Biologie
Biologie cellulaire, génétique, écologie et bases des sciences de la vie.
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read this passage: fifty - four years ago to the day, a young jewish bo…
A. He thanks the U.S. soldiers for their sacrifices in helping to free him from the concentration camp.
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the food web below shows some of the feeding relationships among organi…
The population of squid would decrease because squid feed on organisms that eat phytoplankton.
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which trophic level receives the greatest amount of energy from produce…
Primary consumers/ Level 3
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the dark blue lines represent the original dna strands; the light blue …
- The dark blue lines represent the original DNA strands; the light blue lines represent DNA strands that were synthesized using those original strands as a template. - Two rounds…
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what is the primary role of decomposers in a food web? to provide a sou…
to recycle energy and materials from dead producers and consumers
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an organism that gets energy from breaking down dead organisms, non - l…
decomposer
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now, drag and drop each characteristic of dnas structure to match it wi…
Stable - Deoxyribonucleotides lack a reactive -OH (hydroxyl) group on the 2' carbon of ribose, and extensive hydrogen bonding occurs inside the double helix. Copy - able - Complem…
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the process by which waste and dead organisms decomposers release nitro…
Decomposition
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these three requirements of dna are listed on the left. drag and drop e…
- Copy - able: For an organism to grow and reproduce, the information needs to be able to passed on to 'daughter cells' (when a cell divides) and/or to offspring (the next generat…
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if these organisms were arranged in a food pyramid, which organism woul…
coyote
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why are producers found at the base of the pyramid? they create all of …
All of these answers are correct.
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the diagram shows an energy pyramid. which type of organism would be in…
herbivores
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human body systems review homework day 1 name:________________________c…
1. S. Brain 2. A. Esophagus 3. R. Nerves 4. B. Digestive system 5. Q. Spinal Cord 6. C. Stomach 7. P. Nervous System 8. D. Large intestine 9. O. Mouth 10. E. Nose 11. N. Circulato…
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the figure below shows a food chain that might exist in a meadow. which…
beetle
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there is 4,500 kcal of energy available at the 1st trophic level. how m…
45 kcal
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a pyramid shape is used to show the amount of available energy at each …
A. energy decreases as you go up the food chain, just like the pyramid shape gets smaller as you go up.
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the diagram below shows an energy pyramid. in a marine ecosystem, algae…
reef shark
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in a diagram of a food web, carnivores and herbivores are both consumer…
Carnivores eat only animals whereas herbivores eat only plants.
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describe how carbon plays a part in the lion and the grass. carbon from…
Carbon is taken in by the grass and the lion exhales it.
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which of the following are functions of sodium in the human body? check…
Maintenance of acid - base balance, Transmission of nerve impulses, Transportation of small substances such as glucose and amino acids into cells, Muscle contraction.
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fueling our cells: the energy factory how cells get energy just like a …
1. sugar molecules (like glucose) 2. mitochondria 3. ATP
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review the fifth and sixth paragraphs. greater interest in developing w…
They both outline factors related to increased interest in alternative, renewable energy sources.
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the price of a cell phone was reduced from $450 to $225. by what percen…
C. 50%
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brianna is mapping trees in a section of land. she observes that some o…
B. the population distribution
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question 24 according to the selection, what are varnas? select one: a.…
A. groups in India’s caste system
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17. the prefix in - means ot\. how does this meaning tell you which rea…
Light - dependent reactions require light. Light - independent reactions do not require light.
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review the fourth paragraph. second, many people believe that internet …
The author includes a quote from an expert comparing free Wi - Fi to other basic services.
