Biology
Cell biology, genetics, ecology, and life science fundamentals.
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which organisms replicate cells by mitosis? a) animals and bacteria b) …
B. animals and plants
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what is the result if you cross a homozygous red flower (rr) with a hom…
You would produce pink flowers.
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what do we call a magnified image of chromosomes arranged by size? mri …
karyotype
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what do we call chromosome pairs 1 - 22? gametes karyotype autosomal ch…
Autosomal chromosomes
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if this man had a son, what sex chromosome did he give the son? neither…
only Y
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question 8 of 25 what function does the enzyme dna ligase perform in dn…
B. It connects sugar-phosphate groups to form a continuous backbone for each DNA strand.
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if this woman has a son, what sex chromosome would she give her son? ne…
X
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what does it mean if the 23rd pair of chromosomes reads xy in humans? f…
male
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question 7 of 25 how does the structure of dna help prevent errors from…
D. Due to the complementary nature of base pairing, elongation is paused when DNA polymerase adds the wrong nucleotide.
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what do we call the process when two dominant alleles are expressed and…
codominance
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question 6 of 25 which statement describes the difference between domin…
C. A recessive trait is completely masked by a dominant trait, but incomplete dominance produces a blend of the two traits.
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chromosomes are always paired. how many pairs of autosomal, or non - se…
22
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males have both an x and a y chromosome. their gametes have either an x…
The man gave his son the Y chromosome.
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question 5 of 25 which statement best describes how a gene carries the …
D. A gene is a section of DNA with instructions for assembling amino acids to make proteins.
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females have two x chromosomes. their gametes will have one x chromosom…
X chromosome
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question 4 of 25 what is one function of noncoding dna? a. to connect t…
D. To protect regions of coding DNA from damage
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read the following evidence and viewpoint. evidence: studies have shown…
The fourth option (assuming it correctly links the 4.6 - second distraction evidence to the cell - phone - use - while - driving viewpoint).
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station 3: forming monomers and polymers watch the video linked on the …
15a. - Monomer: Amino acid - Polymer: Protein (e.g., enzyme) 15b. - Monomer: Monosaccharide (e.g., glucose) - Polymer: Polysaccharide (e.g., starch) 16. Biological polymers form t…
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question 3 of 25 what was the significance of hershey and chases findin…
A. They provided evidence that DNA carries heritable information.
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select the text from the paragraph that best helps you understand that …
"carefully kept notes"
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read the passage and then answer the question. gregor mendel, an early …
thoroughly or exactingly
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genes can sometimes be exchanged between homologous chromosome pairs. t…
B. Crossing - over contributes to genetic diversity or variation.
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question 2 of 25 which feature of dna allows it to be copied? a. its nu…
C. Each of its strands can be used as a template.
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which of the following contributes to genetic variability within a popu…
D. Ⅰ, Ⅱ, and Ⅲ only
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which is the #1 reason for the loss of biodiversity? habitat loss pollu…
habitat loss
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question 1 of 25 what did oswald avery discover that changed scientists…
A. Heritable information is carried by DNA and not by proteins or RNA.
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scientists know that organisms that are more closely related will have …
D. alligator and earthworm
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o1 the international space station (iss) orbit the earth at about 27,67…
A. Orbital speed ### Q2
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which type of species will have the best chance of surviving changes ca…
generalists
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habitat loss is a major reason for the loss of biodiversity. which of t…
human population growth
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which species are especially vulnerable to changes in habitat and habit…
specialists
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what term do we use to describe the variety of species in an area? over…
Biodiversity
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humans possess two alleles, or variations, for each gene. the alleles m…
D. an increase in genetic variation
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the good, the bad, and the future which are possible negative consequen…
Non - target organisms may be harmed by certain GMOs, Genes from GMOs may escape.
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question 10 of 10 in pea plants, the allele for yellow seeds (y) is dom…
C. 3:1
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how did ethical beliefs play a part in the implementation of golden ric…
People supported golden rice because it helped solve food and nutrition problems.
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question 9 of 10 eye color in fruit flies is a sex - linked trait. red …
A. 2:0:1:1
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a tortoise, bernard, starting at point a travels 12 m west and then 150…
\(11.85m\)
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two types of ornamental grass are being grown at a research center. the…
\(3\)
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make sure you can read in each trial, you will add an indicator to the …
to match the mystery food sample to a definite positive result (gelatin, oil, etc.) to match the mystery food sample to a definite negative result (water)
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question 8 of 10 this diagram is a genetic map that shows the relative …
A. S and B
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a tortoise travels 15 meters (m) west, then another 13 centimeters (cm)…
\(15.13m\)
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question 7 of 10 why do alleles from genes that occur on the same chrom…
