Upgrade to remove ads
bio 111 exam 1 quiz qs
questions from quizzes
Terms in this set (55)
Which of these nutrients CANNOT be absorbed directly through the intestinal epithelium, through interstitial fluid, and directly into capillaries?
What resources are carnivorous pitcher plants gaining from the digestion of insects?
Allow slow absorption of fatty acids
What does a micelle do?
Multi Chambered heart with symbiotic bacteria
What is an adaptation that cattle have to help digest cellulose in plant material?
Which of these nutrients primarily provides energy when digested, not cellular building blocks?
Specialized compartments can have different conditions
What is the biggest advantage of having a complete digestive tract?
To stimulate acid production in the stomach, starting digestion
What is the purpose of gastrin?
Increase surface area for absorption
What is the purpose of the villi and microvilli in the small intestine?
Plant roots need access to oxygen to perform cellular respiration
Why do plants grow well in aerated soil?
Which is the MOST important limiting factor to plant growth?
Which of these accessory organs produce enzymes for fat digestion?
You eat a cheeseburger for lunch, which of these enzymes will break down the protein in the meat patty in the small intestine into small peptides that can be cleaved into amino acids by the brush border proteases?
Stomach, pepsin, trypsin
Digestion of proteins begins in the __________ when the enzyme ________ starts breaking down large polypeptides, which are further broken down in the small intestine by __________.
What is the major function of the large intestine in human digestion?
Mouth, salivary amylase, pancreatic amylase, small intestine
The digestion of starches begins in the _______ where _______ breaks down polysaccharides into smaller molecules so that _______ can continue breakdown in the __________.
The citric acid cycle
What cellular process creates the carbon dioxide byproduct that living things need to transport out of their cells?
Thin needle shaped leaves that are drought resistant
You are a plant living on the shady forest floor of a tropical rainforest. Which of these adaptations would be least effective?
To begin mechanical breakdown of food, since they have no teeth
Why do birds have gizzards?
Small intestine, bile, pancreatic lipase
The digestion of fats finishes in the ___________ where _________ breaks up fat into smaller molecules so that there is a greater surface area for ____________ to get access to the lipid molecules to break up chemical bond.
Which nutrient do heterotrophs consume that is the most essential component of cell membranes?
Where does the carbon that plants use to build their cells come from?
Drink a solution resembling sweat
In the research related to the invention of Gatoraid discussed in the book, what did Cade et al. hypothesize was the best way to maintain osmotic balance during exercise?
Thick layer of organic topsoil
What soil characteristic do prairie soils have that those in tropical rainforests don't?
Creates a home for symbiotic bacteria that break down cellulose
What is the purpose of rumen in cattle?
High rainfall leeches material away
Tropical rain forests have large amounts of organic matter being dropped on the forest floor every year, why aren't those nutrients more available to plants?
Soil bacteria can fix atmospheric nitrogen into ammonia that plants can use
Why do so many plants form symbiotic relationships with bacteria in the soil?
In its active form it would begin digesting the proteins within the chief cells
Why do the chief cells in the stomach lining secrete inactive pepsinogen?
Which of these is an important macronutrient for plants?
Which of these organisms has a complete digestive tract?
Which is a material that is NOT transported by the hemolymph in insects?
Carbon dioxide, right atrium, right ventricle, pulmonary artery
As a red blood cell leaves the foot moving to the heart, it is carrying ________ gas. It travels through the inferior vena cava, into the __________ of the heart, then into the ________ before heading to the lungs via the _________.
Water is drawn out of the cells into the salty soil, causing them to wilt
During hurricanes, storm surge brings seawater into freshwater marshes and causes massive deaths of marsh plants. Why does this happen?
A muscular pump
Which is a characteristic shared between animals with closed and open circulatory systems?
Decrease, decrease, increase
In a capillary bed in the fingertip nutrient levels _________, oxygen levels ______, and carbon dioxide levels ________ as blood flows from the arterial to the venous ends of the capillary bed.
What path of transport carries minerals through the plasmodesmata of plant cells into the vascular tissue?
Oxygen, left atrium, left ventricle, aorta
As a red blood cell leaves the lungs moving to the heart, it is carrying ________ gas. It travels through the pulmonary vein, into the __________ of the heart, then into the ________ before heading to the body via ___________.
Immune cells and excess blood plasma fluid
What materials does the lymphatic system transport?
High solute concentration in phloem cells draws water out of xylem and directs phloem sap flow to sugar sinks
Xylem and Phloem tissue are often found next to each other in plant tissues, why is that?
Blood pressure can be increased by another passage through the heart
What is the advantage of a double circulation of blood in mammals?
Higher solute concentration draws in water
What is a positive consequence of plants actively pumping ions into their roots?
To control nutrient levels in the blood
What is the general role of the hepatic portal system?
Closing of stomata as plant cells dry AND leaf loss at the start of winter in temperate climates
Which is an adaptation plants have to prevent water loss?
Contains valves that prevent back flow
Which of these characteristics describes veins?
Which element of blood functions mainly to prevent blood cell loss?
Mammals have a gradient of expression across the right and left sides, leading to the growth of two ventricles
According to the study by Bruneau et al, how did expression of the Tbx5 gene affect the evolution of the double system circuit?
Which substance is carried by the blood plasma, but never leaves the capillary?
Which of these cells helps form blood clots when vessels are damaged?
High in minerals
Which characteristic describes xylem sap?
Increases, increases, decreases
In a capillary bed in the intestinal epithelium, levels of glucose ________, carbon dioxide ________, and oxygen __________ as blood passes from the arterioles to the venules.
Specialized channels and transporters control mineral uptake
How do plants prevent toxic metals in the soil from entering the xylem sap?
How is water transported over long distances through plant tissues?
To move water into the root faster than simple diffusion would
Plants have a high number of aquaporins in the cell membranes of their root hairs, what is their function?
Which is a characteristic NOT shared between animals with closed and open circulatory systems?
Higher pressure in systemic circuit
Which characteristic describes arteries?
Which of these is the pulmonary artery?
YOU MIGHT ALSO LIKE...
Bio 104 Exam 2
Biology 104 Midterm
Chapter 7 Review
OTHER SETS BY THIS CREATOR
French Vocab p4
3rd adj quiz
History semester exam
Adverbs wkbk pg369 column 2
OTHER QUIZLET SETS
american gov questions
Chapter 7: Energy Balance & Weight Control
pharm exam 13