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nordsb [41]
3 years ago
9

1. A ____ is the smallest unit of structure and functionof a living thing.

Biology
1 answer:
DedPeter [7]3 years ago
7 0
1. A cell
2. A eukaryotic cell
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Compare and contrast properties of sister chromatids and homologous chromosomes.
lubasha [3.4K]

Answer:

Explanation:

Sister chromatids are regarded as replicated chromosomes. Sister chromatids are two identical copies of chromosomes held at the centromere that are formed as a result of replication. They are identical in the sense that they contain same alleles/gene sequence of the same genes.

Homologous chromosomes, on the other hand, are similar (in length, centromere position) but non-identical chromosomes. Homologous are non-identical in the sense that they may contain different alleles of a gene and are received from each parent. homologous chromosome contain four chromatids; two of which are sister chromatids and non-sister to the other two.

Both undergo meiosis where homologous chromosomes separate in meiosis I while sister chromatids separate in meiosis II but only sister chromatids undergo mitosis.

7 0
2 years ago
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Name the protein which fills the cells of the stratum corneum and gives the skin its strength.
yKpoI14uk [10]

Keratin is an intracellular fibrous protein that gives hair, nails, and skin their hardness, strength, and water-resistant properties. The keratinocytes in the stratum corneum are dead and regularly slough away, being replaced by cells from the deeper layers

Hope this helped!

Good luck :p

~Emmy <3

4 0
2 years ago
Which is an example of why the process of photosynthesis is important to the life
Katen [24]

Answer:

making of food which is used by both plants and animals

Explanation:

4 0
3 years ago
Species accumulation curves are used to estimate regional, or gamma, diversity.
MakcuM [25]
I believe the correct answer is true. A species accumulation curve can be used as a tool to approximate local, or alpha, diversity. The shape of this curve depends largely on the order of the samples processed. Hope this answers the question.
3 0
2 years ago
A dog's nose is____ to the dog ears? a.rostral b'.cranial c.caudal. d.distal
Vikentia [17]
A - rostral and cranial are very similar but rostral are for head structures 

HOPE I COULD HELP!!! C:
4 0
3 years ago
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