生物
细胞生物学、遗传学、生态学与生命科学基础。
-
following s phase, a human cell would have how many pairs of sister chr…
46 pairs of sister chromatids and 92 individual DNA molecules
-
4. part b: in the game how many individuals did your population start w…
A. 2
-
a cell starts will 46 chromosomes. how many chromosomes would you expec…
b. 46
-
how does the organization of the bacterial genome differ from the organ…
Most bacterial chromosomes are circular and the eukaryotic chromosomes contained in the nucleus are not.
-
when during the cell cycle would you expect to find cohesin protein ass…
a. G1 phase, b. Metaphase, c. Prophase
-
what role does visualizing a sequence of events play in creating a torn…
D. all of the above
-
the point of constriction on chromosomes that contains certain repeated…
The centromere
-
3. true or false...the strongest is always the fittest
False
-
unit test unit test complete 21 22 23 24 read the two passages. passage…
B. Passage 1 contains a false dilemma, while passage 2 contains a bandwagon appeal.
-
you are studying cell cycle progression in yeast cells. if you could pr…
arrest in G₂
-
2. part a: what are the three sources of genetic variation? mark all th…
Sex, Mutation, Gene Flow
-
comparison of mitosis and cytokinesis in animal versus plant cells reve…
d. A cleavage furrow is initiated in an animal cell, while a cell plate begins to form in plant cells during telophase.
-
1. part a: select the four mechanisms of evolution. mark all that apply…
- New individuals moving to a population - Random events - Environment selecting for certain traits - Random changes to DNA that is passed on
-
if a cell was capable of bypassing metaphase and going directly from pr…
The resulting daughter cells would have different numbers of chromosomes.
-
a fruit fly (drosophila) has n=4 chromosomes. how many chromosomes shou…
d. 4
-
plant cells typically achieve cytokinesis by: multiple choice ○ chromos…
forming a cell plate across the middle of the cell.
-
directions tell how each pair of terms is alike. then tell how they are…
7. Both are attempts to explain natural phenomena. 8. Hypothesis is tentative; theory is well - tested. 9. Both relate to evolution. 10. Descent with modification is the general c…
-
question 6 to determine the sex of your pig, you will need to see if th…
A. True
-
question 7 in which region of the fetal pig would i find the thyroid gl…
B. neck
-
question 8 which of the following divides the coelom into the thoracic …
D. diaphragm
-
question 9 where will you look to find the gallbladder? a underneath th…
A. underneath the right lobe of the liver
-
question 10 1 point the tube that exits the kidney and carries urine to…
B. the ureter
-
5. the calvin cycle occurs in the
stroma of chloroplasts
-
3. this is where photosynthesis occurs? 4. the light dependent reaction…
3. Chloroplasts 4. Thylakoid membranes (or thylakoids)
-
preserved remains of plants and animals parts of plants stuck in mud 2.…
C. Paleontologists (assuming options are labeled as A. Biologists, B. Mathematicians, C. Paleontologists; if original options have no labels, then "Paleontologists" is the correct…
-
2. where are the two sites where photosynthesis occurs? mark all that a…
stroma, thylakoids
-
many neuroscientists: ○ believe that there may be a genetic component t…
still search but have not found the genetic foundations of intellectual capacity.
-
1. what are fossils? ordinary rocks found in the dirt preserved remains…
B. Preserved remains of plants and animals (assuming the second option is labeled B; if original labels were different, adjust, but based on content, the option "Preserved remains…
-
biomanbio photosynthesis and respiration 1. where do reactants occur in…
before the one way arrow
-
5. using the formula for cellular respiration and what you know about s…
Exercise raises ATP demand, accelerating cellular respiration which generates $\text{CO}_2$ as a byproduct, thus increasing $\text{CO}_2$ output.
-
name: _______________________________ date: ___________ period: ____ pu…
1. Green: \(GG\) or \(Gg\); Blue: \(gg\) 2. A. \(\frac{1}{2}\); B. \(\frac{1}{2}\)
-
which two internal citations for a book version of helen keller’s memoi…
The first option ("As Keller writes, 'But Miss Sullivan did not arrive until the following March.' (11)") and the third option ("But Miss Sullivan did not arrive until the followi…
-
unit test unit test complete 11 which source would be most appropriate …
B. a journal article by a psychologist who is studying social media
-
3. how do allele combinations occur in nature and why is a coin toss a …
Allele combinations occur randomly in nature during meiosis (gamete formation). A coin toss is a good representation as it also involves randomness with equal - probability outcom…
-
unit test unit test complete 1 2 3 4 5 6 7 8 9 10 read the two passages…
C. Passage 2 is more effective because it contains logical and anecdotal, while passage 1 contains a bandwagon appeal and a false dilemma.
