Bio midterm part two
Amino acid-protein
monomer that is correct with polymer
Hydrophilic
If a material readily mixes with water, it's:
Flagella
(Bacteria tail) below is a diagram of a bacterium. What part does Z represent
cytoplasm, a plasma membrane, and DNA
All cells have some characteristics in common; both prokaryotic and eukaryotic cells have
Proteins; nucleotides
Amino acids are needed to build ________, just as ________ are needed to create DNA.
Phospholipids
Both the nuclear membrane and the plasma membrane are composed of:
Other carbon atoms.
Carbon atoms most often share electrons with:
surface area to volume ratio
Cell size is limited bc ________ is critical to a cell's function.
Contain DNA
Chloroplasts and mitochondria are similar in that they both
assist cell-to-cell adhesion and communication
Function of junction proteins?
Glycogen
Humans store glucose in the form of:
Five
Phosphorus has an atomic number of 15. How many valence electron shells does it have?
Polymer; glucose molecules
Starch is a _____ made of many _____.
Serve as a form of immediate cellular energy
The principle role for sugars in living things is to
number and sequence of amino acids
The "primary structure" of a protein refers to the_____.
Monomer
The basic building block or subunit of many biological molecules is:
Hydrogen bonds
The figure below is depicting the interaction of water molecules with one another. The weak attractions between the water molecules are known as:
They all release H+ ions in solution, making them acids.
What do lemons, coffee, and tomatoes all have in common chemically?
Thymine
Which nitrogen containing base is in DNA but not RNA?
Uracil
Which nitrogen containing base is in RNA but not DNA?
C,H, O
Which of the following elements are found in glucose?
Rough Endoplasmic Reticulum- Golgi apparatus- plasma membrane
Which of the following is the correct sequence for an altered protein that is secreted from the cell?
Parts W and Z are hydrophilic.
Which of the following is true regarding the labeled plasma membrane?
quaternary structure
Which of the following levels of protein occurs when multiple polypeptide chains interact?
Chloroplast
Which of the following organelles contains thylakoids?
It converts light energy into chemical energy
Which of the following statements describes the function of a chloroplast?
Both plant and animal cells have a plasma membrane, and animal cells have a plant wall.
Which statement below is correct when comparing plant and animal cells?
Secondary structure in proteins
alpha helix and beta sheet are characteristics of what?
