Answer:
Connective Tissues
Explanation:
According to my research on studies conducted by various medical professions, I can say that based on the information provided within the question this scientist is most likely looking at Connective Tissues. These are tissues in which material secreted by the cells is fills up the spaces between the cells, thus connecting or binding otherwise separate tissues or organs. Which is what the scientist seems to be describing.
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The correct answer for the question that is being presented above is this one: "(3) nucleus and ribosome." The two cell structured work together in the process of protein synthesis are the nucleus and ribosome.
Here are the following choices:
(1) nucleus and chloroplast
(2) ribosome and vacuole
(3) nucleus and ribosome
(4) mitochondrion and cell membrane
The correct answer for the question is B; Oxygen is used for respiration and carbon dioxide is a waste product.
Explanation;
Plants and animals use the process of respiration to produce energy which is used to fuel normal activities such as growth and movement. The process uses oxygen to break down nutrients such as carbohydrates, fats and proteins, and release energy needed by the plants and animals; but, also creates water and carbon dioxide as byproducts.
Carbon dioxide is a by product of the process of respiration, a chemical reaction that plants and animals use to produce energy they need to carry out day to day activities.
Answer:
I think your answer is B).
