Biology

Nucleotides are composed of: a nitrogen-containing base a pentose sugar a phosphate group all of these none of these

From the reading: Genetics and epigenetics in obesity Intervention studies highlighting the effects of physical activity or weight loss due to bariatric surgery on DNA methylation comprise of multiple intervention types and results including: Altered DNA methylation in subcutaneous adipose tissue following a 6-month exercise intervention. Improvements in lipid metabolism and increased content of mitochondria in human myotubes after 12 weeks of extensive endurance training Signaling of DNA methylation derived from whole blood before and after 6 months of high-intensity interval training in overweight adults.

What type of electrical signal is an all-or-none response? Multiple Choice Local potential Action potential

Multiple Cholce Question Which is true of the autonomic nervous system? It is influenced by the central nervous system. The central nervous system has very little control over the autonomic nervous system. It is not influenced by the hypothalamus.

In a nerve cell at rest, the cell membrane is more permeable to which ion? Multiple Choice Potassium Sodium

Which of the following movements are the gluteal muscles responsible for executing at the hip joint? C Adduction External and internal rotation Extension Abduction

Which of the following best describes the genome of an animal? All the DNA on one chromosome A functional segment of DNA that codes for a protein All of the DNA at one locus All of the above None of the above

Select the correct answer. A receding glacier leaves behind rocky, barren land. How would life begin on this land? A. interspecific interaction B. primary succession C. secondary succession

The dotted line in the middle acts more or less like a cell membrane. Molecules can pass through, but only those that can fit will pass through. What is the term that applies to membranes that describes that allows only some substances can pass through? impermeable phospholipid permeable semipermeable

The system responsible for detecting and processing sensory Information is the __ system. A urinary B digestive C endocrine D nervous E lymphatic