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BigorU [14]
3 years ago
9

The nitrogenous bases in DNA are held together by... A. Covalent Bonding

Biology
1 answer:
nataly862011 [7]3 years ago
5 0

Answer:

Hydrogen bonding

Explanation:

The nitrogenous bases form hydrogen bonds between opposing DNA strands to form the rungs of the twisted ladder or double helix of DNA.

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Answer:

the last one because

Explanation:

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2 years ago
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4. Dr. Fisher was found lying on his back. Is it likely that his body was moved after death? Why or why not?
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Answer: No

Explanation:

Dr. Fisher was lying on the back thus postmortem staining can be observed on his back. But if the body was moved after death then postmortem staining can also be observed on different parts of the body that can be the front part.

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3 years ago
A goal of modern taxonomy is toa. classify all organisms based on morphological similarities. b. classify all organisms into mon
dolphi86 [110]

Answer: b. classify all organisms into monophyletic groups.

Explanation:

The modern taxonomy is the study of classification of organisms which classified the organisms on the basis of ancestral relationships, reproduction, morphology and behavior to identify the living organisms on earth and group them together. This is the scientific basis for classifying the species.

The classification of organisms into monophyletic groups is one of the criteria for classification in modern taxonomy. In monophyletic group or clade is a group which includes the descendants that belongs to the common ancestor. The organisms of the group share derived characteristics like morphological similarities, mode of reproduction and similarities at the genomic level.

4 0
2 years ago
What determines the carrying capacity of an ecosystem?
Andre45 [30]
B) the amount of available resources
7 0
3 years ago
Based on these images, what can you conclude about the organisms?
Zarrin [17]

Answer:

2)They have similarities in their embryonic stages that don’t exist in their adult forms

4)They all contain a backbone, or spinal column

Explanation:

In the embryonic development of vertebrates during the early stages of development there are great similarities. Vertebrates in the early stages as shown in the image are very similar and subsequently develop the structures of their own species that differentiate them.

The presence of notocorde is a characteristic characteristic of vertebrates and birds, fish, reptile amphibians and mammals have it since they are embryos to adults

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