RED
Which organelle is responsible for storing DNA and controlling cell activities?
Nucleus
The Central Dogma says that information moves in one direction from ___.
A) DNA -> RNA -> Protein
B) RNA -> DNA -> Protein
C) Protein -> RNA -> DNA
D) RNA -> Protein -> DNA
A) DNA -> RNA -> Protein
Which macromolecule is made from glycerol and fatty acids?
A) Carbohydrates
B) Lipids
C) Nucleic Acids
D) Protein
B) Lipids
When a vesicle containing cell materials merges with the membrane, and the contents are released OUTSIDE of the cell, the cell is performing ___.
A) Endocytosis
B) Exocytosis
B) Exosytosis (EXO = EXIT)
Which organelle is the site of cellular respiration?
Mitochondria
One of the main causes of climate change is human disruption of the ____.
A) Carbon Cycle
B) Phosphorus Cycle
C) Nitrogen Cycle
D) Hydrologic Cycle
A
Name the process by which DNA is copied.
A) Replication
B) Transcription
C) Translation
A) Replication
A cell replicates its DNA during the ___ phase.
A) Gap 1 (G1)
B) Synthesis (S)
C) Gap 2 (G2)
D) Replication (R)
B) S phase
Which property of water means that water tends to stick to other water molecules?
A) Adhesion
B) Cohesion
C) Capillary Action
D) Surface Tension
B) Cohesion
What are the reactants of photosynthesis?
light, CO2 and H2O
Remnants of organs or structures that had a function in an early ancestor are called...
A- Homologous structures
B- Vestigial structures
C- Analogous structures
B
An mRNA copy of DNA is made during ___.
A) Replication
B) Transcription
C) Translation
B) Transcription
A protein that detects a signal molecule and performs an action in response is called a
A) proton.
B) ligand.
C) receptor.
D) vesicle.
C) receptor
Which type of diffusion requires ATP energy?
A) Osmosis
B) Active Transport
C) Facilitated Diffusion
D) Passive Transport
B) Active Transport
Which plant tissue is responsible for the movement of water from roots to leaves?
A) Xylem
B) Phloem
C) Mesophyll
D) Stomata
A
Which of the following is NOT found in the fluid mosaic model of the cell membrane?
A) Phospholipids
B) Proteins
C) Carbohydrates
D) Nucleic Acids
D) Nucleic Acids
This type of event occurs when a few individuals start a new population:
A- Bottleneck effect
B- Mass extinction
C- Gene flow
D- Founder effect
D
In plants, GG ang Gg code for green leaves, while gg codes for yellow leaves. What is the recessive phenotype?
YELLOW
An enzyme is a catalyst that affects chemical reactions by ___.
A) raising the activation energy
B) lowering the rate of reaction
C) lowering the activation energy
D) both A and B
C
Alternate version of a gene.
A) Trait
B) Allele
C) Homozygote
D) Gamete
B
Which organelle contains a network of folded membranes called lumen, and is the site of lipid production and cell detoxification?
SMOOTH ER
Three letter RNA "words" that code for amino acids are called ___.
Codons
Which process occurs during prophase I of meiosis to increase genetic diversity in offspring?
Crossing over
What is the term for the diffusion of water across a semipermeable membrane?
Osmosis
Fermentation is a/an ______ process because it does NOT use oxygen.
anaerobic