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vichka [17]
3 years ago
9

Which statement is true of X chromosomes?

Biology
2 answers:
labwork [276]3 years ago
8 0
A. People born female have 2 X chromosomes
serg [7]3 years ago
5 0

Answer:

d

Explanation:

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Alexus [3.1K]

Answer:

petrified fossils → date sedimentary rocks

6 0
3 years ago
Can someone answer 10 for me
Helen [10]

Answer: the large and small intestine

Explanation: the small intestine gets all of the nutrients out from the food  while the large intestine gets nutrients out of liquids.

3 0
3 years ago
As part of an experiment on circadian rhythms, a laboratory rat’s brain has been lesioned. The animal is now falling asleep and
Sergio039 [100]

Answer:the part of the brain that has most likely been damaged in this experiment is the suprachiasmatic nucleus (SCN) found in the hypothalamus of the brain.

Explanation:

circadian rhythms are behavioural changes that respond to light and darkness in an organisms environment. The sleep-inducing wake cycle is a good example of a circadian rhythm. In the experiment, the disruption of the mouse SCN led to development of imbalances in the circadian rhythm of sleep and wake cycle leading to falling asleep and waking up at random times of the day and night. I hope this helps. Thanks

3 0
3 years ago
An organ, in any multicellular organism, would BEST be described as
jeka57 [31]

The right answer is D) a structure made of two or more tissues functioning together for a common purpose.

An organ is a set of specific tissues capable of performing one or more specific functions. The human body has 78 organs and these organs can be grouped into systems (there are 11 of them) to perform more complex functions. For example, the bronchi and lungs are organs that belong to the respiratory system. Organs are necessary to live in good health and some organs are essential. These are the brain, heart, lungs, kidneys, liver and pancreas.

3 0
3 years ago
Read 2 more answers
Archaea are classified into three groups depending on their metabolism. Cite these three groups and define each one briefly
lara [203]

Answer:

There are three classes of Archaea are Methanogens, Halophils and Thermo acidophills

Explanation:

Methanogens : They produce methane gas a waste product of their digestion or process of making energy

Halophiles: They live in salty environments

Thermoacidophilles: They live in hot acidic terrestrial environments.They are Crenarchaeota belonging to the Acidilobales and the Sulfolobales.

8 0
3 years ago
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