Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
8 Cards in this Set
- Front
- Back
- 3rd side (hint)
|
All of the following hormones are involved in the menstrual cycle except: |
A) Estrogen B) Luteinizing Hormone C) Prolactin D) Progesterone E) Follicle-Stimulating Hormone |
The answer is prolactin. Prolactin is the hormone that produces milk in the mammary glands. |
|
|
In aerobic respiration, the final electron acceptor in the electron transport chain is: |
A) NAD+ B) O2 C) H2O D) NADP+ E) H2 |
The answer is O2. Oxygen is the final acceptor of electrons and forms water. |
|
|
The Krebs cycle in humans occurs in the: |
A) Intermembrane Phase B) Inner Mitochondrial Phase C) Outer Mitochondrial Phase D) Cytoplasm E) Mitochondrial Matrix |
The answer is Mitochondrial Matrix. The Krebs cycle occurs in the mitochondrial matrix. |
|
|
A researcher performs a cross between 2 mice, both having black fur. Black for is dominant over white for. 75% of the offspring have black coats and 25% have white coats. The researcher can assume that the parents genotypes were most likely: |
A) BB x BB B) BB x Bb C) BB x bb D) Bb x Bb E) bb x bb |
The answer is Bb x Bb. The ratio of black fur mice to white fur mice is 3:1. This means the offspring were BB, Bb, Bb, and bb. When you draw a Punnett square to figure out the genotype of the parents, you get Bb x Bb. |
|
|
Crossing over occurs during which of the following phases in sexual reproduction? |
A) Metaphase I B) Metaphase II C) Prophase I D) Prophase II E) Anaphase I |
The answer is Prophase I. Crossing over occurs in Prophase I of meiosis. |
|
|
The major difference between cartilage and bone is that cartilage: |
A) is a type of connective tissue. B) lacks blood vessels and nerves. C) secretes a rubbery matrix. D) is composed of collagen and salts. E) is part of the skeletal system. |
The answer is that cartilage lacks blood vessels and nerves. Cartilage is flexible and lacks blood vessels and nerves. Everything else is shared between the two. |
|
|
The stored form of sugar in humans: |
A) Glycogen B) Cellulose C) Protein D) Triglyceride E) Nucleic Acid |
The answer is glycogen. Glycogen is an animal starch is stored in the liver and muscles. |
|
|
A substance that cannot be broken down by cows: |
A) Glycogen B) Cellulose C) Protein D) Triglyceride E) Nucleic Acid |
The answer is cellulose. Cellulose cannot be break broken down by cows which explains why they need bacteria in their stomachs. |
