Biology
Cell biology, genetics, ecology, and life science fundamentals.
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multiple choice question fetuses that show fewer negative effects of ma…
O genotype
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for bacterial cells, the cell envelope layer that lies just outside the…
B. cell wall
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2. match: read about each organelle. then match each organelle to its f…
To solve this organelle - function matching problem, we analyze each organelle and its corresponding function description: ### 1. Cytoplasm The function description for cytoplasm …
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the bacterial cell wall is composed of a complex of sugars and amino ac…
D. peptidoglycan
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multiple choice question which type of transporter is best described as…
C. ABC transporter
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select all that apply in general, peptidoglycan is composed of ______. …
A. amino acids, C. sugars
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multiple choice question angiotensin-converting enzyme (ace) inhibitors…
O in the second and the third trimesters
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in the pts group translocation mechanism, glucose is transported into t…
the addition of a phosphate
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select all that apply which two of the following are the sugar monomers…
C. N - acetylmuramic acid, D. N - acetylglucosamine
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multiple choice question which of the following describes the chemical …
D. Group translocation
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multiple choice question which of the following cell types would normal…
B. Gram - negative
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during secondary active transport, when ions move parallel to the movem…
B. symport
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multiple choice question which of the following is the most important f…
○ maternal smoking
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the location of the cell wall is ______. just outside the plasma membra…
A. just outside the plasma membrane
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multiple choice question transport of molecules across the membrane usi…
D. secondary active transport
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which two of the following are features of abc transporters? composed e…
D. contain a cytoplasmic domain that binds ATP, E. span the plasma membrane
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multiple choice question the transfer of phosphate from phosphoenol pyr…
B. phosphorelay system
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which transport mechanism uses atp - binding cassette transporters? - p…
B. Primary active transport
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one distinguishing characteristic of group translocation is that ______…
the molecules transported are chemically modified
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multiple select question select all that apply which two terms describe…
B. Uniporter, C. ABC transporter
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multiple choice question during secondary active transport, when ions m…
B. antiport
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multiple choice question which of the following uses atp to move substa…
A. Primary active transport
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multiple choice question which of the following transport mechanisms re…
C. Secondary active transport
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active transport and facilitated diffusion are similar because they bot…
A. use proteins to move materials across a membrane
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multiple choice question which type of transporter is best described as…
A. ABC transporter
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multiple choice question in active transport, the \active\ refers to __…
C. the use of energy by the cell to power the movement of molecules across a membrane
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atp - binding cassette transporters are also known as transporters. (hi…
ABC
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multiple choice question if the concentration of solute drops, how does…
C. It slows down
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multiple choice question most primary active transport systems are ____…
C. uniporters (assuming the options are labeled A: symporters, B: antiporters, C: uniporters; if original labels differ, adjust to match, but based on content, the correct option …
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select all that apply which three of the following are growth factors? …
- Some amino acids - Purines and pyrimidines - Vitamins
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during primary active transport, ______ powers the movement of solute a…
D. ATP
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1. the lymphatic system functions to _____. a. distribute hormones and …
D. A, B, and C are correct answers. ### Question 2
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multiple choice question which mechanism of solute transport is illustr…
facilitated diffusion
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active transport and facilitated diffusion are different because active…
B. uses ATP to power the movement of materials across a membrane
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which of the following statements regarding carrier - mediated facilita…
B. The carrier protein moves solute molecules against a concentration gradient.
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fill in the blank question the use of atp to power the movement of subs…
active
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multiple choice question which of the transport mechanisms relies only …
B. Passive diffusion
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the plateau in this line represents the saturation effect that is seen …
B. Both mechanisms slow (assuming the option with "Both mechanisms slow" is the correct one; based on the analysis, both passive and facilitated diffusion rates decrease when solu…
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multiple choice question rachel and avi have a family history of tay - …
O genetic counseling
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multiple choice question angiotensin - converting enzyme (ace) inhibito…
O in the second and the third trimesters
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multiple choice question which of the following connects the developing…
umbilical cord
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multiple choice question examine this image of a carrier protein transp…
The ATP required for transport is hydrolyzed on the cytoplasmic face of the carrier protein.
