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juin [17]
2 years ago
9

DNA does not contain the nitrogen base_______.

Biology
2 answers:
Lapatulllka [165]2 years ago
7 0
I am pretty sure the answer is Uracil :))
Thepotemich [5.8K]2 years ago
4 0
It’s going to be d because thymine does not contain that
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Inbreeding can lead to a decrease in genetic diversity and __________.
algol [13]
The correct answer is 'inbreeding depression'. This is when more recessive<span> traits are manifesting in the phenotype. Recessive traits can only occur in offspring if both parents contain the recessive gene, and this is much more likely under reduced genetic diversity due to inbreeding. </span>Many alleles confer a selective advantage in the heterozygous and/or homozygous-dominant state, whereas the homozygous-recessive state confers less or even no advantage.
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3 years ago
What type of lenses were used for the first microscopes?
sergeinik [125]

Answer:

Here is some background information...

Explanation:

Leeuwenhoek (1633-1723) used melted glass balls to form lenses for apparently crude simple microscopes that nevertheless magnified up to 275 times! Modern tests have concluded that he could have achieved a resolution of two micrometres.

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2 years ago
Which organisms are capable of converting gaseous nitrogen in the air into a form that other living organisms can use?
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6 0
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An advantage of asexual reproduction is that it __________. Group of answer choices allows a species to easily rid itself of har
Olegator [25]

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Maintains successful genetic combinations without modification.

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Asexual reproduction usually creates perfect copies of the parent. If the parent is genetically sound creature, then a successful genetic combination is being reproduced and maintained without any changes or modification.

6 0
2 years ago
How many double-helical DNA molecules will be present in the sperm and egg cells of dogs that are diploid animals that contain 7
ElenaW [278]

Answer:

39 double helical DNA molecules.

Explanation:

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<em>A chromosome has one DNA molecule before replication and have two DNA molecules after DNA replication.</em>

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5 0
3 years ago
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