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Ludmilka [50]
4 years ago
13

Which statement is true about chromosomes?

Biology
1 answer:
KATRIN_1 [288]4 years ago
5 0

Answer:

4.they are made up of DNA wrapped around proteins

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marta [7]

Answer:

hydropower wind and bio mass

Explanation:

the government has registered them as renewable energy

8 0
3 years ago
Read 2 more answers
A researcher wants to introduce the human gene encoding tissue plasminogen activator (used to dissolve blood clots) into a mamma
Dmitrij [34]

Answer:

In the given case, for the researcher to succeed, there is a need to place the gene next to the promoter sequence, which gets expressed in the mammary cells. The sequences of DNA, which illustrate that where the transcription of a gene by the RNA polymerase initiates is known as the promoter. These sequences are generally situated at the 5 prime terminals of the initiation site of transcription or are situated directly upstream.

7 0
3 years ago
What is one way scientists get information about the evolutionary history of species?
Snezhnost [94]
By studying a particular species .
6 0
3 years ago
Northern flickers are woodpeckers of the eastern United States. Males, but not females, have black feathers that resemble a mous
jek_recluse [69]

Answer:

This suggests that the moustache is a releaser for aggression.

Explanation:

<em>Fixed action patterns</em> are instinctive programmed responses in different species that are triggered by a specific external sensory stimulus. These stimuli are called sign stimuli or releaser. When the sign occurs, the animal starts a sequence of acts in response to the stimulus and continuous until the series of actions is completed.

The black feathers resembling a mustache in a <em>Northern flickers</em> male are an external sensory stimulus. This trait that can provoke another male to respond aggressively, as a f<em>ixed action pattern</em>.  

This trait might be considered as an <em>unconditioned stimulus</em>, which <em>provokes an unlearned or reflex reaction</em>. These aggressive responses are triggered by reflex.

7 0
3 years ago
What’s amnio acids mean
Andrews [41]

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Amino acids are organic compounds that combine to form proteins. Amino acids and proteins are the building blocks of life. When proteins are digested or broken down, amino acids are left. The human body uses amino acids to make proteins to help the body: Break down food.

7 0
4 years ago
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