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stira [4]
3 years ago
7

What percentage of the deoxyribonucleic acid sample is thymine

Biology
1 answer:
sergeinik [125]3 years ago
7 0

Answer:

35%

Explanation:

Since we know that 35% of the bases in the section of DNA are adenine, we can conclude that 35% of the bases are thymine.

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Baron Constantin von Economo discovered the involvement of the posterior hypothalamus and the anterior hypothalamus in human ___
Leona [35]

Answer:

Wakefulness and sleep.

Explanation:

Hypothalamus may be defined as the small region of the brain that maintains the homeostasis of the body. The hypothalamus is divided into anterior hypothalamus and posterior hypothalamus.

The anterior hypothalamus of the brain is involved in the sleep activity of the organisms and releases the hormones also. The posterior hypothalamus is involved in the wakefulness of the individual.

Thus, the correct answer is wakefulness and sleep.

3 0
2 years ago
Which of the following is NOT a somatic cell?
kow [346]

Answer:

O Red Blood cells

Explanation:

The Universal Donor. O- blood type is the universal red blood cell donor because their red blood cells can be transfused into any patient, regardless of blood type. O- red cells must be used for trauma situations and other emergencies when the patient’s blood type is not known. O- red cells are also frequently used for babies and sickle cell anemia patients.

Brainliest?

8 0
2 years ago
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What are the three inference (conclusions) Darwin made based on his observations?
Aleksandr [31]

Answer:

1. A Struggle for Survival

2. survival will reproduce

3. Superior adaptive variation

Explanation:

1. Observation: overproduction of offspring that can possibly survive.

CONCLUSION: A Struggle for Survival, most of this offspring fight for food and water.

2. Observation: variation in species: member of the same species have different ways of identification, which are color, sex, e.t.c

CONCLUSION: Those individuals that survive and reproduce do so in consequence  of "superior adaptive variation" (they are "more fit")

3. Observation: Variation heritable through selection: most survival pass there favourable adaptation to their offspring.

CONCLUSION:  Superior adaptive  variation will be passed on to offspring generation.

     

reference: https://www.mun.ca/biology/scarr/4250_History_II.html

6 0
2 years ago
When testing an organism for the ability to deaminate phenylalanine, would you expect to overlay this medium with mineral oil? w
Alla [95]

No, for the reason that, agar will not evaporate when it is in a solid state. Agar is a combination of two components, namely, the agaropectin, which is a heterogeneous combination of tinier molecules and another called the linear polysaccharide agarose.

8 0
2 years ago
Can someone plz answer quickly???
baherus [9]

Answer:Electrical mechanical

Explanation:

7 0
2 years ago
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