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Bio 1100 Exam 1 LATEST
QUESTIONS AND VERIFED
ANSWERS 100%
GUARANTEED PASS
How many potential hydrogen bonds can one molecule of ethanol form? -
correct answer 2
What type of transport is involved in increasing the acidity of you stomach? -
correct answer active transport
What level of protein construction involves the linking together of multiple
three dimensional protein molecules? - correct answer quaternary
Production of cholesterol (a steroid molecule) is one important function of the
liver. Where in the liver this occurring? - correct answer smooth ER
E. coli is a common bacteria that lives inside intestines and often ends up on
fresh produce such as spinach. You remember from biology that it - correct
answer is in the domain prokarya, has no nucleus, no membrane bound
organelles, but has an extra loop of DNA Which of the following cellular structures are found in both plant and animal
cells? - correct answer mitochondria, cell membrane, ribosomes
What does NuSI stand for? - correct answer Nutritional Science Initiative
Which of these food components would pass through the human digestive
tract with the least amount of digestion? - correct answer cellulose
Which of the following molecules is involved in receptor mediated
endocytosis? - correct answer LDL
Which of the following classification of lipids is involved in hormonal
regulation? - correct answer sterols
In a double blind study a number of people were given Echinacea to study its effects on the common cold. Another group of people were given a placebo.
The placebo group is known as: - correct answer the control group
What type of bond is formed between two hydrogen atoms to create
hydrogen gas? - correct answer non-polar covalent
What cellular structures/adaptations do sperm most utilize to ensure they
reach the drifting egg? - correct answer flagella, mitochondria
The "rough" in rough ER refers to the affinity that this structure has for what
cellular structures? - correct answer ribosomes
A mutation occurs in the genes of a bacterial cell, preventing it from forming
pili. What function will this cell be unable to perform? - correct answer
attachment to a surface/organism
Which of the following has a higher boiling point? - correct answer water
The genetic disease that results in over-accumulation of lipids and the subsequent failing of lysosomes and their bursting open is known as: -
correct answer Tay-Sachs disease
Which of the following lipoprotein molecules enables the most efficient transportation of lipids (fats), such as cholesterol, phospholipids, and triglycerides, within the water around cells and in the bloodstream? -
correct answer HDLs
A mesh tube or scaffolding inserted into and left inside the heart - correct
answer stent
Which of the following elements are found in proteins? - correct answer all
of the above The primary carb plants use for cell walls is ________ and the carb they
produce for long-term storage is _________ - correct answer cellulose; starch
maintaining of a stable internal environment - correct answer homeostasis
what does Euclid the Euglena have that is found in plants? - correct answer
chloroplasts
create ATP - correct answer mitochondria
What do Tums do to the pH in your stomach? - correct answer increases pH
and decreases acidity
what does Euclid the Euglena not have that is comonly found in plants? -
correct answer Cell wall and central vacuole
Which of the following is not true about eukaryotes? - correct answer they
are all multicellular Insects in the family Gerridae (water striders) have the ability to walk on water. Which physiological adaptations do water striders likely have? -
correct answer hydrophobic legs, waxy chitonous legs
Your roommate has an infection and went to the Brocker Health Center for antibiotics. Three days later, after taking the antibiotics, he isn't feeling any better and returns to the doctor. The doctor tells him that the bacteria causing the infection must be resistant to the antibiotic being used. You know
that the bacterial structure that could cause this problem is the - correct
answer plasmids
The polarity of water provides for many unique properties of water. Which of
the following is NOT a property of water? - correct answer increased
density at zero degrees Celsius Two drugs are known to disrupt the cytoskeleton within a eukaryotic cell, such as an amoeba. Which cell function would be MOST affected by addition
of these drugs to an amoeba? - correct answer the ability of the amoeba to
crawl, change shape, and move it's organelles around
Which of the following is not a characteristic of carbohydrates? - correct
answer used for support, metabolic processes, motion, transport and
defense
A potential new organism has been discovered. Which of the following would
be the most conclusive in confirming it is a life form? - correct answer
detection of cells Which of the following intracellular junctions would allow for signal molecules to be passed between adjacent animal cells that need fast communication
like heart and nerve cells? - correct answer gap junctions
Endosymbiosis is the best explanation for - correct answer appearance of
mitochondria and chloroplasts in eukaryotes Food enters your mouth and reaches your small intestine. What chemical process uses water to break down polymers into smaller more bioavailable
chemical subunits? - correct answer hydrolysis
Eye wash stations are found in many biology labs in case any irritable substance comes into contact with the eyes. What property of water allows
for the irrigation and removal of an irritable substance? - correct answer
good solvent Which of the following is a correct statement concerning the difference
between saturated and unsaturated fats? - correct answer saturated fats
are composed of fatty acids with single covalent bonds between the carbon atoms, whereas unsaturated fats have one or more double bonds
A nucleotide is to a nucleic acid as: - correct answer an amino acid is to
protein One area of organism classification depends upon whether cells are prokaryotic or eukaryotic. The primary difference between these groups is: -
correct answer the presence of membrane bound organelles
