Reading...
Play button
Play button
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;
48 Cards in this Set
- Front
- Back
|
The Correct sequence of steps in theM phase of a cell cycles is
|
prophase, prometaphase, metaphase, anaphase, telophase, cytokinesis
|
|
|
in animal cells, hydrolytic enzymes are packaged to preven general destruciton of cellular components. which of the following organelles fuctions in this compartmentalization
|
lysosome
|
|
|
when a cell releases a single molecule into the enviornment and a number of cells in the immediate vicinity respond, this type of signaling is
|
paracrine signaling
|
|
|
A woman who has blood type A, has a daughter who is type O positive and a Son who is type B negative, Rh positive is a simple dominate trait over Rh negative. Which of the following is a possible phenotype for the father? a)A b)AB c)O d)B e) n/a
|
d
|
|
|
When pairs of homologous chromosomes separte during anaphase I
The sister chromatides remain linked to one another Which of the following is true of a speices that has a chromosome number of 2n=16 |
The are 8 homologous pairs.
|
|
|
Individuals with this disorder are unable to metabolize certain lipids, affecting proper brain developemtn. Affected individuals die in early child hood
|
Tay-Sachs disease
|
|
|
Huntington’s disease is casued by a dominant allele, if one of your parenets has the disease, what is the probability that you, too, will have the disease
|
1/2
|
|
|
atoms can be represented by simply listhing the number of protons, neutrons, and electrons which atom represents the 14 C isotope of carbon?
|
6P+, 8N, 6 E-
|
|
|
statement is true of all cationic atoms?
|
the atom ahs more p+ than e-
|
|
|
how many grams of C12H22O11 is required to make 1M aquisous solution?
|
342 grams
|
|
|
Identify the asymmetric carbon in this molecule:
O H OH H H- C - C- C – C –H H H H H |
OH-C-H
|
|
|
Name the functional group in this amino acid :
R H2N-C-COOH H |
H2N and COOH
|
|
|
The interior of the phospholipid bilayer is
|
Hydrophobic
|
|
|
The ATP made during fermentation is generated by which of the following?
|
Substrate –level phosphorylation
|
|
|
Which of the following statements correctly describes catabolic pathways
|
They release energy as they degrade polymers to monomers
|
|
|
Choose the pair of terms that correctly of terms that correctly completes this sentence
Completes this sentence Proteins are to___________ as __________ are to monosaccharide a)enzymes; polypeptides b)amino acids; enzymes c)peptide linkage; polymers d)amino acids; carbohydrates |
D
|
|
|
Which of the following structure-function pairs is mismatched?
a)nucleolus; ribosome production b) ribosome; protein synthesis c) endomembrane system; mitochondria d) Goli; protein trafficking |
C
|
|
|
hich of the following is not a protein?
a)steroid, b)enzyme, c)antibody, d)hemoglobin |
A
|
|
|
A cell whose cytoplasm has a concentration of .02 molar glucose is placed in a test tube of water containing .02 molar glucose. Assuming that glucose is not actively transported into the cell, which of the following terms describes the tonicity of external solution relative to the cell cytoplasm of the cell?
|
Isotonic
|
|
|
According to the 1st law of thermodynamics
|
Energy can be neither created nor destroyed
|
|
|
Normally occurs whether or not Oxygen is present
|
Glycolysis
|
|
|
Paracrine signaling…
|
Involves secreting cells acting on nearby target cells by discharging a local regulator into the extracellular fluid
|
|
|
Cells that are in a nondividing state are in which phase
|
G0
|
|
|
If a cell has 8 chromosomes at metaphase of mitosis, how many chromosomes will it have during anaphases?
|
16
|
|
|
Where do the microtubules of the spindle originate during mitosis in both plants and animals?
|
Centrosome
|
|
|
What is the primary function of the Calvin Cycle?
|
Synthesize simple sugars from C02
|
|
|
Testosterone functions inside a cell by
|
Acting as a steroid signal receptor that activates ion-channel proteins
|
|
|
What is the primary function of the light reactions of photosynthesis
|
To produce ATP and NADPH
|
|
|
In DNA form any species, the amount of adenine equals the amount of thymine, and the amount of guanine equals the amount of cytosine
|
Erwin Chargaff
|
|
|
The correct sequence of steps in the M phase of a cell cycle is
|
Prophase, prometaphase, metaphase, anaphase, telophase, cytokinesis
|
|
|
In animal cells, hydrolytic enzymes are packaged to prevent general destruction of cellular components. Which of the following organelles functions in this compartmentalization
|
Lysosome
|
|
|
When a cell releases a signle molecule into the enviourment and a number of cells in the immediate vicinity respond, this type of signaling is
|
Paracrine signaling
|
|
|
You briefly expose bacteria undergoing DNA replication to radioactively labeled nucleotides. When you centrifuge the DNA isolated from the bacteria, the DNA separates into two classes one class labeled DNA includes very large molecules and the other includes short stretches of DNA. These two classes of DNA probably represents
|
Leading Strands and Okazaki fragments
|
|
|
A Barr body is normally found in the nucleus of which kind of human cell
|
Somatic cells of a female only
|
|
|
Red-green color blindness is a sex linked recessive trait in humans 2 people with normal color vision have a color-blind son. What are the genotypes of the parents
|
XCXc and XCy
|
|
|
Which enzyme catalyzes the elongation of a DNA strand in 5’ --> 3’ direction
|
DNA polymerase
|
|
|
Which of the following helps to stabilize mRNA by inhibiting its degradation
|
5’ cap and poly-A tail
|
|
|
what kind of chemical bond is found between paired bases of the DNA double helix
|
hydrogen
|
|
|
angiosperms are the most successful terrestrial plants this success is due to all the following except:
a)sperm cells with flagella b)animal pollination c)fruits enclosing seeds d)highly efficient xylem e)reduced gametophytes |
A
|
|
|
Which structure must pass through the micropyle for successful fertilization to occur in angiosperms
|
Two sperm nuclei and the pollen tube
|
|
|
The sporophyte depend on the gametophyte for nutrition
|
Moss
|
|
|
How have fruits contributed to the success of angiosperms
|
By facilitating dispersal of seeds
|
|
|
The following are common to both charophyceans and land plants except
a)chlorophyll a b)lignin c)cellulose d)sporopollenin e)chlorophyll b |
B
|
|
|
True of seedless vascular plants
|
Whole forests were once dominated by large, seedless vascular plants
|
|
|
If a fern gametophyte is a hermaphrodite, then it
|
Belongs to a species that is homosporous
|
|
|
Which of the following is an ongoing trend in the evolution of land plants
|
Reduction of the gametophyte phase of the life cycle
|
|
|
Seeds commonly provide for each of the following except
a)dispersal b)dormancy c)a nutrient supply for the embryo d)desiccation resistance e)a choice of germination location |
E
|
|
|
Bryophytes have all the characteristics except:
a)multicellularity b)a reduced, dependent sporophyte c)specialized cells and tissues d)walled spores in sporangia e)lignified vascular tissue |
E
|
