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Alexandra [31]
3 years ago
8

A blastula is

Biology
1 answer:
Ymorist [56]3 years ago
4 0
B) a hollow ball of cells

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Que efectos tiene el chancro blando?
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Explanation:

Los síntomas del chancro incluyen una o más ulceras y dolor en los nódulos linfáticos, es decir en el área donde las piernas y el tronco del cuerpo se unen. La úlcera empieza como un granito doloroso que se llena de pus y luego se convierte en una llaga o úlcera.

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3 years ago
Tge type of tissue that covers the body lines internal sufaces and forms glands is
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The answer is membrane.

4 0
3 years ago
Anyone answer it The flow of materials in different tropic levels of ecosystem is Unidirectional Bidirectional Multidirectional.
creativ13 [48]

Answer:

unidirectional is ur answer mate

hope it helps u

7 0
3 years ago
Read 2 more answers
matter and energy move through ecosystems between different organisms. how does matter travel through an ecosystem and through e
choli [55]

Answer: In ecosystems, matter and energy are transferred from one form to another. Matter refers to all of the living and nonliving things in that environment. Nutrients and living matter are passed from producers to consumers, then broken down by decomposers. Decomposers break down dead plant and animal matter.

Explanation:

6 0
3 years ago
NEED BIO HELP ASAP 30 POINTS !!!!!!!!!!!!!!!!!!!!!!
alexandr402 [8]

1. Cell starts into mitosis phase of the cell cycle.

2. Helicase begins to break the hydrogen bonds between the nitrogen bases. (The double helix has to be unwound in order to expose the nucleotides)

3. DNA polymerase attach the free-floating nucleotides to the exposed nitrogen bases. (this allows a new DNA strand to be made on the existing one)

4. Free floating nucleotides pair up with exposed nitrogen bases (this is what really builds the new strand, based around the template strand)

5. Two new molecules of DNA are created

Statements:

Adenine

Cytosine (Car in the Garage, Apple in a Tree is a good trick to know how they pair)

DNA

Replication

Double helix

4 0
3 years ago
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