-
worlds deadliest animal l hernandez 1. when you think of the deadliest …
A. It presents problems that mosquitoes cause in sequential order.
-
10. what types of labs are available in each module’s lab choice board?…
Video, Virtual, and Hands - On Labs
-
25. some violations may require: a. a staff meeting only b. immediate c…
25. B. Immediate closure of the establishment 26. B. Prevent problems before official inspections 27. B. Meet with employees to review results 28. B. Any relevant health informati…
-
analysis questions: 1. please make sure your drawing has the genotype a…
Genotypic Ratio: \(1:2:1\) Phenotypic Ratios: \(3:1\) Genotypic %: \(25\%,50\%,25\%\) Phenotypic %: \(75\%,25\%\)
-
which statement best evaluates whether the narrative has a clearly defi…
C. The narrative has a clearly defined focus on Dr. McWhorter’s careful work.
-
low power high power magnification: 40 x magnification: 400 x upload ph…
An onion cell has a rectangular (or box - like) shape.
-
list what types of signals you think animals may give humans to let the…
Unusual sounds (e.g., excessive barking), changes in body language (e.g., agitation or cowering), and attempts to lead humans away from danger.
-
24. explain chargaffs rule.
Chargaff's rule states that in DNA, \( A = T \), \( G = C \), and \( (A + G)=(T + C) \).
-
list the number of the following components found within the dna diagra…
- Number of nucleotides: 6 - Number of phosphate groups: 6 - Number of deoxyribose molecules: 6 - Number of adenine: 1 - Number of thymine: 1 - Number of cytosine: 1 - Number of g…
-
artificial selection - the intentional breeding of two individuals to p…
- Dogs: To develop desired traits for companionship, work (e.g., herding, guarding), or show, such as specific sizes, temperaments, or physical abilities. - Cows: To increase milk…
-
jamaal has to make an important phone call. unfortunately, his cell pho…
A. working
-
34. in a laboratory, a 15% glucose solution is fermented at 10°c and at…
B. increase the initial percentage of glucose, D. increase the temperature ### Question 35
-
34. in a laboratory, a 15% glucose solution is fermented at 10°c and at…
B. the amount of carbon dioxide produced
-
8. which of the following is not true of dna? a. it stores genetic info…
8. d 9. b 10. c 11. True 12. False 13. True 14. False 15. True 16. False 17. False 18. True 19. False 20. True
-
natural and artificial selection 11. an african savanna is home to a va…
The giraffe population will likely evolve such that a greater proportion of giraffes have longer necks. Evidence: Giraffes with longer necks can better access the acacia tree leav…
-
29. stomata are pores in the leaves of plants that allow gases to enter…
B. carbon dioxide ### Question 30
-
where in eukaryotic cells is dna found? a. cytoplasm b. ribosomes c. nu…
1. C. nucleus 2. D. nucleic acid 3. B. deoxyribose sugar 4. A. covalent bond 5. B. hydrogen bond 6. D. gene 7. B. 2
-
a satellite dish is shaped like a paraboloid of revolution. this means …
The equation of the parabola is \(x^{2}=112y\), and the receiver should be placed 28 feet above the vertex.
-
cumulative exam cumulative exam review active read the following excerp…
A. Different emotional states affect people’s honesty.
-
which is a true statement about the effect of the taiping rebellion? ○ …
D. The number of lives lost was over twenty million.
-
homework 3.11 human organ systems directions: base your answers to the …
One effect could be **high blood glucose levels (hyperglycemia)** because with fewer insulin receptors, the liver cells (and other cells) have reduced ability to respond to insuli…
-
a satellite dish is shaped like a paraboloid of revolution. this means …
The equation of the parabola is \(x^{2}=96y\), and the receiver should be placed 24 feet above the vertex. Wait, no, wait, wait, I think I made a mistake. Wait, 24 squared is 576,…
-
china was insulated from the scientific and industrial revolutions occu…
C. the West surged ahead of China while China began its slow decline.
-
list 2 marine life adaptations you learned about.
1. Streamlined body shapes for efficient movement in water. 2. Bioluminescence for various functions like communication and prey attraction.
-
25. the tropical rainforests are sometimes called the \lungs of the ear…
B. oxygen, C. carbon dioxide ### Question 27
-
kingdoms of life - 3 domains – archaea, bacteria, and eukaryota are spl…
| Kingdoms | Characteristics | Importance in Ecosystems | |----------------|---------------------------------------------------------------------------------|---------------------…
-
17. study the diagram below. diagram: glycolysis with two branches: one…
C. aerobic respiration ### Question 18
-
cumulative exam cumulative exam review active because of his journalist…
A. a combination of formal and informal.
-
kingdoms of life 15 bacteria are single - celled organisms that can be …
C. Some types of bacteria aid in the process digestion.
-
kingdoms of life 14 four statements regarding kingdoms of life are list…
A. I and II
-
13 which of the following correctly lists the hierarchical order of cla…
D. Kingdom, Phylum, Class, Order, Family, Genus, Species
-
natural and artificial selection 12 a chart showing examples of natural…
B. Temperament in dogs
-
Question was provided via image upload.
