Biology
Cell biology, genetics, ecology, and life science fundamentals.
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1. which of the following factors affects the rate of diffusion of a ga…
A. Number of atoms (Note: This might be a flawed question, but based on options, this is a possible intended answer. Alternatively, if considering molecular properties, number of …
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question # 4 fill in the blank complete the following sentence. mary is…
boy (or male)
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question # 3 multiple choice michelle and her husband are trying to con…
C. by Saturday (assuming the options are labeled A: by Thursday, B: a month later, C: by Saturday, D: the following Wednesday)
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question # 3 multiple choice michelle and her husband are trying to con…
A. by Thursday
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question # 3 multiple choice michelle and her husband are trying to con…
by Saturday
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question # 2 multiple choice when does ovulation typically occur? ○ imm…
B. midway between menstrual periods (assuming the options are labeled as A: immediately after conception, B: midway between menstrual periods, C: the day after a menstrual period …
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ustedes que se oponen a la independencia ahora, no saben lo que hacen; …
Para demostrar que incluso los simples pescadores tienen algo importante que aportar a la sociedad.
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what is the name for rbc’s that are sticking together like a “stack of …
Rouleaux (or Agglutination, but Rouleaux is more specific for the stack - of - coins appearance of RBCs)
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74) pectus excavatum is more commonly referred to as: ○ cervical ribs ○…
C. sunken chest (assuming the options are labeled, but from the choices, the correct one is "sunken chest") ### Question 75
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what are reticulocytes?
Reticulocytes are immature red blood cells (erythrocytes) with residual ribosomal RNA/organelles, in the final stage of erythropoiesis before maturing into mature red blood cells;…
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68) ______ are bands of connective tissue that hold bones together. 〇 t…
C. ligaments ### Question 69
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if our patient was chronically iron deficient, what would the wright st…
In a Wright - stained peripheral blood smear of a chronically iron - deficient patient, the red blood cells (RBCs) show **microcytosis** (RBCs are smaller than normal), **hypochro…
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48) what is the strongest tendon in the body? ○ acl ○ extensor indicis …
C. Achilles tendon ### Question 49
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define anisocytosis.
Anisocytosis is the presence of red blood cells of unequal sizes in a blood sample (often assessed in hematology, associated with various hematologic or health conditions affectin…
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what is a major cause of microcytosis?
Iron deficiency (a major cause of microcytosis is iron deficiency, as insufficient iron hinders hemoglobin production, leading to smaller red blood cells)
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what is a major cause of macrocytosis?
A major cause of macrocytosis is a deficiency of vitamin B12 or folate (folic acid), which disrupts normal red blood cell DNA synthesis and leads to the production of abnormally l…
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1. with a scalpel, strip a small, thin, transparent layer of cells from…
If we use the magnification - based approach with a typical low - power diameter of field of 1400 μm (for 10× magnification) and high - power magnification of 40×, the high - powe…
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what is the oxygen carrying compound found in rbc’s
Hemoglobin
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what is the oxygen carrying compound found in rbc’s
Hemoglobin
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b. low-power objective: this lens is longer than the scanning objective…
These questions are related to the use and components of a microscope, which falls under the subfield of Biology (within Natural Science) as it involves laboratory equipment used …
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b. low-power objective: this lens is longer than the scanning objective…
The text provided is a set of instructions and information about the parts of a compound light microscope and the rules for using it, as well as the procedure for focusing it at t…
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a plant that has round and yellow seeds (rryy) is crossed with a plant …
9:16
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parents with the genotypes ao and ab have a child. what are all the pos…
A, AB, B
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which scenario breaks the law of segregation? ○ a gamete contains the f…
a gamete produced has 2 of the same alleles after meiosis II
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a cross is performed between a bird that is homozygous for red feathers…
2 in 4
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cystic fibrosis is a genetic disorder. it is a recessive trait that is …
The child may or may not have the disease because a recessive gene from each parent may be passed on.
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if brian has a son who is color - blind, what is known about the genoty…
She must have at least one allele for color blindness.
