Biology question and answers for June 26, 2024
- Q In humans identical twins are possible because OA of the heterogeneous distribution of cytoplasmic determinants in unfertilized eggs B of interactions between extraembryonic cells and the zygote nucleus C the...
- Q Which of the following is TRUE about apoptosis A Essential for the development in animals B lack of apoptosis can lead to developmental defects C Apoptosis leads to the presence...
- Q Cells move to new positions as an embryo establishes its three germ tissue layers during A determination OB cleavage C fertilization E gastrulation
- Q As an embryo develops after fertilization occurs new cells are produced as the result of OA differentiation B preformation OC mitosis D morphogenesis
- Q Match the terms below with the statement that describe them below Totipotent stem cell Unipotent stem cell Multipotent cells Choose Cell has the capacity to differentiate into only one cell...
- Q During fertilization the acrosomal contents A block polyspermy B help propel more sperm toward the egg C digest the protective coat on the surface of the egg D nourish the...
- Q Cadherins and other cell adhesion molecules that guide cell migration are A steroid hormones B glycoproteins C fatty acids D prostacyclins
- Q The vegetal pole of the zygote differs from the animal pole in that A the vegetal pole has a higher concentration of yolk OB the blastomeres originate only in the...
- Q Fertilization normally A reinstates diploidy OB follows gastrulation OC is required for parthenogenesis D merges two dipoloid cells into one haploid cell
- Q The fast block to polyspermy is due to A a depolarization of the egg cell membrane B the consumption of yolk protein C the jelly coat blocking sperm penetration D...
- Q The cortical reaction functions directly in the A formation of a fertilization envelope B production of a fast block to polyspermy C release of hydrolytic enzymes from the sperm cell...
- Q From earliest to latest the overall sequence of early development proceeds as follows OA gastrulation organogenesis cleavage formation of the blastula B ovulation gastrulation fertilization C cleavage gastrulation organogenesis D...
- Q 1 A new drug is developed which selectively cleaves covalent bonds between two sulfur atoms of non adjacent amino acids in a polypeptide chain Which level of protein structure in...
- Q Brain size is important for understanding intelligence but there are several caveats that indicate that brain organization and learning experiences are more important than brain size alone For example check...
- Q C Protein glycosylation D Alpha helix formation 38 Certain bacteria synthesize toxic proteins which are responsible for many of the problems they cause in humans If you were to develop...
- Q Heavy brow ridges in Homo heidelbergensis do not appear to have any obvious adaptive purpose It seems likely that these exceptionally large brow ridges may instead be largely the product...
- Q Understanding the history of biological anthropology is important because All sections O The history of knowledge and past research is what drives the current research questions e g fossil research...
- Q Paranthropus or the robust Australopiths was check your answer in Section 5 O adapted for eating a specialized diet hard or gritty foods found in Asia contrary to what researchers...
- Q 7 A certain genetic disorder prevents the production of signalling molecules which direct the intracellular trafficking of proteins If the disease exclusively affects the signal which directs proteins to the...
- Q 2 A group of researchers isolate Protein X from the wall of a human stomach with the intent of learning how to synthesize stomach tissue in the lab Subsequently they...
- Q 5 The major protein component of human hair is a keratin Hair straighteners are commonly used tools which use heat to iron hair into temporarily lying flat and straight What...
- Q 4 What relative change in protein concentrations would most be the most direct result of a disease which halts the function of the rough endoplasmic reticulum A Increased concentrations of...
- Q 3 Albumin is a large protein which circulates freely in human plasma Another type of protein called aquaporins act as a channel for water to enter and exit a cell...
- Q Which term refers to a specific form of a gene cross O allele O hybrid trait
- Q The parent plants used in a cross are referred to as the F1 generation True False
- Q A Punnett square is a diagram of an individual s ancestors used in human genetics to analyze the Mendelian inheritance of a certain trait O True O False
- Q Autosomal inheritance refers to the inheritance of alleles located on sex chromosomes O True O False
- Q An allele that if present is always expressed is called a recessive allele True False A n allele is the offspring of two different true breeding plants True 4 False...
- Q P generation refers to the offspring of an F1 generation cross True False
- Q A monohybrid cross is a cross designed to study the inheritance of only one 1 point trait O True O False
- Q A Punnett square is a tool used for determining the probability of a single offspring having a particular genotype True False
- Q How many alleles do your cells have for each gene 2 4 O 1 3
- Q Which term refers to an individual s outward appearance with respect to a specific characteristic phenotype heterozygous genotype homozygous
- Q A garden pea plant possesses one allele coded for yellow seed colour and one allele coded for green seed colour Which statement is true The individual is homozygous for the...
- Q Which statement s is are true about heredity Each parent passes on to its offspring two alleles for each gene Recessive alleles when present are always expressed in the phenotype...
- Q Which term refers to the allele that if present is always expressed O dominant allele O X linked Orecessive allele Y linked
- Q A garden pea with a purple flower is crossed with a garden pea with a white 1 poi flower and produces offspring all of which have purple flowers The offspring...
- Q The gene for stem length in a garden pea plant results in either tall or dwarf 1p stems with tall being the dominant trait Pretend you are a geneticist and...