D. Parental pairings of alleles can be split up during crossing over.
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question 6 of 10 blood type is a characteristic that has multiple allel…
D. 0.00
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question 5 of 10 in a species of snails, the allele for pink - colored …
A. 0.75
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which is a field that emerged from the human genome project? bioinforma…
bioinformatics
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what percentage of the human genome did the human genome project state …
2%
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question 4 of 10 what kind of trait is illustrated in the diagram? lege…
A. Sex - linked recessive
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what is genomics? a field that combines multiple study areas to process…
a field for the collection, organization, and interpretation of biological data
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question 3 of 10 color - deficient vision is a sex - linked recessive t…
A. 0.50
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what is the human genome project? a project started by scientists to ma…
a project started by scientists to map and sequence the entire human genome
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question 2 of 10 in carnations, the alleles for flower color exhibit in…
D. 1 RR: 2 RW: 1 WW
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which option states two fields that make up bioinformatics? biology and…
biology and computer science
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organisms with traits that are well suited to an environment tend to su…
D. natural selection
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what is a linkage map? a map to show how the inherited traits could be …
a map to show how the inherited traits could be tracked over generations
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some species that appear to be very different from other species can ac…
A. vestigial structure
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no exchange of genetic material among organisms sex cells - sperm and e…
- Asexual reproduction: no exchange of genetic material among organisms, offspring come from one parent only, offspring are identical to the parent, no genetic variation in the of…
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an individual hydra is swept by an ocean current to an area of the ocea…
D. No, there is no genetic variation upon which natural selection can operate
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what did the human genome project provide the world with? a comprehensi…
a detailed instruction booklet for human development and function
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question 10 of 10 humans can have many different eye colors, but the mo…
A. Polygenic inheritance
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anatomical structures, including homologous, analogous, and vestigial s…
C. structures with different evolutionary origins but similar functions
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question 8 of 10 a cow is heterozygous for black coat color, which is d…
A. An allele for the black coat trait moves into one gamete, and an allele for the red coat trait moves into the other gamete.
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conservation efforts aimed at protecting biodiversity may involve vario…
establishing protected areas like national parks, wilderness areas, and wildlife refuges
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question 8 of 10 a cow is heterozygous for black coat color, which is d…
A. An allele for the black coat trait moves into one gamete, and an allele for the red coat trait moves into the other gamete.
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multiple choice 1 point which of the following statements is not direct…
Populations of the same species that are close together are always genetically identical.
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question 7 of 10 in pea plants, the allele for a tall plant is dominant…
A. The plant's phenotype is short, and its genotype is \( tt \).
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the loss of biodiversity can lead to several negative consequences. how…
It can disrupt food webs and trophic interactions, leading to the extinction of some species.
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read the newsela article on common types of asexual reproduction to ans…
It results in a lack of genetic variation.
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what is the basic unit of mass in the international system of units? ou…
- First question: kilogram - Second question: SI
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question 5 of 10 which statement best describes how the law of independ…
B. The alleles for different genes are sorted separately during gamete formation.
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read the newsela article on common types of asexual reproduction to ans…
Development of an unfertilized egg into a new organism
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what is the term used for the loss of a huge number of species in a sho…
mass extinction
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read the newsela article on common types of asexual reproduction to ans…
Binary fission
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question 5 of 10 which statement best describes how the law of independ…
B. The alleles for different genes are sorted separately during gamete formation.
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biodiversity is defined by three diversity components: 1: species diver…
genetic diversity
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question 4 of 10 sheep can have black wool or white wool. why might two…
A. The two sheep have different alleles.
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read the newsela article on common types of asexual reproduction to ans…
Growth of a new individual from a detached part of the parent.
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biodiversity is defined by 3 things: 1: species biodiversity 2:? 3: gen…
Ecosystem Biodiversity
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question 19 of 20 how were indigenous groups in the new nation affected…
B. The Treaty of Paris failed to include any provisions for Indigenous groups, and their lands were given to the United States.
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read the newsela article on common types of asexual reproduction to ans…
A part of the parent breaks off and grows into a new organism
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question 3 of 10 which cross could be used to determine whether two tra…
A. A plant that is true - breeding for constricted yellow pods is crossed with a plant that is true - breeding for smooth green pods.
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question 2 of 10 what should you expect to observe from a dihybrid cros…
A. An \( F_1 \) generation that shows only the dominant phenotype for each trait
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read the newsela article on common types of asexual reproduction to ans…
Survive harsh environmental conditions
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read the newsela article on common types of asexual reproduction to ans…
hydra
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question 1 of 10 how are traits and alleles related? a. traits are the …
B. Alleles and traits are both coded for by specific genes.
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read the newsela article on common types of asexual reproduction to ans…
mitosis
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question 14 of 20 which statement best completes the timeline of events…
D. The Battle of Saratoga: The British are forced to abandon the northern strategy.
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question 10 of 10 human somatic cells contain 46 chromosomes. how many …
D. 23
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which factor created tension between the united states and britain, ult…
D. Impressment of sailors on American ships by the British navy
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read the newsela article on common types of asexual reproduction to ans…
one
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question 9 of 10 the table shows the chromosome numbers for four differ…
B. Chicken
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read the newsela article on common types of asexual reproduction to ans…
Asexual reproduction
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examine the model. which statement best describes the process shown in …
C. It shows crossing over, in which non - sister chromatids exchange corresponding sections of DNA during meiosis.
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question 7 of 10 how does independent assortment occur during meiosis? …
D. During metaphase I, chromosome tetrads line up randomly so that when they are pulled apart, they separate in different combinations.
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one factor that led to the british losing to the patriots in the revolu…
A. the British often had their supply channels interrupted.
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ordering 1 points below are species from a simplified phylogenetic tree…
1. Crocodiles, 2. Pterosauromorpha, 3. Turtles, 4. Lizards and Snakes
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multiple choice 1 point the dna of wolves from 2 different packs shows …
They are geographically close, allowing more gene flow, or sharing.
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question 6 of 10 what happens to the chromosomes of diploid parent cell…
D. The chromosomes are divided twice: first by separating pairs of homologous chromosomes, and then by separating sister chromatids.
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speeds up chemical reactions. makes up plant cell walls. insulates agai…
Speeds up chemical reactions - Protein, Makes up plant cell walls - Carbohydrate, Insulates against heat loss - Lipid.
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matching 2 points match each function, or job, with the macromolecule t…
1. Store energy for later use - Lipid 2. Main source of energy - Carbohydrate 3. Transports chemicals into and out of cells - Protein 4. Stores information for building proteins -…