45. The phospholipids of the plasma membrane are_____________________.
A) Hydrophobic
B) Hydrophilic
C) Both hydrophobic and hydrophilic
D) Uncharged
48. The plasma membrane is _________________________.
A) Completely permeable
B) Impermeable
C) Selectively permeable
D) Found only in eukaryotic cells
49. Meiosis results in ________________________.
A) 2 haploid daughter cells
B) 2 diploid daughter cells
C) 4 haploid daughter cells
D) 4 diploid daughter cells
52. If a thousand offspring of a cross have the genotype Aa, theparents of the cross can be symbolized as:
A) AA x aa
B) Aa x Aa
C) Aa x aa
D) AA x Aa
54. The replication of DNA_________________________________________.
A) Produces RNA molecules
B) Produces complementary new strands of DNA
C) Produces two DNA molecules, each of which is half-new andhalf-old
D) Generates excessive DNA, which eventually causes the nucleusto divide
55. Information stored in DNA is transferred from the nucleus tothe cytoplasm of eukaryotic cells in the form of______________________.
A) DNA
B) RNA
C) Lipids
D) Proteins
6.) A nitrogen atom that has no charge has five protons and________________electrons
10.) Organic compounds consist mainly of_______________atoms
45. The phospholipids of the plasma membrane are_____________________.
A) Hydrophobic
B) Hydrophilic
C) Both hydrophobic and hydrophilic
D) Uncharged
48. The plasma membrane is _________________________.
A) Completely permeable
B) Impermeable
C) Selectively permeable
D) Found only in eukaryotic cells
49. Meiosis results in ________________________.
A) 2 haploid daughter cells
B) 2 diploid daughter cells
C) 4 haploid daughter cells
D) 4 diploid daughter cells
52. If a thousand offspring of a cross have the genotype Aa, theparents of the cross can be symbolized as:
A) AA x aa
B) Aa x Aa
C) Aa x aa
D) AA x Aa
54. The replication of DNA_________________________________________.
A) Produces RNA molecules
B) Produces complementary new strands of DNA
C) Produces two DNA molecules, each of which is half-new andhalf-old
D) Generates excessive DNA, which eventually causes the nucleusto divide
55. Information stored in DNA is transferred from the nucleus tothe cytoplasm of eukaryotic cells in the form of______________________.
A) DNA
B) RNA
C) Lipids
D) Proteins
6.) A nitrogen atom that has no charge has five protons and________________electrons
10.) Organic compounds consist mainly of_______________atoms
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Related textbook solutions
Related questions
Please help! Not sure about these questions..thanks
Which can cross the phospholipid bilayer of a membrane without assistance from transport proteins?
A. | Ions such as Na+. | |
B. | Small hydrophobic molecules such as O2. | |
C. | Small hydrophilic molecules such as glucose. | |
D. | Any small molecule or ion. |
QUESTION 2
Which transport process requires a cell to expend energy?
A. | Moving a solute up its concentration gradient. | |
B. | No transport processes require energy. | |
C. | Moving a solute either up or down its concentration gradient. | |
D. | Moving a solute down its concentration gradient. |
QUESTION 3
Imagine a cell whose membrane is permeable to water, but impermeable to solute X. If solute X is more concentrated outside the cell than inside, which way will water move by osmosis?
A. | Water will not move in either direction, in or out of the cell. | |
B. | Water will move equally in both directions, in and out of the cell. | |
C. | Water will leave the cell. | |
D. | Water will enter the cell. |
QUESTION 4
The cellular structure that encloses the DNA/genes is the
ribosome. | ||
plasma membrane. | ||
nucleus. | ||
mitochondrion. |
QUESTION 5
The part of metabolism that builds larger, more complex molecules or structures from smaller, simpler components is | |
A. | anabolism. | |
B. | catabolism. | |
C. | catalysis. | |
D. | hydrolysis. |
QUESTION 6
In an exergonic reaction
A. | the reactants have more energy than the products, so energy is absorbed. | |
B. | the reactants have more energy than the products, so energy is released. | |
C. | the reactants have less energy than the products, so energy is released. | |
D. | the reactants have less energy than the products, so energy is absorbed. |