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16. what type of energy do plants use to convert co2 and h2o into sugar…
sunlight
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14. how does the water enter the plant? from the roots osmosis active t…
from the roots, osmosis
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lino has a family history of cardiovascular disease and he is worried a…
Smoking, Family history of hypertension, Advanced age
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8) what is the measurement of the diameter of the field of view? * 1 po…
8) C. \(1mm\) 9) B. \(5\)
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diameter of the field of view at 40x, 100x, 400x: cells are often measu…
6. 100x 7. 2000 μm
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4) which field of view is the smallest? * (where you can see the least …
400x
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2) at ____________ we see the least number of cells. * 40x 100x 400x
400x
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diagnostic assessment 1. for the equation (x^{2}+8x = 17), use any alge…
\(x=-4+\sqrt{33}\) and \(x=-4 - \sqrt{33}\)
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multicellular organisms, cells are organized into tissues, tissues into…
A. brain, E. red blood cell
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12. what are three things used to make glucose in photosynthesis? type …
Carbon dioxide, water, and sunlight.
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himalayan rabbit environment experiment color of body raised at 15°c wh…
B. Rabbits raised in a cooler environment express the black color gene on their ears, feet, and nose.
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ch organelle is the powerhouse of the cell, the site of cellular respir…
D. 9 - mitochondria
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11. the prefix photo - means \light\ and - synthesis means \to put toge…
Photosynthesis is a process that uses light energy to combine substances.
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experiments by growing bacteria in petri dishes and treating them with …
dilig
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how does the skeletal system help the muscular system? a by bringing ox…
D. by providing a frame where tissue can attach
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a gene is: a. a chromosome thats made up of dna b. a section of dna tha…
- For "A gene is": b. A section of DNA that codes for a protein. - For "What is the relationship between a protein, the cell and DNA?": a. DNA is copied into RNA which is used to …
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welcome! we have been expecting you! please help us!!! our business is …
sixtythree
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some birds in a population have large beaks that allow them to crack ha…
A. The birds are easier prey on, so the population will decrease.
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plant and animal cells differ in some of their structures and organelle…
Cellulose cell wall, Chloroplast
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when glucose is in the bloodstream, insulin binds to cells. this signal…
D. Glucose can enter the cell by moving through the channel formed by the empty insulin receptor.
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which of the following are functions of potassium in the human body? ch…
Maintenance of proper fluid balance, Transmission of nerve impulses, Activation of enzymes and hormones necessary for energy metabolism, Maintenance of acid - base balance.
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this image shows how each of the three different types of human muscle …
D. The three types of muscle cells appear different since they are specialized to perform different functions in the human body.
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all cells must allow certain molecules, like water, nutrients, and mine…
C. Cell membrane
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read the information before answering the question. what is the primary…
Mutations in our genes
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place the following levels of biological organization in the proper ord…
D. 1, 5, 2, 4, 3
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read the information before answering the question. which biological fu…
salt and water movement in cells
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which species is most closely related to the extinct animal? a species …
C. Species 3
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10. the prefix chloro - means \green\ and the suffix - phyll means \lea…
Chlorophyll is a green pigment found in leaves.
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select the text from the paragraph that best helps you understand that …
People can more easily criticize those in power or those in the majority when they feel safe from retaliation or punishment.
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herbicides. the aim is to create crop varieties that are more productiv…
make them more resilient and suitable
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which effect did fire have on plant species biodiversity in the hawaiia…
C. plant species biodiversity decreased until only nonnative fountain grass remained after repeated fires.
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integration, the modified dna can be expressed, leading to the desired …
by identifying the specific gene or genes of interest
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structure number 7 is - a polypeptide chain (protein). transcription. a…
transcription.
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9. what is the primary pigment found in the chloroplast?
Chlorophyll
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civilization, if they had found it first. that is why we felt compelled…
- B. The Axis powers would have been unstoppable if they had developed the atomic bomb first. - D. The Americans used the bomb to end the war and minimize American casualties. - E…
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unit exam - genetics what is an operon? a group of genes that regulate …
A. A group of genes that regulate together and have a related job.
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structure number 7 is - a polypeptide chain (protein). transcription. a…
a polypeptide chain (protein).
