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Shkiper50 [21]
3 years ago
7

What are the names of the membranes that cover the brain and spinal cord

Biology
1 answer:
oee [108]3 years ago
4 0
Three layers of membranes known as meninges protect the brain and spinal cord.
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Help Fast ANSWER THIS FIRST PLEASE! I WILL PUT MY MAX POINTS!
garik1379 [7]

Answer:

D.

Explanation:

In general, a scientific law is the description of an observed phenomenon. It doesn't explain why the phenomenon exists or what causes it. The explanation of a phenomenon is called a scientific theory.

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You are able to fluorescently label a cell in a chick embryo and watch it over the course of a few days. On the first day, the c
Nezavi [6.7K]

Answer:

A. differentiation

Explanation:

Cell differentiation consists of a set of processes that transform and specialize embryonic cells. After these transformations, their morphology and physiology are defined, which make them capable of performing a certain function.

We call differentiation in biology the process that all living cells go through to specialize in a particular function. These cells, despite being differentiated, continue with the same genetic code as the first cell, and the difference between them is in inhibiting or activating certain groups of genes - these responsible for defining the function of each of them. This, in addition to determining its function, entails some changes in cell structure, as happened with the cell described in the question, which promoted a change in its structure by merging with neighboring cells to form a multinuclear tube.

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3 years ago
In an experiment, the variables that are kept the same between the experimental group and the control group are called ________.
nekit [7.7K]

Answer:

B. Constants

Explanation:

Constants are the factors that stay the same throughout the entire experiment no matter which group. The definition of a constant is "a situation or state of affairs that does not change." this furthers the point that constant is the correct answer because they don't change in the experiment.

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Albumin is a protein found in egg whites.
Ilya [14]

A chain of amino acids folded and twisted into a molecule

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I learned about oral sex from school..can you can get an STD just from talking about sex? IM SCARED PLS RESPOND
Advocard [28]

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No, you cannot get STD from talking about it.

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STD stands for sexually transmitted diseases spread from person to person. Usually spreader by sexual contact.

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