Cancer affecting bone marrow or blood is called __________. a. carcinoma b. leukemia c. lymphoma d. sarcoma
When water percolates through the ground where does it go? A. It becomes runoff B. It evaporates C. It enters and aquifer D. It condenses
Which of the following is most likely to be found near a volcano? a. granite c. sandstone b. gypsum d. schist
What happens when light strikes green plant pigments? A: NADPH becomes NADP B: glucose is split in half C: ATP becomes ADP D: electrons become excited
Which of the following occurs along coasts during the day? a. land breeze b. sea breeze c. continential breeze d. surf breeze
What do vascular plants, like angiosperms, do to store sugars in their fruit pulp? a. They efficiently transport xylem sap throughout the plant body. b. They efficiently transport phloem sap throughout the plant body. c. They efficiently transpire and lose water at the leaf surface.
Divergent faults form when tectonic plates _____. move away from one another stop moving crash into one another slide past each other
Which one of the following diseases is caused by a virus? A. Strep throat B. Hepatitis B C. Tetanus D. Tuberculosis
The original source of all genetic variation is _____. the original source of all genetic variation is _____. natural selection meiosis mutation recombination
Why do you think the processes of photosynthesis and respiration are interrelated? A) because in plants, both photosynthesis and respiration are continuous processes that take place through day and night B) because the oxygen produced in photosynthesis is used in respiration, and the carbon dioxide produced in respiration is used in photosynthesis C) because the energy released during respiration is used in photosynthesis, and the energy released during photosynthesis is used in respiration
Based on the pyramid, which organism(s) provide the MOST available energy? A) predator fish B) birds and mammals C) insects and zooplankton D) phytoplankton and bacteria
A glucose molecule is the______________ Choices: smallest type of protein. . monomer of starch and cellulose. . largest of the carbohydrate polymers. . fundamental unit of genetic material
When water intake is low, spinal cells in the brain signal the pituitary to release a. epinephrine. b. antidiuretic hormone. c. thyroxin. d. insulin.?
In cellular respiration, stored chemical energy in A.ATP and NADH is converted to carbohydrate molecules B.ATP molecules is used to build NADH molecule C.organic molecules is converted to ATP molecules D.food is used to make organic molecules like glucose
A steroid hormone reaches its target cell. Which event happens next? A. It binds itself to the receptors on the surface of the cell membrane, which activates enzymes inside the cell. B. It passes through the cell membrane and attaches itself to a receptor protein inside the cell. C. It passes on the signal to the secondary messengers inside the cell, which activate the receptors on the cell membrane.
In which of the following scenarios does skin help to maintain body temperature? a. When jumping into cold water, one’s skin releases body heat into the water. b.While walking during a hot summer day, one’s skin releases sweat that contains heat. c.After accidentally touching a hot cookie sheet, a blister forms on one’s finger where all the heat entered the body. d. After a long run, an Olympic athlete stretches out her arms and legs.
Which of the following is NOT a way to transmit STIs? a. through pregnancy b. indirectly touching sex organs c. sharing a dinner utensil d. exposure to an open sore
Which of the following lymph nodes can be palpated when they're normal size? a. submandibular and popliteal b. submandibular and axillary c. axillary and inguinal d. inguinal and popliteal
The basic difference between spermatogenesis and oogenesis is that ________. the basic difference between spermatogenesis and oogenesis is that ________. spermatogenesis involves mitosis and meiosis, but oogenesis involves meiosis only the mature ovum is n, while the sperm is 2n during spermatogenesis two more polar bodies are produced in oogenesis, one mature ovum is produced, and in spermatogenesis four mature sperm are produced from the parent cell
What happens after genetically modified plasmids are inserted into bacteria? A. The bacteria incorporate the plasmids into their main chromosomes. B. The bacteria make proteins from the inserted modified genes. C. The bacteria cause mutations in the plasmid genes. D. The bacteria reject the altered plasmids.
Human impact on ecosystems would most likely lead to secondary succession over primary succession. Please select the best answer from the choices provided T F
After which event could you say with most certainty that evolution has occurred? (Points : 3) One animal grows abnormally large. An allele frequency changes in a population. A new predator comes into an environment. A white-eyed fly is born into a population of brown-eyed flies.
Long, saturated fatty acid tails _____ lipid mobility and _____ membrane fluidity. enhance; increase reduce; increase enhance; maintain maintain; decrease reduce; decrease
Alcohol is absorbed by the body much faster than food because ___________. Alcohol doesn't have to be digested Alcohol is a liquid Alcohol is a protein Alcohol is absorbed in the liver
What is a likely health effect of continued exposure to air pollution? a. congestion b. cardiovascular disease c. respiratory illness d. all of the above
Most people in cities get their water _______. a. by supplying it themselves b. by delivery through pipes c. through private suppliers d. all of the above (It's not D)