In December 2005, an earthquake happened off the coast of the Philippines. Thousands of people on the is because of a giant wave. What was the giant wave?
A) volcano
B) tsunami
Answer:
B) tsunami
Explanation:
Also, isn't it supposed to be on December 2004??
What can be used to illustrate evolutionary classification, or cladistic analysis
Watson and Crick made a successful model of DNA based on Rosalind Franklin's X-ray studies. This indicated that DNA was
A.
a triple helix with intertwined bases.
B.
a double helix with bases outside the helix.
C.
a double helix with bases inside the helix.
D.
a single linear molecule of bases held together by sugar-phosphate bonds.
Answer:C. a double helix with bases inside the helix
ExpAnswer: I got it correct
Why do birth control pills contain progesterone?
Help please!!
Answer:c u take birth control to not get pregant so if thers no sperm and eggs mixed no prego
Explanation:
What is the driving force of it’s watershed?
Answer:
(It includes drainage channels through rivers, streams, and ground; natural filters in wetlands and estuaries; and sinks in lakes and oceans.) What is its driving force? (It is the hydrologic cycle.)
1. Which statement is true about renewable natural resources?
Resources that are being used at a rate much faster than the rate at which they are
formed.
Resources exist in a fixed amount and can only be replaced through a process that
takes millions of years.
Resources replaced through natural processes at a rate equal to or faster than they
are being used.
Natural Resources can be depleted or used to the point that they are no longer
available.
Answer: it is b i just did it 5 minutes ago
Explanation: it is b i just did it 5 minutes ago
Prompt
Describe the typical conditions necessary for fossil formation.
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BIUS X, X
22
TT
body P
A student comes to school and eats breakfast before going to class. Eating breakfast gives the student sufficient energy to handle her classes. What two body systems work together to provide the student’s cells with energy?
A.
Excretory and endocrine
B.
Digestive and circulatory
C.
Digestive and excretory
D.
Excretory and circulatory
Which DNA-containing central cell structure found in plant and animal cells is absent in bacterial cells?
The DNA-containing central cell structure found in plant and animal cells is absent in bacterial cells is nucleus.
What is nucleus?The part of a cell that houses the chromosomes in biology. The membrane-enclosed nucleus is where RNA is synthesised from the chromosomal DNA.
DNA is organised into chromosomes in the nucleus, which is located in the centre of the cell.
The double nuclear membrane (outer and inner) that separates the nucleus from the cytoplasm, known as the nuclear envelope, envelops it. The rough endoplasmic reticulum and the outer membrane are one unit.
The nucleolus' main job is to facilitate ribosome biogenesis by assembling and digesting rRNA into preribosomal particles.
Bacterial cells lack the nucleus, the primary cell structure that houses DNA, that is present in plant and animal cells.
Thus, nucleus is only present is eukaryotic cells.
For more details regarding nucleus, visit:
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In summer squash, white fruit color (W) is dominant over yellow fruit color (w) and disk shaped fruit (D) is dominant over sphere-shaped fruit (d). If a squash plant pure-breeding for white, disk shaped fruit is crossed with a plant pure breedig for yellow, sphere shaped fruit, CACULATE GENOTYPIC AND PHENOTYPIC RATIOS
Answer:
Genotypic ratio = 16 WwDd: 0
Phenotypic ratio = 16 white, disk shaped fruit : 0 yellow, sphere shaped fruit
Explanation:
This question involves two different genes coding for fruit color and fruit shape respectively. The allele for white fruit color (W) is dominant over yellow fruit color (w) and disk shaped fruit (D) is dominant over sphere-shaped fruit (d).
According to this question, If a squash plant pure-breeding for white, disk shaped fruit (WWDD) is crossed with a plant pure breeding for yellow, sphere shaped fruit (wwdd), the following gametes will be produced by each GAMETE:
WWDD - WD, WD, WD, WD
wwdd - wd, wd, wd, wd
Using these gametes in a punnet square, all of the offsprings will have genotype WwDd, which is phenotypically white and disk shaped fruit.
The genotypic ratio is 4 WwDd: 0
The phenotypic ratio is 16 white, disk shaped fruit : 0 yellow, sphere shaped fruit.
