Biology
Cell biology, genetics, ecology, and life science fundamentals.
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what does uvb primarily affect in humans? superficial skin layers inter…
superficial skin layers
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read this passage about two inherited traits in barnyard grass plants. …
Having drooping leaves was *less* advantageous than having upright leaves after the environment changed. So, genes for drooping leaves were passed on with *lower* frequency than t…
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read this passage about two inherited traits in barnyard grass plants. …
The percentage of grass plants with upright leaves increased in the population. This suggests that grass plants with upright leaves were more likely to survive and reproduce than …
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the hardy - weinberg equation $(p + q)^2 = p^2 + 2pq+q^2 = 1$ $p=$ freq…
\(p=\) frequency of dominant allele in a population; \(p^{2}=\) equilibrium frequency of homozygous dominant genotype; \(q=\) frequency of recessive allele in a population; \(q^{2…
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analyze dialect read the dukes advice to huck. wait till now till you g…
His informal language suggests that he might not really be an upper - class duke.
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part i: matching- match the term to the image it goes with it. allied p…
Allied Powers - C, Central Powers - B, U - boats - E, Lusitania - A, Zimmermann Telegram - I, Sussex Pledge - D, Archduke Franz Ferdinand - G, Preparedness Movement - J, "He Kept …
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early republic unit test based on evidence from your text, why did wash…
The nation could not afford another war so soon after the Revolution.
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cycle). 8. the krebs cycle and the electron transport chain take place …
mitochondria
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what characterizes a type 1 survivorship pattern? high percentage of in…
high percentage of individuals reaching adulthood
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in a type 3 (early loss) survivorship pattern, when does the sharp decl…
C. shortly after birth or hatching
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the curve labeled c in the graph shown is typical of populations that h…
insects
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on the merchants advice, he sent an invitation to the king and princess…
The Merchant
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what do survivorship curves help us understand about populations? the p…
the percent of individuals that stay alive over time
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which type of survivorship curve involves individuals dying equally at …
Type 2
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which type of survivorship curve involves only having a few offspring t…
Type 1
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weather weath - er weth - er middle english; old english weder, german …
It is time to find out whether Janey chose the truck or the sedan.
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what do we call the type of survivorship curve that involves the organi…
Type 3
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how dna is copied 4. what does it mean that the two strands of dna are …
- 4. Bases on one strand pair specifically with bases on the other strand (A - T and C - G). - 5. The process by which a cell makes an identical copy of its DNA. - 6. b, a, c, d -…
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allowed al - lowed uh - loud middle english; anglo - french; old french…
Jorge’s cell phone gave him driving directions aloud.
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to which disease does the author of this text refer? \1918 has gone: a …
- First question: influenza - Second question: fear of a communist revolution within the United States
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abnormal chromosomes are frequently found in cancerous malignant tumors…
expression of inappropriate gene products
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which of the following statements correctly describes aneuploid conditi…
Monosomy X is the only known viable human monosomy.
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three genes (a, b, and c) at three loci are being mapped in a particula…
Gene A is assorting independently of genes B and C, which are linked.
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a couple has a child with down syndrome. the mother is 39 years old at …
Nondisjunction occurred in one member of the couple during gamete production.
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what is the reason that closely linked genes are typically inherited to…
The likelihood of a crossover event between these two genes is low.
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complete the statement , guanine, cytosine, and thymine are the four ni…
adenine, cytosine, bases, replication, helix
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two autosomal genes have a recombination frequency of 16%. which of the…
The two genes are linked but on different chromosomes.
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question 3 of 5 within a year of the first vape devices being released,…
C. vaping devices have the ability to get you more addicted to nicotine, not less
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herman and his dad are leaving early in the morning for his lacrosse to…
\(1.5\)
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when thomas hunt morgan crossed his red - eyed f1 generation flies to e…
The gene involved is on the X chromosome.
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which of the following types of diseases is associated with the philade…
chronic myelogenous leukemia
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one map unit is equivalent to which of the following values? ○ the phys…
1% frequency of recombination between two genes.
