express your answ
Firdavs [7]
North component: y = 15.0 m * sin 55.0º = 12.3 m West component: x = 15.0 m * cos 55.0º + 7.00 m = 15.6 m 
so his heading, measured from West, is Θ = arctan(y/x) = arctan0.787 = 38.2º N of West 
and measured from North is φ = arctan(x/y) = arctan(1.27) = 51.8º W of North 
Hope this helps!
7 0
3 years ago
Which of the following is not true about the evolution of biomes?
vovangra [49]
<span>Assuming that this is referring to the same list of options that was posted before with this question, <span>the correct response would be the one having to do with the idea that one specific entity within the biome is responsible for its evolution, since all entities "work together" to create a specific biome. </span></span>
4 0
4 years ago
Read 2 more answers
The gametophyte is green and nutritionally independent in
aev [14]

Answer:

The gametophyte is green and nutritionally independent in mosses, liverworts, and fern.

Explanation:

The gametophyte is the sexual stage of growth in plants and algae.

During this stage, there is production of reproductive organs which produce sex cells.

During this stage, the gametophyte is independent since it relies fully on itself for food production.

The presence of chlorophyll enables this independence.

The gametophyte produces its own food through photosynthesis.

6 0
4 years ago
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