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laiz [17]
3 years ago
13

Observe: Switch to the Protist sample. Protists are unicellular organisms common in ponds On the MICROSCOPE tab, select the 100x

radio button and focus the image.
Watch the motion of the protists at 100X and 400X. What structures allow each protist to move?
I REALLY NEED HELPP

Biology
2 answers:
kotegsom [21]3 years ago
4 0

Answer:

what is the question it too much

Explanation:

Romashka [77]3 years ago
4 0
Amoeba: pseudopodia
Euglena: flagellum
Paramecium:
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Which is true of prokaryotic and eukaryotic cells?
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Explanation:

the answer to this question is prokaryotic cells lack memebrane bound organelles and eukaryotic cells contain membrane bound organelles

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2 years ago
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Part 1: explain the similarities and differences between mitosis and meiosis and give an example that occurs in the world around
KatRina [158]

PART 1:

There are two types of cell division in eukaryotic cells:

* mitosis, which ensures the birth of cells identical to the mother cell during asexual reproduction. It gives diplide cells (2n). It takes place in one division.  It can be done by somatic cells.

* meiosis, a characteristic of male and female reproductive cells, which results in the production of sexual cells or gametes (haploid cell (n)) for reproduction. It takes place in two succesive divisions.

For points in common, both are preceded by the replication of DNA. They have the same divisional steps, and both involve eukaryotic cells.

PART 2:

The stages of division (for mitosis and meiosis) are:

Prophase: It is during this phase that the DNA condenses in the form of chromosomes.

Metaphase: It is then that the collection of condensed chromosomes at the equator of the cell occurs to form the equatorial plate.

Anaphase: During this very fast phase, the sister chromatids separate and migrate to the opposite poles of the cell.

Telophase: This is the last phase of mitosis, the chromatids are now at the two opposite poles of the cell and it begins to split in two.

For meiosis there is a second division, so we speak of prophase II, metaphase II, anaphase II and telophase II.

6 0
3 years ago
Two methods of testing that would be more accurate than litmus paper
Kay [80]

Answer:

pH meter and pH paper.

Explanation:

There are a few other ways that are commonly used, including titration, but most are tedious and require detailed hands-on work. A pH meter is normally assisted by the use of a computer or a digital user interface. The use of pH paper can be likened to the use of a Galileo thermometer.

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2 years ago
If the initiating codon of a mRNA became mutated, what would the effect be on the transcript?
faltersainse [42]

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Translation will not occur.

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Therefore if the starts codon becomes mutated than the tRNA would not able to recognize the initiation codon and no methionine would be added as the first amino acid so the translation process might not start and no protein forms. Then the ribosome scans further for the next start codon to start translation.

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How does genetic engineering interfere with natural selection?
guajiro [1.7K]
Idk come back later so i can give you that answer
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