Imagine That the Following Are Found in Various Research References

question 139

Multiple Choice

Imagine that the following are found in various research references. Which would likely be considered a "dated" research reference, regardless of year of publication?

• A) Rates of autism are rising at never-before-seen rates.
• B) Cones are tightly packed in the center of the retina, allowing for high visual acuity.
• C) Freud believed that much of our behavior is the result of unconscious urges.
• D) Implantation of the blastocyst occurs within 6 to 10 days after conception.

---

Definitions:

Acidic

Characterized by a low pH, indicating a higher concentration of hydrogen ions, often associated with substances like lemon juice or vinegar.

Basic

Characteristic of substances with a pH greater than 7, often capable of neutralizing acids to form water and salts.

ATP

Adenosine triphosphate, a molecule that stores and transfers energy within cells, enabling various cellular functions.

Oxygen

A chemical element with symbol O, essential for cellular respiration in aerobic organisms and required for most combustion.