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Biology

2 answers:

Mashutka [201]3 years ago

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Answer:

the umbilical cord is connected to both the mother and the unborn child and so tranfers nutrients from the mothers blood to that of the baby's blood

Katarina [22]3 years ago

3 0

Answer:

Due to ethical reasons. Obtaining stem cells from the embryoes would require fertilisation of the embryo in order to obtain the embryonic stem cells and the embryo may not develop into a fetus upon extraction of stem cells (I may be wrong on this). On the other hand, umbilical cord stem cells, although are more mature stem cells, could be obtained after childbirth and does not raise the same ethical concerns as that of the embryo

Explanation:

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the process in which two species interact in ways that benefit both of them is called a. predation. b. mutualism. c. parasitism.

Scilla [17]

B. mutualism is the right answer

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2 years ago

A carbohydrate molecule is (2 points) a macromolecule made of amino acids that provides structure for a cell and is not soluble

Sonja [21]

Carbohydrate consists as the name as of carbon and hydrogen and oxygen in the same ratio as water (hydra). Another name for carbohydrates would be saccharides... this is for an example glucose, ribose and so on... and we use fx glucose in cellular respriation.

A carbohydrate is a biological molecule consisting of carbon, hydrogen, and oxygen

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2 years ago

It is important to conduct multiple trials because _____.

Angelina_Jolie [31]

B. it makes your results more convincing

Explanation:

It is important to conduct multiple trials in an experiment because it makes results more convincing.

Multiple trials removes and spreads error from one or more steps in experiment.

The ability to reproduce result in an experiment is known as precision.
Precision is very important in experiments.
When a scientist carries out multiple trails in an experiment, it helps to remove any likely error that might have been carried into the experiment.
Multiple trials are key to efficiency of experiments.
From the results we can confidently state findings based on statistically backed data obtained.

learn more:

Experiment brainly.com/question/5096428

#learnwithBrainly

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3 years ago

The atom has an incomplete valence shell true or false

Tema [17]

Answer:

False

Explanation:

Thats a fact you can thank me later

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