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in roses, red flowers and long stems are dominant traits. a rose plant …
100 percent
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who has hemophilia in the pedigree that is shown? ○ john and ann ○ fred…
B. Fred and Luke
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which blood type could be given as a transfusion for patient with ab bl…
D. AB–
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if mendel had crossed a true breeding dominant plant with a true breedi…
D. P generation and \( F_2 \) generation
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which represents the cross between parent plants if one is heterozygous…
A. Yy × yy
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mendel’s pea plants had either purple or white flowers. this means that…
C. have two alleles for the gene.
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what is the probability of the offspring having hemophilia for the cros…
50 percent
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which pedigree symbol is used to represent a female carrier of a recess…
The second option (the circle that is half - colored, e.g., the one with a purple half and a white half)
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what is the probability that a female offspring of the cross that is sh…
100 percent
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which statement about inheritance is true? girls get most of their trai…
C. Fathers always determine the gender of the offspring in humans.
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which is not considered a sex-linked trait? ○ purple flower color in pe…
A. purple flower color in pea plants
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which allele combination represents a female who is a carrier for an x …
A. \(X^{R}X^{r}\)
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which allele combination represents a female who is heterozygous for a …
\( \boldsymbol{X^R X^r} \) (the option with \( X^R X^r \))
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drosophila eye color is an x - linked trait. red eye color is do...ant,…
The Punnett square with male gametes \(X^{R}\) and \(Y\), and female gametes \(X^{R}\) (resulting in offspring \(X^{R}X^{R}\) and \(X^{R}Y\) for all four cells) shows a cross with…
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charles (x^h y), marie (x^h x^h), their child (purple square, ?). what …
0 percent
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what is genotype for a recessive trait found on the female chromosome? …
B. \(X^{h}\)
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9 multiple choice 10 points which theories focus on the recognition of …
B. empowerment
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the pedigree on the right shows the inheritance pattern for an x - link…
Affected female child chance: 50% Carrier female child chance: 50% Child could be standard: False
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the pedigree on the right shows the inheritance pattern for an x - link…
$\boldsymbol{X^{A}X^{A}}$, $\boldsymbol{X^{A}X^{a}}$ (Note: There was a typo in the original option, the correct carrier option is $X^{A}X^{a}$, and $X^{A}X^{A}$ is also a possibl…
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the pedigree on the right shows the inheritance pattern for an x - link…
4 ### Second Sub - Question (Genotype of Circled Male)
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the pedigree on the right shows the inheritance pattern for an x - link…
3
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the pedigree on the right shows the inheritance pattern for an x - link…
5
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read the article and use it to answer the question that follows. sex li…
Women have two X chromosomes. For X - linked recessive traits, they need two recessive alleles to be affected (rare, as they can inherit a dominant allele on the other X), but wit…
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read the article and use it to answer the question that follows. sex li…
Women have two X - chromosomes. For a recessive X - linked trait, they need two mutated X - chromosomes to be affected (rare as they get one X from each parent). With one normal a…
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which of the following cell types are found with multiple myeloma roule…
A. Rouleaux formation
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which of the following indicates sickle cell trait? hb - ss hb - st hb …
C. Hb - SC
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heinz body anemia is associated with what type is cells? stomatocytes d…
B. Degmacytes (assuming the second option is labeled B; if the original options had labels like A, B, C, D with Degmacytes as, say, option B, then the answer is B. Degmacytes)
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which one of the following terms has a nickname of \dracula hormone\? o…
A. Melatonin
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11) the term \ankylosis\ literally means: developing cell/state of croo…
crooked, stiff, bent/condition ### Question 12
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where is the suprachiasmatic nucleus (scn) located? in neurons the amyg…
The hypothalamus
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5) the lungs and heart are found in the: thoracic cavity abdominal cavi…
A. thoracic cavity (assuming the first option is labeled A, adjust label as per actual question's option numbering if different) ### Question 6
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chapter quiz: consciousness total points: --/20 attempt ○ too little sl…
Doing certain activities before bed can disrupt sleep.
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3) a group of myofilaments make up: ○ myofibril ○ endomysium ○ muscle f…
A. myofibril ### Question 4
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doing certain activities before bed can disrupt sleep. the older a pers…
The true statement is: Doing certain activities before bed can disrupt sleep. ### For "Where is the suprachiasmatic nucleus (SCN) located?":
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write out the complete answer for each mini - quiz response. mini quiz …
### Mini Quiz #1 for "What are Enzymes?" 1. A 2. B 3. A 4. A 5. C 6. D 7. B 8. D ### Mini Quiz #2: Specificity 1. active site 2. substrate 3. enzyme 4. products 5. A 6. B ### Mini…
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a successful biologist’s main interest area would be ______. a. the art…
B. scientific
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question 1 of 20 which of the following does not have an impact on a pe…
D. Ethnicity
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quiz! high temperatures, and ph changes can cause an enzyme to denature…
