What are the three subatomic parts of an atom?
Electron, Neutron and Proton
Nucleotides are monomers that make?
Nucleic Acids
What part of the neuron receives signals from other neurons?
Dendrite
In what phase of mitosis are sister chromatids lined up in the middle of the cell?
Metaphase
What does FSH and LH do in the testes?
FSH stimulates sperm production and LH stimulate testosterone production
Which chemical bond is the weakest?
Hydrogen bond
Macromolecules are broken down by enzymes using which type of reaction?
Hydrolysis
During DEPOLARIZATION, ______ ions diffuse from outside the cell to inside the cell.
Sodium ions
Chromosomes that do NOT determine your biological gender are called:
Autosomes
Where are sperm produces in the male reproductive tract and where are sperm stored in the males?
Testes and the sperm are stored in the epididymis
Which chemical bond is the strongest?
Polar covalent bond
Macromolecules are built by which reactions?
Dehydration synthesis
The sympathetic division of the autonomic nervous system is active during __________, while the parasympathetic division is active during ___________.
Flight/fight, rest and digest
In what phase of meiosis are homologous chromosomes lined up in the middle of the cell?
A steep drop in what two hormones results in menstruation?
Progesterone and Estrogen
A chemical has a pH of 1. What does this mean?
It means this chemical is very acidic and has a high amount of free hydrogen ions.
A eukaryotic cell expands and may burst when placed into a __________ solution.
Hypotonic solution
What structure of the brain joins both halves of the cerebrum, allowing communication?
Corpus Callosum
In Prophase I of meiosis, homologous chromosomes find each other and swap parts of their chromosomes. What is this process called?
A very big surge in what hormone triggers ovulation of an egg from the ovary?
Luteinizing hormone
Carbon has an atomic number of 6 and an atomic mass of 12.001. A carbon atom can form how many covalent bonds?
4 covalent bonds are possible
A protein’s sequence of amino acids is what level of protein organization?
Primary structure
What are the four sensory receptors we have?
Mechanoreceptor
Photoreceptor
Thermoreceptor
Chemoreceptor
In ______________, a trait is determined by many genes. Examples include height and skin color.
Polygenetic Inheritance
Following ovulation, the follicle becomes:
The corpus luteum