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Ierofanga [76]
2 years ago
15

What is the relation between a chromosome and dna

Biology
1 answer:
USPshnik [31]2 years ago
7 0

Chromosomes are DNA coiled tightly around proteins for structure. So chromosomes are made of DNA

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A young man is struck on the cheek by a baseball and sustains an injury in which the skin is not broken and the cheekbone is not
nirvana33 [79]

Answer:

Answer is A. Profuse bleeding.

Explanation:

The acute response can be described as an early or immediate response of the tissue to injury. It is always for a short period of time.

Acute inflammation involves some processes which are initiated in order to limit damage to tissues.

The acute inflammatory process include pain, redness, immobility, swelling and heat.

In this case, profuse bleeding is the only one that is not part of the processes.

Therefore, the young man will not experience profuse bleeding.

3 0
2 years ago
Organisms are named and classified based on physical characteristics in
Aleks [24]

Answer:

Linnaeus taxonomy

Explanation:

organisms are named and classified based on physical characteristics in linnaean taxonomy Which of the following is the most abundant group of organisms on Earth.

5 0
2 years ago
Read 2 more answers
Anyone know the answer to this biology question?
True [87]

ν=c/λ

c=300.000.000m/s=300.000.000.000.000.000nm/s

λ=532nm

v=300.000.000.000.000.000/532=5.6*10^14Hz(third option)

8 0
3 years ago
Compare and contrast the terms living and biotic
NeX [460]
Both the terms "living" and "biotic" describe an organism that holds life. However, an organisms stops "living" after it dies, but never stops being "biotic". This is because "biotic" means anything that has ever had life, whereas "living" only describes things currently alive.
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3 years ago
In the future, phylogenetic studies should be conducted to ________. In the future, phylogenetic studies should be conducted to
Artist 52 [7]

Answer:

a. resolve the branching patterns (evolutionary history) of the Lophotrochozoa

b. (the same, it is repeated)

Explanation:

Nemertios (ribbon worms) and foronids (horseshoe worms) are closely related groups of lofotrocozoa. Lofotrocozoans, or simply trocozoans (= tribomastic celomados with trocophoric larva) are a group of animals that includes annelids, molluscs, endoprocts, brachiopods and other invertebrates. They represent a crucial superphylum for our understanding of the evolution of bilateral symmetry animals. However, given the inconsistency between molecular and morphological data for these groups, their origins were not entirely clear. In the work linked above, the first records of genomes of the Nemertine worm Notospermus geniculatus and the foronid Phoronis australis are presented, along with transcriptomes along the adult bodies. Our phylogenetic analyzes based on the genome place Nemertinos as the sister group of the taxon that contains Phoronidea and Brachiopoda. It is shown that lofotrocozoans share many families of genes with deuterotomes, suggesting that these two groups retain a common genetic repertoire of bilaterals that do not possess ecdisozoans (arthropods, nematodes) or platizoos (platelets, sydermats). Comparative transcriptomics demonstrates that foronid and brachiopod lofophores are similar not only morphologically, but also at the molecular level. Although the lofophore and vertebrates show very different cephalic structures, the lofophorees express the vertebrate head genes and neuronal marker genes. This finding suggests a common origin of the bilaterial pattern of the head, although different types of head will evolve independently in each lineage. In addition, we recorded innate immunity expansions of lineage-specific and toxin-related genes in both lofotrocozoa and deuterostomes. Together, this study reveals a dual nature of lofotrocozoans, in which the conserved and specific characteristics of the lineage shape their evolution.

8 0
3 years ago
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