Plesiadapiformes are a group of archaic mammals that lived during the Paleocene epoch and are likely very closely related to the earliest primates. True False
The brain stem contains the midbrain, the pons.and the medulla oblongata. True False
The gaps in the sheath that insulates axons are called __ gaps of Schwann myelin sheath gaps outer collar of perinuclear cytoplasm myelinated fibers
Which term is used to refer to Prokaryotes that obtain their energy from chemical compounds? square able am Give me options adaptive speciation
The pancreas is involved in both exocrine and endocrine functions of the body. True False
Why are fungi important decomposers? They produce many spores They can grow in different environments They recycle carbon and inorganic minerals by the process of Decomposition They produce mycelia
Which of the following is a special sense? Pressure Taste Touch Proprioception
Intense light makes you feel less tired by blocking the production of __ melatonin dopamine MDMA THC
Which of the following regions is not a site you find a high lymph node concentration? Multiple Choice The cervical region The popliteal region The carpal region The inguinal region
Multiple Choice Question An individual has the D antigen on the surface of his/her red blood cells. This individual is considered to be __ Rh+ Rh- AB O
Which of the following types of cells is most responsible for responding to color? Rods Ganglion cells Bipolar cells Cones Optic nerve
Select the correct statement regarding chemical synapses. Neurotransmitter receptors are located on the axons terminals of cells. The synaptic cleft uses the action potential to transmit a chemical signal to the postsynaptic cell. Cells with gap junctions use chemical synapses. The release of neurotransmitter molecules gives cells the property of being electrically coupled.
The __ is a capillary network that produces a blood filtrate that enters the urinary tubules. glomerulus vasa recta interlobar capillary peritubular capillary
Movement of sodium ions into the muscle cell at the neuromuscular junction causes __ A. Repolarization of the muscle cell membrane B. Depolarization of the muscle cell membrane C. Re-uptake of acetylcholine D. Release of acetylcholine
The neurotransmitters dopamine and serotonin are associated with which emotion? fear joy anger
The movement of molecules and ions from the peritubular capillaries into interstitial fluid and then into the nephron tubule iscalled __ a. secretion b. reabsorption c. excretion d. filtration
B lymphocytes are directly responsible for cell-mediated immunity. Select one: True False
In the sequence of events for inspiration, what step happens immediately after contraction of the inspiratory muscles? Air flows into the lungs Intrapulmonary volume increases Thoracic cavity volume increases Intrapulmonary pressure decreases IDONT KNOWYET
Multiple Choice Question Select the statements that best describes the relationship between genes and chromosomes. Genes are variations of chromosomes and can change the structure of the protein product. Genes are composed of long strands of DNA organized into chromosomes. Chromosomes are composed of long strands of DNA organized into chunks called genes. Chromosomes break down to form genes during meiosis so that the genes can be easily separated during gamete formation.
Which cells secrete parathyroid hormone in the parathyroid gland? Hematopoietic cells Chief cells Parietal cells Follicular cells