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in humans, clear sex differentiation occurs not at fertilization but af…
activation of the SRY gene in male embryos and development of testes
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which of the following phases of cell division confirms mendels observa…
anaphase I of meiosis
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weekly quiz content page 6 of 39 question 6 2 points in maryland v. kin…
A. True
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a scientist discovers a dna - based test for one allele of a particular…
Screen all newborns of an at - risk population.
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question 5 there is no expectation of privacy in this and therefore no …
B. Fingerprinting
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phenylketonuria (pku) is a disease in humans that results from the abno…
It is recessive.
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name daniel tello merlas bell dna replication practice 1. for each pict…
- **Question 2**: - Cytosine, guanine, thymine, and adenine are phosphates: False. - DNA is the shape of a helix: True. - A nucleotide is made up of a sugar, phosphate and two nit…
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how many unique gametes could be produced through independent assortmen…
8
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which of the following statements correctly describes one difference be…
The law of independent assortment explains the segregation of two or more genes relative to one another.
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use the success of animals, the success of plants is limited based on t…
D. A plant without enough space will not be able to capture enough light to grow.
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bees feed on nectar in flowers. to reach the nectar, a bee must fly dee…
A. mutualism
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which of the following sentences contains an oxymoron? a. before the to…
D. "The horse needs someone to take care of it," Mom reminded me.
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characters in humans such as a persons red and white blood cell counts …
multifactorial.
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which of the following describes the ability of a single gene to have m…
pleiotropy
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which biome has no trees and only small shrubs, mosses, and lichens? * …
1. tundra 2. biomagnification 3. population
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the florida everglades is habitat for many animals including deer, alli…
A. Some animals will move to other locations to find food.
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which of the following statements correctly describes a monohybrid cros…
A monohybrid cross involves organisms that are heterozygous for one character.
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which form of symbiosis exists between the sharks and the small fish? a…
A. commensalism
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2.8 mastery check write a response explaining how antibiotics work. you…
Antibiotics work by targeting bacteria. They can act on the bacterial cell wall (which human cells lack). Some antibiotics inhibit bacterial enzymes/proteins. Bacteriostatic antib…
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read the excerpt from gilgamesh: a new english version. gilgamesh and e…
courage in battle, connection to supernatural help
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what was mendels explanation for his observation that traits that had d…
Traits can be dominant or recessive, and the recessive traits were "hidden" by the dominant ones in the F1.
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question 11. which of these examples does not depend on the population …
D. the effect of chemical pollution on mayflies in a pond
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skin color in humans has a wide variety of phenotypes. the expression o…
polygenic inheritance
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the karyotype of one species of primate has 48 chromosomes. in a partic…
either anaphase I or II of meiosis
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competition between two species is occurring when a. chipmunks and squi…
A. chipmunks and squirrels search for seeds in a garden.
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if a horticulturist breeding plants known as gardenias succeeds in havi…
Clone the plant asexually to produce an identical one.
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which phase of meiosis is represented in the figure below? anaphase i a…
anaphase I
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in the life cycle of fungi and some protists, which of the following pr…
meiosis in the diploid zygote
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7 mme lavalle is leaving her daughter a note to ask her to buy some gro…
1. Aminata va acheter de la confiture, du porc et des pommes. 2. Koffi va acheter du maïs, des citrons, du riz, des oeufs et du poulet. 3. Arnaud va acheter du beurre, de la farin…
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gcse biology ecology & ecosystems high demand questions questionsheet 1…
(a) Carbon dioxide ($CO_2$) (b)(i) Photosynthesis (b)(ii) Respiration (b)(iii) Formation of fossil fuels (b)(iv) Combustion of fuels
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what diagnostic procedures can a karyotype be used for? ○ identifying t…
screening for defective or abnormal numbers of chromosomes in an individual
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20. which of the following would be considered a gymnosper? oak trees m…
conifer trees
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19. what do flagella help a bacteria do? adapt move fuse divide
B. move
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high demand questions questionsheet 16 the diagram shows the carbon cyc…
\(12.5\%\)
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a human cell containing 22 autosomes and a y chromosome is... an egg. a…
a sperm.