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proteins characterized as channels and carriers are ______. attachment …
B. transport proteins
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multiple choice question a carrier protein that transports solute molec…
A. two; it needs to bind solute outside the cell and then release it in the cytoplasm
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multiple choice question the movement of molecules across a membrane wi…
A. facilitated diffusion
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multiple choice question what is the process of the zygote attaching to…
B. implantation
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select all that apply which of the following are transport mechanisms u…
A. Secondary active transport B. Facilitated diffusion C. Passive diffusion D. Osmosis
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how dna is copied 4. what does it mean that the two strands of dna are …
It means that the nitrogenous bases of the two strands pair in a specific way: adenine (A) pairs with thymine (T), and guanine (G) pairs with cytosine (C). So the sequence of one …
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multiple choice question the plateau in this line represents the satura…
It slows down
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select all that apply which three of the following substances cross a m…
Carbon dioxide, Oxygen, Water
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multiple choice question the ______ principle is named for the latin ph…
B. cephalocaudal, proximodistal
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select all that apply which three of the following are growth factors? …
- Zinc - Vitamins - Some amino acids
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multiple choice question which of the following describes proteins that…
Channels and carriers
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multiple choice question molecules crossing a plasma membrane from a __…
A. high / low
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multiple choice question during facilitated diffusion, substances move …
high / low
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bacterial cells uptake nutrients that are dissolved. true false need he…
True
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multiple choice question which of the transport mechanisms relies only …
A. Passive diffusion
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multiple select question select all that apply a genetic counselor’s pr…
- taking prospective parents' family histories - helping prospective parents assess their risk of bearing children with genetic or chromosomal deficiencies - avoiding discussions …
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multiple choice question substances like oxygen, carbon dioxide and wat…
passive diffusion
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compounds considered to be growth factors ______. can be synthesized by…
D. are acquired from the environment
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fill in the blank question the is a life - support system that transpor…
placenta
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compounds such as essential amino acids are considered ______. micronut…
macronutrients
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the movement of molecules across a membrane that does not require cellu…
B. passive diffusion
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match the prenatal stage with the term that is used to describe the gro…
- zygote → germinal stage - embryo → embryonic stage - fetus → fetal stage
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zinc, cobalt, molybdenum, nickel, and copper are examples of ______. op…
D. micronutrients
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multiple choice question bacterial cells acquire nutrients that are ___…
A. dissolved
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fill in the blank question approximately 6 days after conception, takes…
Implantation
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elements such as carbon, oxygen, hydrogen, nitrogen, sulfur, and phosph…
D. macronutrients
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select all that apply which of the following are transport mechanisms u…
A. Passive diffusion, B. Facilitated diffusion, C. Osmosis, D. Secondary active transport
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multiple choice question what is reaction range? - limitation on varian…
potential variability, depending on environmental conditions, in the expression of a hereditary trait
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which of the following is true regarding macronutrients and micronutrie…
C. Macronutrients are substances needed in large quantities.
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multiple choice question according to the ____ principle, development b…
O cephalocaudal; proximodistal
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multiple choice question behavioral genetics is a study of the relative…
environmental
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compounds that must be acquired from the environment for cell survival …
D. growth factors
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18. analyze and persevere scientists study ways to increase the populat…
72000 salmon eggs
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multiple choice question rachel and avi have a family history of tay - …
O genetic counseling
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multiple choice question the pattern of inheritance in which a child re…
O incomplete dominance
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fill in the blank question genes that produce alternative expressions o…
alleles
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which of the following act as transporters for nutrients to cross the p…
C. Integral proteins
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select all that apply which three of the following are growth factors? …
- Vitamins - Purines and pyrimidines - Some amino acids
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multiple choice question in membranes, lipids associate ______. - hydro…
hydrophobic tail to hydrophobic tail
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multiple choice question\ which term describes the potential degree of …
reaction range
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multiple choice question elements required in low concentrations for ce…
D. micronutrients
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true or false question behavioral genetics is a quantitative approach t…
True
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multiple choice question the hydrophilic portion of this phospholipid i…
A. A
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multiple choice question macroelements include which of the following? …
Carbon, sulfur, oxygen, nitrogen, phosphorus, and hydrogen
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the tails of a phospholipid are nonpolar. their insolubility in water i…
Hydrophobic
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select all that apply which three of the following are macronutrients? …
- Oxygen - Carbon - Sulfur
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multiple choice question this image illustrates the membrane component …
B. phospholipid
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multiple choice question integral proteins tend to make excellent _____…
transporters, because they span the plasma membrane
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multiple choice question plasma membranes are organized by having _____…
two lipid layers
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multiple choice question phospholipids in membranes associate with ____…
heads
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multiple choice question which type of lipids compose a bacterial plasm…
C. Phospholipid
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multiple choice question which term describes the polar head of a phosp…
Hydrophilic
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what term is used to describe the plasma membrane and all layers extern…
Cell envelope
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multiple choice question which of the following describes how the phosp…
Hydrophobic
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which of the following cellular components is found in plant cells but …
B. Nucleus
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multiple choice question plasma membranes are made of proteins and ____…
D. phospholipids
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passage 2 one of the oldest literary works in the world is the epic sag…
A. Passage 2 provides a historical context of a phenomenon described in Passage 1
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multiple choice question a mycelium consists of a network of long branc…
O hyphae