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max2010maxim [7]
3 years ago
14

Help time test i need to finish soon.

Biology
1 answer:
Sophie [7]3 years ago
7 0

Answer:

b and c

Explanation:

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Why are the processes of diffusion and osmosis important for human survival?
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Creative Biolabs can provide various custom BsAbs in the format of CrossMab.

https://www.creative-biolabs.com/bsab/category/crossmab-31.htm

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3 years ago
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Structural proteins that typically assemble into large cables or threads, to provide mechanical support to cells or organisms ar
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Answer:

Fibrous

Explanation:

Proteins are assembled according to their functions. Fibrous proteins usually provide protection and support to cells. They are made up of polypeptides that have elongated shape and assembles in large cables or threads. These proteins are differentiated from globular proteins by their globular form and repeated units of amino acids.

For example the fibrous proteins involved in horns, hair and nails is alpha-keratin.  Elastin found in skin and ligament is also a fibrous protein. Collagen includes collagen fibrils that have tensile strength of steel is also a fibrous protein found in cartilages and bones.

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3 years ago
Fungi cannot make their own food through photosynthesis. How do they take in nutrients ? A.Absorbing sunlight B.producing spores
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Answer:

Fungi take in nutrients by C. absorbing nutrients. They suck up nutrients from decomposing matter.

6 0
4 years ago
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Wild diploid wheat has seven chromosomes in its pollen. Discuss the major events that had to occur for tetraploid pasta wheat to
lianna [129]

Answer:

Tetraploid wheat evolved by allopolyploidization and subsequent diploid-like behavior due to cytological diploidization

Explanation:

Durum wheat (<em>Triticum durum</em>) or pasta wheat, is a tetraploid wheat species that has 28 chromosomes, i.e., seven pairs in each genome (2n = 4x = 28). Durum wheat was domesticated from wild emmer wheat, which originated by hybridization of two diploid wheat species with 14 chromosomes: <em>Triticum monococcum</em> (genome AA) and one wild progenitor (genome BB). <em>Triticum durum </em>is a typical example of evolution by hybridization and polyploidization, where the resultant tetraploid species has two complete sets of chromosomes. Allopolyploidization is one of the most common types of plant speciation. During meiosis, 28 chromosomes form 14 homologous chromosome pairs, because homologous chromosomes have developed 'restriction of pairing' (i.e., cytological diploidization). The restriction of pairing to fully homologous chromosomes ensures a correct meiotic behavior, which otherwise would be altered due to the high level of homology that still exists among chromosomes from different wheat progenitors.

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3 years ago
Why were slaves important to the colonial economy? Hint: discuss economic interdependence found in the lesson Answer:
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There are many reasons to why slaves were essential in the colonial economy:

Slaves were generally used more in the south, because large plantations were found there, which meant that the need for large amounts of workers.

Slaves provided cheap labors, and as they were not "citizens" of the US, they were not allowed their rights.

Slaves were also relatively easy to buy and replace, however, their survival rates were not that good after they traveled long distance.

etc.

hope this helps

7 0
4 years ago
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