- Q Cystic fibrosis is a recessive autosomal trait What is the probability of two heterozygous parents Ff conceiving a child with Cystic fibrosis ff 18 75 56 25 O 75 25
- Q Which term describes an individual that carries two of the same alleles for a given characteristic phenotype heterozygous homozygous genotype
- Q EST 2 1 The steepest angle material remains stable on a slope is a A daylight bed b Completely dependent on the water absorbed by slope c The angle of...
- Q I have taken four good professors at this college Mr Smith Mrs Ortiz Dr Willard and Ms Richard therefore I can conclude that the professors at this college are good...
- Q 1 In tigers a recessive allele causes a white tiger the absence of fur pigmentation If two phenotypically normal tigers that are heterozygous at this recessive gene are mated what...
- Q 2 In a cross between two heterozygotes Aa the next generation will be A all homozygotes B in the ratio 1 3 heterozygotes to homozygotes C in the ratio 1...
- Q E codominance 6 Male pattern baldness is a recessive sex linked trait on the X chromosome A woman whose father had male pattern baldness marries a man with this trait...
- Q 4 In rabbits the homozygous CC is normal Cc results in deformed legs and cc results in very short legs The genotype BB produces black fur Bb brown fur and...
- Q 5 An individual with naturally curly hair and an individual with naturally straight hair mate all of the offspring have naturally wavy hair What is the relationship between the alleles...
- Q 3 A man and a woman have blood types A and B respectively Both have one parent with O blood type What is the probability that the man and woman...
- Q Transgenic Bt crops have been genetically modified to O produce an insecticide O be tolerant of salt in the soil O have increased protein content Resistance to common herbicide
- Q 9 Stem cells are
- Q 8 Transgenic plants produced by biotechnology contain fewer introduced genes than altered plants obtained by traditional breeding methods True
- Q 5 What is one advantage of using transgenic plant cells to produce human proteins for hormone replacement therapy Plant cells are less expensive to grow than other cell types O...
- Q 4 During gel electrophoresis DNA fragments are separated by size O True False
- Q 2 Plasmids are short sequences of DNA used as primers in PCR O False O True O
- Q In recombinant DNA techniques the gaps in the paired DNA fragments are closed by O DNA ligase O Restriction Enzyme O DNA replicase O DNA Polymerase
- Q 1 A restriction enzyme is a O bacterial enzyme that cuts DNA at specific sites O viral enzyme that randomly cuts DNA bacterial enzyme that functions in DNA replication O...
- Q 1 What are the three ethnic groups that we focus on in Southwest Asia 2 What are the three religious groups that we focus on in Southwest Asia 3 What...
- Q he Burning of our House ly 10th 1666 y Anne Bradstreet I took ot look nd ring noise dreadful voice Firel and Firel desire did spy rt did cry Distress...
- Q A horse eating some hay is an example of an autotroph eating a producer an autotroph eating a consumer a consumer eating a producer O O a consumer eating a...
- Q 9 What is one concern with the use of genetically engineered herbicide tolerant crops decreased yields potential allergic reactions a b C d e transfer of herbicide resistance to weeds...
- Q 6 What is one concern with the use of genetically engineered herbicide tolerant crops decreased yields potential allergic reactions transfer of herbicide resistance to weeds a b C d D...
- Q 5 Transgenic Bt crops have been genetically modified to a b C d e resist common herbicides have increased protein content produce an insecticide be tolerant of salt in the...
- Q 8 Golden rice contains a transgene that allows for increased production of vitamin A a b True False
- Q 6 What is one concern with the use of genetically engineered herbicide tolerant crops decreased yields potential allergic reactions transfer of herbicide resistance to weeds a b C d D...
- Q Which of the following occurs when the Sun Moon and Earth are in alignment OA No tidal bulges occur B A lower tidal range occurs OC A higher tidal range...
- Q A n that its gradient is adjusting to carry the sediment load A ungraded B equilibrium C graded D disequilibrium stream is actively eroding or depositing material in its channel...
- Q The worldwide average salinity of seawater is A 10 OB 5 OC 3 5 D 20
- Q 5 Select four cards to create a food chain starting with a producer Label the trophic level of each organism in your food chain as follows producer primary consumer secondary...
- Q estment have decreased by 2 million If no other line items such as ports for a small country have increased by 4 million consumption government spending and import change how...
- Q employment government spending tax revenues inflation Question 46 2 points Saved 4 Listen When the general price level in our economy increases which of the following effects does NOT occur...
- Q tradition religion command market Question 39 2 points Saved 4 Listen What is NOT the example for the group not in labor force discouraged workers
- Q B goods and services in each year multiplied by each year s price index the output of goods and services in each year multiplied by the prices in the base...
- Q Output Income 1000 2000 3000 4000 5000 6000 7000 Consumption ent 3000 1000 2000 6000 7000 4000 5000 900 1700 2500 3300 4100 4900 5700 500 500 500 500 500...
- Q m rket economic system an economy is largely dis embedded from political or social institutions the important consequence of the right of private property is that it investment innovation exchange...
- Q The main function of cellular respiration is breaking down toxic molecules making ATP that powers cell activities making food breaking down ATP so that ADP and P can be reused...
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