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olasank [31]
3 years ago
12

During development, an embryo is embedded in the

Biology
1 answer:
Nikolay [14]3 years ago
3 0
The best answer is d. endometrium.

Endometrium is the innermost layer in the Uterus, and it is found in the whole uterus.

For comparison, Cervix is the structure on the "bottom" of the uterus, vagina is below it (outside of the womb) and the ovaries if where the unfertilized eggs are.
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Bacteria because it mutates very quickly compared to humans :)
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Oxygen is attached to _______.
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Answer: The answer is C. An iron atom located on the heme portion hemoglobin

Explanation: Hemoglobin is responsible for the transportation of oxygen in the red blood cells to tissues of vertebrates. It is the protein molecule found in the red blood cells.

Hemoglobin is made up of 4 heme molecules surrounding the globin group, forming a tetrahedral structure. The heme molecules contain one atom of iron each and this is the binding spot for each molecule of oxygen through a covalent bond. Therefore, each hemoglobin molecule can have up to four molecules of oxygen attached to them.

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4 years ago
PLEASE PLEASE PLEASE I NEED HELP ASAP
Leya [2.2K]

Student’s academic performance can be tested with two factors i.e. oral lecture and oral lecture plus giving notes to the students.

<h3>How might you design an experiment to test this?</h3>

We should take two factors i.e. oral lecture and oral lecture plus giving notes to the students. We set two groups having equal number of students. First group is treated with the first factor i.e. oral lecture while on the other hand, the second group is treated with second factor i.e. giving notes. After one month, the performance of both groups should be tested through monthly test.

<h3>B. What is a possible hypothesis?</h3>

The possible hypothesis is that we get better results from the students of the second group.

<h3>C. What is the independent variable?</h3>

The independent variable are the notes and lecture.

<h3>D. What is the dependent variable?</h3>

The dependent variable are the performance of the student.

E. What is the control group, and what is the experimental group?

The control group is taking no notes whereas the experimental group is taking notes.

<h3>F. What are the constants in your experiment?</h3>

The constants in the experiment is the independent variable because it is not affected by any other factor.

Learn more about academic here: brainly.com/question/25941596

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5 0
2 years ago
BRAINLIEST BRAINLIEST BRAIBLIEST PLEADE ANSWER DUSUSISISJJAIXNDJDD
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uh I am not really sure But I think it is HE

Explanation:

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Quién propuso el primer mecanismo de herencia a partir de la observación y la experimentación con plantas?
marusya05 [52]

Answer:

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Gregor Mendel fue un naturalista, biogista y matemático que demostró por primera vez los principios de la herencia utilizando su trabajo sobre las plantas de guisantes.

Publicó su trabajo en "Experiments in Plant Hybridization" en el año 1866. Al controlar la polinización, Mendel pudo cruzar plantas de guisantes con diferentes formas de rasgos. En el primer conjunto de experimentos de Mendel, experimentó con solo una característica a la vez. Los resultados de este conjunto de experimentos llevaron a la primera ley de herencia de Mendel llamada ley de segregación (Bio Libretexts).

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