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Misha Larkins [42]
3 years ago
8

The heart is an organ because it

Biology
2 answers:
Marina86 [1]3 years ago
3 0

Answer:

d

Explanation:

Your heart is an organ that’s largely made up of muscle. It has the vital function of working to pump blood to the organs and tissues of your body.

77julia77 [94]3 years ago
3 0

Answer:

b or d

Explanation:

Its b  or c I am not too sure. I think its d though.

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A strand of DNA, GCT-AAT-GAT, unzips to make mRNA. What is the sequence of the complementary mRNA strand?
OverLord2011 [107]

Answer:

C. CGA-UUA-CUA

Explanation:

The deoxyribonucleic acid (DNA) is a double helix molecule which is composed of four letters or 'nucleotides': guanine (G), cytosine (C), adenine (A) and thymine (T). The base-pair rules state that in the DNA double helix, G always pairs with C, while A always pairs with T. Moreover, during transcription, a base named uracil (U) replaces T in the resulting RNA sequence. Therefore, in this case, the complementary sequence (i.e., antisense strand) to the mRNA sequence is CGA-UUA-CUA.

4 0
3 years ago
At ________, the female central nervous system (cns) is typically more advanced than the male cns.
Ilya [14]
The correct answer is birth.

At birth, females infants on an average appear to have a more developed central nervous systems compared to males. This is apparent because female infants shower higher levels of responsiveness to stimuli such as sounds, touch and faces. Additionally, female infants typically acquire linguistic abilities and vocalize earlier than male infants. 
6 0
3 years ago
Carbon is ideally suited to form covalent bonds. true/false
posledela
True

<span>The atoms in a compound are held together by a chemical bond. The chemical bonds can be either covalent bonds or ionic bonds. Both the bonds are considered very strong bonds. These bonds are mainly formed by sharing of electrons or in the case when one of the elements making the compound donates electron to the other element. The nucleus of each atom attracts to form a strong bond. This property of attraction between the nucleus of the atoms actually helps in forming the chemical bonds. </span>
3 0
4 years ago
What happens if you connect a battery to a small light bulb with a single wire .?
Verdich [7]
The light will not light up,
; the circuit is incomplete

Also I consider this physics and electronics
6 0
3 years ago
Select the three correct answers.
loris [4]

Answer:

a, b, c are correct

Explanation:

Enhancers are DNA sequences that increase the rate of transcription. Enhancers act as binding sites for transcription factors that stimulate the transcription of one or more genes and enhancers stimulate transcription for specific cell type or tissue in a specific manner. The possible reasons for the lack of enhancers in bacteria include.

Enhancers often provide a mechanism for cell-specific transcription of genes, and most bacteria lack differentiated cell types.

Bacterial operons make coordinate regulation of protein synthesis by enhancers unnecessary.

There is little to no intergenic space on bacterial chromosomes, which makes long-range-acting enhancer sequences unnecessary.

Therefore, the correct options are (a), (b), and (c).

7 0
4 years ago
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