C. Inexplicable events are sometimes interpreted as supernatural experiences in Cuban culture.
-
questions 1 through 3 refer to the following. -yes, mexico must be thor…
D. Mexico had sent soldiers across the southern border of the United States
-
asexual and sexual reproduction 9 a chart showing the type of reproduct…
C. Bacteria and hydra only
-
questions 1 through 3 refer to the following. yes, mexico must be thoro…
A. Whitman believed the United States should show patience before war, while Giddings believed the country had tolerated abuses for too long without war
-
ethanol we dont have years to waste if we save our planet. im going to …
Ethanol is a clean fuel that can help protect the environment.
-
ethanol by clever clog we dont have much time left to save our planet. …
Not only can it be blended with gasoline, but it can also improve emissions quality.
-
list 2 marine life adaptations you learned about.
1. Streamlined body shapes for efficient movement in water. 2. Bioluminescence for various functions like communication and prey attraction.
-
9. which process below occurs in the cytoplasm of a cell? a glycolysis …
A. glycolysis ### Question 10
-
unit exam - informative ... ethanol by denver day we dont have much tim…
Ethanol is an alcohol-based alternative fuel made by fermenting and distilling crops like corn.
-
our ancestors developed bigger brains over time. true or false false tr…
True
-
how long does non-rem sleep last? (1 point) ○ 60-90 minutes ○ 80-120 mi…
90 - 120 minutes
-
1. which three components make up both adp and atp? a glucose b deoxyri…
C. adenine, D. ribose sugar, E. phosphates ### Question 2
-
which characteristic of life best describes the life cycle of a frog? ○…
D. growing and developing
-
the organic compound below consists of an adenine molecule (blue), a ri…
C. ATP
-
north and south: advantages and disadvantages (historical context: the …
excellent military strategies
-
which best describes the relationship between dna, genes, and chromosom…
B. Genes are segments of DNA; the DNA forms tight coils called chromosomes.
-
drosophila eye color is an x - linked trait. red eye color is dominant,…
The Punnett square (the lower one, with rows \(X^{R}\) and \(X^{r}\) and columns \(X^{r}\) and \(Y\)) shows a cross with 25% red - eyed males. (Assuming the second square has this…
-
practice identify each statement below as either true or false. 1. phot…
1. T (True) ### Question 2
-
which genotypes will be included for the offspring in the punnett squar…
D. Pp only
-
2. in pea plants, purple flower color (p) is dominant over white flower…
- **Genotypes**: \(PP\) (homozygous dominant, \(\frac{1}{4}\) of the \(F_2\) generation), \(Pp\) (heterozygous, \(\frac{1}{2}\) of the \(F_2\) generation), \(pp\) (homozygous rece…
-
which organisms are prokaryotes? ○ archaea ○ fungi ○ protists ○ plants
A. archaea
-
practice a class of biology students performed a series of experiments …
B. As yeast concentration increases, the rate of fermentation increases. ### Question 2
-
pea plants can have yellow seeds or green seeds. which conclusion about…
yellow and dominant
-
which individual is shown in the karyotype? male with turner syndrome m…
B. male with Klinefelter syndrome
-
1. which line on the graph represents aerobic respiration — with air or…
A. with air ### Question 2
-
section 4.3, continued aerobic and anaerobic cellular respiration 11. h…
D. Aerobic respiration requires oxygen and produces more energy. ### Question 12
-
how many homologous chromosome alignments are possible for independent …
B. two
-
why are algae and ferns both green? ○ they each contain chlorophyll tha…
A. They each contain chlorophyll that absorbs violet - blue light and reflects green light.
-
if a scientist wanted to follow mendel’s experiment with a different ki…
D. A plant that has only two alleles for a trait.
-
which statement best compares transcription and translation? ○ trna pai…
D. A chain of amino acids linked by peptide bonds is formed in translation but not transcription.
-
which statement best describes the molecular structure of protein, alon…
B. It is a complex, folded chain that helps regulate cell processes.
-
list-group-label sg5l2 directions: first sort all of the traits listed …
| Inherited Traits | Learned Traits | |------------------|----------------| | eye color | favorite food | | skin color | reading level | | hair texture | favorite show | | height …
-
what is the next step in the process after a substrate enters the activ…
The enzyme and the substrate bind to form the enzyme - substrate complex.