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Dovator [93]
3 years ago
6

Which substances compose the backbone of DNA?

Biology
2 answers:
Molodets [167]3 years ago
5 0

Answer:

Pentose Sugar and phosphate group compose the DNA's backbone.

allsm [11]3 years ago
3 0

Answer:

i think it's phosphates and amino acids

Explanation:

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Kidneys are often compared to filters because they cleanse unwanted waste from both frogs and humans true or false ?
PtichkaEL [24]

"Kidneys are often compared to filters because they cleanse unwanted waste from both frogs and humans" is TRUE.

Answer: Option A

<u>Explanation: </u>

Frogs also have the excretory system with two kidneys and similar to mammals. Its function is to eliminate the nitrogen product from the blood. Frogs make large volumes of dilute urine to wipe out harmful products from the tubules of the kidneys.

Tadpoles and aquatic frogs excrete the nitrogen as ammonia, but most terrestrial adults excrete it mostly as urea which is less threatening substance. A few tree frog species with little water access excrete the still less harmful uric acid.

5 0
3 years ago
Embryonic muscles cells are called? ​
Alexxandr [17]

Answer:

sorry i dont know the answer

5 0
2 years ago
Read 2 more answers
¿cuáles características del ajolote consideran aue han contribuido a su sobrevivencia?
fiasKO [112]

Answer:

They are capable of regenerating body parts .

Explanation:

Ambystoma mexicanum or commonly "axolotl" is an amphibian that live in the Mexican basin and currently is in danger due to the destruction of its natural habitat. This species is used in scientific research because the axolotl is capable of regenerating lost parts of their bodies.

3 0
3 years ago
Homeostatic regulation usually involves a(n) ________ that detects a particular stimulus, and a(n) ________ that responds to the
geniusboy [140]

Answer:

c) receptor; control center; effector.

Explanation:

Homeostasis maintains the internal body conditions almost constant. It includes specific cells that sense any deviations of internal or external conditions from the normal range. These cells are called receptors. The sensory information from the receptors is delivered to the control center. The central nervous system mainly serves as a control system wherein sensory information from the receptors is processed. The control center commands muscles and/or glands to perform desired responses to restore the homeostasis. Here, muscles and glands serve as effectors.

For example, thermoreceptors sense the rise of body temperature and the brain (control center) commands sweat glands (effectors) to produce sweat.

8 0
3 years ago
According to the article, why might Indians rationally choose not to eat cow even during times of starvation?
ludmilkaskok [199]

Answer:

Many Indians believe in Hinduism, which preaches that cows are sacred. They might choose not to eat cow even during times of starvation because they are afraid of the consequences that come in the afterlife. Because cows are sacred, Indians believe that eating them might incur a net negative benefit when considering the afterlife.

Explanation:

No article was provided and I don't particularly know much about the subject so this is my best guess. Please adapt this answer accordingly.

7 0
3 years ago
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