D. It means the enzyme loses its shape and does not function.
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quiz! a type of enzyme-catalyzed chemical reaction that is very common …
D. Hydrolysis
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question 4 of 5 anabolic steroids: a. are only harmful to females. b. a…
C. affect both male and female reproductive organs
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quiz! a type of enzyme-catalyzed chemical reaction that is very common …
A. Condensation or Dehydration Synthesis
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quiz! which of the following graphs best shows the relationship between…
C. The graph with a curve that rises to a peak and then falls, showing the relationship between the reaction rate of an enzyme - catalyzed reaction and temperature (where reaction…
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quiz! a reactant that fits into the active site of an enzyme is called.…
D. a substrate
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mini-quiz: substrate concentration and enzymes was your hypothesis on t…
B. It was partially supported.
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mini-quiz: substrate concentration and enzymes how is enzyme activity a…
B. I and III only
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mini-quiz: substrate concentration and enzymes based on your observatio…
D. I and II only
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enzymes and substrate concentration make a hypothesis about the effect …
If the substrate concentration increases, then the enzyme activity will increase, because a higher substrate concentration provides more substrate molecules to bind with the enzym…
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mini-quiz: ph and enzymes pepsin is an enzyme found in your stomach. th…
C. 2
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mini-quiz: ph and enzymes based off of your observations of the enzyme …
B. The denaturation of this enzyme by pH changes is irreversible. In other words, restoring the pH to an optimal level DOES NOT fix the enzyme's shape.
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mini-quiz: ph and enzymes based off of your observations of the enzyme …
B. The denaturation of this enzyme by pH changes is irreversible. In other words, restoring the pH to an optimal level DOES NOT fix the enzyme's shape.
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write out the complete answer for each mini - quiz response. quiz #1 fo…
Enzymes are biological catalysts (usually proteins, some are RNA like ribozymes) that accelerate chemical reactions in living organisms by lowering activation energy. They are sub…
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mini-quiz: ph and enzymes what is the optimal ph for the enzyme shown b…
B. 8
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mini-quiz: ph and enzymes based off of your observations, which of the …
B. II and III only
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fill in each blank with the correct word. chromosomes are made of segme…
genes
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mini-quiz: temperature and enzymes based off of your observations of th…
B. The denaturation of this enzyme by heat is irreversible. In other words, lowering the temperature DOES NOT fix the enzyme's shape.
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mini-quiz: temperature and enzymes why does the reaction rate slow down…
A. The enzyme loses its shape (denatures) and can no longer effectively catalyze the reaction.
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mini-quiz: temperature and enzymes what is the optimal temperature for …
A. 40 degrees Celsius
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mini-quiz: temperature and enzymes based off of your observations, whic…
C. I and II only
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mini-quiz: enzyme specificity score: 100 % what is the most important f…
B. Enzyme and substrate SHAPE
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mini-quiz: enzyme specificity we say that enzymes are specific. what do…
A. The shape of the enzyme's active site will only catalyze a reaction with a specific substrate or substrates.
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mini-quiz: enzyme specificity these are what you end up with at the end…
Products
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mini-quiz: enzyme specificity the arrow is pointing at a protein that c…
Enzyme
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state of having different size red blood cells is called ________. ○ re…
C. Anisocytosis
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mini-quiz: enzyme specificity the arrow is pointing at the substance th…
Substrate
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let’s see what you already know about this topic. answer this pre-readi…
(Any of the options can be chosen. For example, if we choose Penguin): A. Penguin
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mini-quiz: enzyme specificity the arrow is pointing at a very important…
Active Site
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part 4 of 6 x | y empty cell | -6 undo button, × button try one last ti…
1
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which of the following is the red blood cell count reference range for …
C. 4.0 - 5.5 million (assuming the options are labeled A, B, C, D with A: 4.5 - 6.0 million, B: 5.5 - 7.0 million, C: 4.0 - 5.5 million, D: 3.5 - 5.0 million)
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which of the following is the oxygen carrying compound found red blood …
B. Hemoglobin
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which of the following best matches the description? process whereby pl…
e. photosynthesis
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which of the following best matches the description? protein molecule t…
j. enzyme
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the chemical reactions that occur in living things are regulated by pro…
c. enzymes.
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when making ethical decisions about environmental issues it is importan…
b. All of the options involve ethical decisions.