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Angelina_Jolie [31]
2 years ago
5

In a strand of dna, if the percentage of adenine is 30%, what would the percentage of guanine in the same strand be?.

Biology
1 answer:
aksik [14]2 years ago
3 0

Answer:

Explanation:

adenine and thymine compose 70% of that segment. So 30% of the section is composed of guanine-cytosine pairs. Because these two things will be equal , 15% of the DNA section will be cytosine bases.

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Determine the proportion of offspring phenotypes that would result when two merle dogs mate, if both dogs are heterozygous (Ll)
Brut [27]

Answer:

75% would have the dominant traits for coat length, 25% would have recessive trait for coat length.

Explanation:

After completing a punnet square, we could find that our genotypes are 25% LL, 50% Ll, and 25% ll.

If these genotypes were to be physically expressed, LL and Ll would both be expressed as showing the dominant trait.

This means that 75% would have the dominant traits for coat length and 25% would have recessive trait for coat length.

I hope this was helpful! Let me know if you need any clarity.

6 0
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
Select the appropriate statement about healing wounds.
Diano4ka-milaya [45]
The most appropriate statement about healing wounds from the choices given is "cell growth increases both toward the beginning and the end of the healing process." The correct answer is A. 
8 0
3 years ago
Read 2 more answers
Plot blood pressure against time for one cardiac cycle in humans, drawing separate lines for the pressure in the aorta, the left
galben [10]

The expansion of the aorta causes a rise in blood volume and blood pressure.

<h3>What is the cardiac cycle?</h3>

Heartbeat pattern The cardiac cycle includes all of the physiological processes connected to a single pulse, including the electrical, muscular (pressures and volumes), sensory, and other activities. During each cardiac cycle, both ventricles and atria beat alternately.

<h3>Briefing:</h3>

The human heart's cardiac cycle includes two phases: ventricular relaxation and atrial contraction. The right ventricle has low pressure when the right ventricular systolic pressure is frequently less than 30 mm Hg. The left ventricle has a thicker wall and more muscle mass than the right ventricle as a result of the blood flowing at a high pressure. The expansion of the aorta causes a rise in blood volume and blood pressure.

To know more about Cardiac Cycle visit:

brainly.com/question/14797546

#SPJ4

5 0
1 year ago
HELPP MEEBell Work: Why is the nucleus sometimes called the control center of the cell?
Aleonysh [2.5K]

Answer:

1, FAlse

2.True

3. true

4.true

5.True

6. FAlse

7.true

8.true

9.true

10.True

1. Yes

2.Animal cells are the basic unit of life in organisms of the kingdom Animalia.

3.Magnification is the ability to make small objects seem larger, such as making a microscopic organism visible. Resolution is the ability to distinguish two objects from each other.

4.organelles

5. Becuase they have diffierent genetics which serve for different purposes

EXIT TICKET=.chromosomes

Explanation:

mark me brainiest

8 0
3 years ago
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