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18. how do fungi move? they have flagella or cilia they use the wind th…
they grow in a certain direction
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17. what protist was responsible for the irish potato famine in the 184…
water mold
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in a cell undergoing meiosis, if homologous chromosomes are aligned at …
metaphase I
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what characteristic of ddt and other pesticides belonging to the chlori…
persistence in the environment leading to biomagnification
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16. what archaea live on the surfaces of swamps, marshy lands, and inte…
methanogens
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the progressive era also overlapped which historical us period? revolut…
C. Gilded Age
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select all the correct answers. the cultural revolution ended by the ea…
Ancient cultural artifacts and historical buildings were destroyed; The education of millions of youth in China was interrupted.
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final assessment - human development: the adolescent male human develop…
Testicle enlargement
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after telophase i of meiosis, the chromosomal makeup of each daughter c…
haploid, and the chromosomes are each composed of two chromatids.
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homologous chromosomes move toward opposite poles of a dividing cell du…
meiosis I.
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gcse biology ecology & ecosystems high demand questions questionsheet 1…
- (a) The number of bacteria increases initially. - (b)(i) The number of fish decreases. - (b)(ii) Sewage causes a decrease in oxygen levels (from the graph, as bacteria consume o…
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after telophase ii of meiosis, the chromosomal makeup of each daughter …
haploid, and the chromosomes are each composed of a single daughter chromosome.
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which of the following elements do all sexual life cycles in eukaryotic…
meiosis, fertilization, and gametes
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two species of organisms living in the same area interact in a way that…
C. competition
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the earth is broken up into increasingly more specific parts. the biome…
Organism --> Species --> Population --> Community --> Ecosystem --> Biome
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which of the following statements correctly describes the differences b…
In sexual reproduction, offspring vary genetically from their siblings and both parents.
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muskrats are large rodents that live alongside water such as streams or…
D. predation
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the unlettered circle at the top of the figure above shows a diploid nu…
A. Option A
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\beginning at paris, the french soldiers and the roman catholic clergy …
French persecution of Huguenots
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in the image below, what phase of mitosis is depicted? an animal cell i…
A plant cell in Telophase
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a cell in g2 of the cell division cycle contains 20 chromatids. how man…
10
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the drug cytochalasin b blocks the function of actin. which of the foll…
cleavage furrow formation and cytokinesis
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15. how do fungi benefit ecosystems?
Fungi benefit ecosystems in several ways. Firstly, they act as decomposers, breaking down dead organic matter and recycling nutrients back into the soil. This enriches the soil an…
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what was the impact of the english bill of rights on the development of…
For the first question: It gave Parliament essential powers independent of the monarchy, like power of the purse. For the second question: The American Revolution.
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which of the following components make(s) up eukaryotic chromatin? dna …
DNA and proteins
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most animal cells exhibit anchorage dependence, which means that in ord…
cells must be attached to a substrate or extracellular matrix of a tissue.
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following dna replication, each eukaryotic chromosome consists of two i…
sister chromatids
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class e general knowledge question #15 / 50 you are driving in the righ…
B. Slow down a bit, so you do not have to pass the weaving car.
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gcse biology ecology & ecosystems high demand questions questionsheet 1…
(b) The 50 - year period from 1950 to 2000 has the greatest rise in carbon dioxide level. (c) The mass of carbon dioxide that comes from combustion is \(600\) million tonnes.
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where are the motor proteins that move chromosomes toward the poles of …
on the kinetochores only
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what was not one of philip iis reasons to go to war with elizabeth i of…
- First question: England started to establish colonies in Mexico. - Second question: True.
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where do the microtubules of the spindle originate during mitosis in an…
centrosome
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what muscle is n? trapezius deltoid pectoralis major external oblique
pectoralis major