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boyakko [2]
3 years ago
7

Please help with this biology thing

Biology
1 answer:
Keith_Richards [23]3 years ago
8 0

Leeuwenhoek - Advanced microscope

Schleiden - Plants made of cells

Schwann - Animals made of cells

Virchow - New cells from old cells

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What are two types of genetic mutations
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The types of mutations include: Missense mutation. This type of mutation is a change in one DNA<span> base pair that results in the </span>substitution<span> of one </span>amino<span> acid for another in the protein made by a gene; </span>Nonsense mutation.
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Which characteristic distinguishes fungal cells from plant cells
sertanlavr [38]

Answer: Feeding behaviors, trophic levels, cell wall composition, and their organelles distinguish fungi from plants.

Explanation:

While plants and fungi are both eukaryotes, they differ in terms of feeding behaviors, trophic levels, cell wall composition, and their organelles.

  • Cell walls: both are non-chain polysaccharides (sugars) that function as structural support; yet fungal cell walls are composed of chitin while plant cell walls are made up of cellulose

  • Feeding: fungi secrete compounds that digest their food sources before they can take in nutrients and they store food as <em>glycogen; </em>while plants do not require a means of pre-digesting food and store their food as <em>starch.</em>

  • Organelles: plant cells contain <em>chloroplasts</em>, small green structures with chlorophyll that causes their characteristic coloration. Unlike plants, fungi do not photosynthesize to make their own food or contain chloroplasts.

  • Trophic level: are strictly <em>heterotrophs or decomposers, </em>depending on other organisms for survival. Their chloroplasts enable them to carry out photosynthesis, thus they are <em>autotrophs or producers. </em>

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3 years ago
The beginning of the Cretaceous period is marked by the emergence of dinosaurs in the fossil record.
Dmitry_Shevchenko [17]
I think the answer is true
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Question 6 (2 points) Which is an example of artificial selection? a b Big Horn sheep fighting to defend females, who mostly bre
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the one with the race horse. brainliest?

Explanation:

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2 years ago
Based on molecular clocks, Goodman's phylogeny places the last common ancestor of all primates at ______________________.
VashaNatasha [74]

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63 MYA

Explanation:

Morris Goodman was a editor-in-chief of the journal Molecular Phylogenetics and Evolution.

In his classification, every organism was traced back to its last common ancestors, and he traced that of primates last common ancestors to be dated as far back as 63 MYA.

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3 years ago
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