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nexus9112 [7]
3 years ago
9

What does the pulmonary vein do?

Biology
2 answers:
Reika [66]3 years ago
6 0
The correct answer is D
Mila [183]3 years ago
3 0

Answer:

B, Carries Carbon dioxide-rich blood from the lungs to the heart

Explanation:

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What is tRNA and its role/function
GREYUIT [131]

Answer:

is to bring amino acids to the ribosome for protein production.

Explanation:

7 0
2 years ago
What is the largest danger associated with a blood clot that’s lodged in a cerebral artery?
Ganezh [65]
Brain Ischemia which is definetly fatal as the cells of the cerebrum will start to respire anaerobically and eventually the building up of lactic acid will be fatal

5 0
2 years ago
Why does incomplete dominance not support the blending theory of inheritance?
Nookie1986 [14]
Incomplete dominance can happen in flowers such as snap dragons where a red flower plant and a white flower plant have an offspring that is neither red nor white but is a mix so in this case it would be pink. It does not support the blending theory as it does not get its colour from the dominant plant in this case but from both.
5 0
2 years ago
An organism that reproduces sexually has a diploid number of 30. How many
Strike441 [17]

Answer:

Gamete of organism has a haploid number of chromosomes.

2n = 30

n = 15

A diploid cell containing 30 chromosomes will result in 15 chromosomes in each of the 4 daughter cells after meiosis occurs.

After first nuclear and cellular division (Meiosis I), each daughter cell will only have 15 chromosomes as homologous chromosomes are broken apart at Anaphase I of meiosis I. Chromosomal number is halved. After the second nuclear and cellular division (Meiosis II), each daughter cell will also have 15 chromosomes. This time, instead of the chromosomal number being halved, their chromosomal contents are halved. Sister chromatids are separated at Anaphase II of Meiosis II, resulting in daughter chromosomes each.

Hope it helped!(:

Explanation:

4 0
2 years ago
What is the work done when a force of 5 N is applied to a ball and it moves 80 m?
exis [7]

Answer:

400Joules

Explanation:

the total work done to be calculated is Force× Distance

:f×d=W

80×5=320J

4 0
2 years ago
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