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if an animal is placed into a sealed container for a short time, the ox…
A. decrease and the carbon dioxide level will increase.
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what is the role of homoeotic genes in an organism? they control the pr…
They regulate the development and placement of body parts in an organism.
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question 8 anticodons are found on dna rrna mrna trna
tRNA
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8. the stacks of thylakoids are called a. grana b. stroma c. chlorophyl…
A. Grana
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what is the role of homoeotic genes in an organism? they control the pr…
They regulate the development and placement of body parts in an organism.
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calcium regulation is controlled by hormones. complete each sentence to…
1. parathyroid hormone (PTH) 2. osteoclasts 3. calcium 4. calcitonin 5. osteoblasts
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some species of fish move in groups called schools. which two statement…
D. Predators are confused by a group and cannot identify a single fish to catch.
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figure a: identify the process called \step 1\ in figure a above. repli…
transcription
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submission details bell ringer 11/18! jessica traverso author | teacher…
Click the cell, type =, enter formula components, press Enter.
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7. what pigment is found inside a thylakoid? what color will it be? chl…
chlorophyll; green
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a section of a nucleic acid is shown below. the process represented in …
Messenger RNA
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calcium regulation is controlled by hormones. complete each sentence to…
1. parathyroid hormone (PTH) 2. osteoclasts 3. calcium 4. calcitonin 5. osteoblasts
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read paragraph 1. (1) \at about twelve oclock, the combined army was ar…
C. personal staff accompanying an official who is on official business
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this graph shows how the total number of novels edna has in her collect…
$3$
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overview of photosynthesis esls is a process in which sunlight energy i…
2
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name: overview of photosynthesis photosynthesis is a process in which s…
A. produce glucose, C. store food energy
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codons are found on ________. dna rrna mrna trna question 5 which of th…
1. mRNA 2. Thymine
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name overview of photosynthesis photosynthesis is a process in which su…
leaves of green plants
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read the sentence. we wrote in our journals for twenty minutes each day…
adverbial phrase
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structure number 3 is - dna. mrna. trna. ribsome
mRNA.
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which of the following is not a type of rna? mrna trna nrna rrna questi…
- Question 1: C. nRNA - Question 2: A. ribose, phosphate, nitrogen base
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question 1 which of the following is not a type of rna? ○ mrna ● trna ○…
### Question 1 nRNA is NOT a type of RNA. ### Question 2 ribose, phosphate, nitrogen base includes all parts of an RNA nucleotide.
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name: overview of photosynthesis photosynthesis is a process in which s…
B. process in which sunlight is used to make glucose
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the main goal of chinas first five - year plan under mao zedong was to …
spur economic growth.
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match the countries to the descriptions of events during and after worl…
- "Forced to pay large reparations and take blame for causing the war": Germany - "Was part of the Central powers; ceased to exist following the war": Ottoman Empire - "Pulled out…
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a person who has allergies has a compromised immune system because the …
overreacts to an antigen.
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which type of barrier are coughing and sneezing? psychological chemical…
physical
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lupus, a condition in which the body attacks its own cells, is an examp…
an autoimmune disorder.
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what is the difference between b - cell lymphocytes and t - cell lympho…
B cells produce antibodies, and T cells destroy infected cells.
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what do saliva, tears, and nasal mucus have in common? all can be class…
All can destroy bacterial cell walls.
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one function of the immune system is to attack the foreign cells to pro…
Medicine that makes the immune system less effective.
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how does inflammation help the body fight off further infection? inflam…
Inflammation keeps harmful substances away from healthy cells.
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a few mold spores land on the skin but do not survive due to the lack o…
chemical
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a person who has a weakened immune system may not be able to fight agai…
pathogens may enter the body and cause illness.
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question 7 1 pts what best explains the differences in the shelters use…
The environment of the Great Plains was vastly different from the environment of the Northeast. ### Question 8
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vaccination is a process of injecting a dead or weakened form of a path…
It allows the body to keep pathogen information for future infections.