Draw a Punnett square to represent the cross of two pea plants each hetrozygous for tallness(Tt). Use the Punnett square to identify the probability of an offspring that is short.
Answer:
25% of the offspring will be short, tt.
Explanation:
Due to technical problems, you will find the complete explanation in the attached file
In an experiment, scientists blocked the stoma of the first of two otherwise similar plants, resulting in ____
of the altered plant's respiration of water and carbon dioxide.
Answer:
altered growing
Explanation:
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Which item in the photo is a good thermal insulator, and why?
A. The plastic handle, because its electrons dont move freely
O B. Human skin, because it is made up mostly of water
C. The metal pan, because its electrons move quite freely
D. The cut vegetables, because they contain a lot of water
Answer:
free electrons can go through the material such as they are most through loses send the water inside the vegetables of human skin is not very good inspiration because its water if you had to take a warm shower and then come out you feel very cold
Recall that an ecosystem includes living things AND the non-living environment.
Which of these are examples of non-living parts of the ecosystem pictured?
A sunlight, rocks, water, rotting log
B soil, insects, tree, mushrooms
C fish, frogs, snails, birds
D algae, protozoans, bacteria, plankton
Explain why selective breeding of plants takes a long time (
Which statement best describes how homologous chromosomes are
separated during meiosis I?
A. The sister chromatids of each chromosome separate into different daughter
cells.
B. The two homologous chromosomes are not separated during meiosis I.
C. The two homologous chromosomes travel together into one new daughter cell.
D. The nonsister chromatids of each homologous pairs separate into different
daughter cells.
The two homologous chromosomes separate into two different daughter cells.
Answer:
two homologous chromosomes travel together into one new daughter cell.
Explanation:
in metaphase I the tetrads line themselves up at the metaphase plate and homologous pairs orient themselves randomly. in anaphase I centromeres break down and homologous chromosomes separate. in telophase I chromosomes move to opposite pols; during cytokinesis the cell separates into haploid cells.
I NEEEDDD HELP PLEASE
Answer:
the second answer choice
25% red, 50% pink, and 25% white
Explanation:
construct a punnett square with the genotype RW and cross them to get genotypes of RR, RW, RW, and WW.
RR is red and occurs once so that is a 25% chance (1/4)
RW is pink and it occurs twice so that is 50% (2/4)
WW is white which occurs once and it is another 25% (1/4)
The difference between a monohybrid cross and a dihybrid cross is that _
Answer:
A monohybrid cross is defined as the cross happening in the F1 generation offspring of parents differing in one trait only. A dihybrid cross is a cross happens F1 generation offspring of differing in two traits.
Explanation:
This is correct.
ome people have dimples; other people do not. Having dimples is dominant over not having dimples.
If the allele for having dimples is represented with the letter D, what allele combinations can result in having dimples?
Body cells that contain the full number of chromosomes, 46 in humans, are called
Answer:
somatic cells?
Explanation:
Describe each group’s role in the food web:
Producers:
Herbivores:
Carnivores:
Omnivores:
Detritivores:
Decomposers:
describe the role of insulin in regulating blood sugar levels
Answer:
Insulin helps control blood glucose levels by signaling the liver + muscle fat cells to take glucose from the blood. It then helps the cells to take the glucose to be use for energy, and if the body has sufficient energy, insulin signals the liver to take up glucose and store it as glycogen.
The various enzymes in our body are _____.
carbohydrates
lipids
nucleic acids
proteins
___________________________ are bodily structures that are similar in structure, but different in function, due to sharing a common ancestor
Answer:
Homologous structure
Explanation:
Have a great day
What is the difference between an infectious disease and a noninfectious disease?
A)the length of the disease
B)the severity of the disease
C)the cause of the disease
D)whether the disease is fatal
Answer:
A
Explanation:
Scientists looking for a repressor of the androgen receptor (AR)-mediated transcription gene discovered a protein, Ankrd1. ARs were observed to bind to Ankrd1 and, in cells where Ankrd1 was over-expressed, AR-mediated transcription was inhibited. The scientists also detected lower levels of ARs when Ankrd1 was overexpressed using chromatin immunoprecipitation (ChIP) and Ankrd1 was not detected by ChIP.Based on these observations, which of the following conclusions would the scientists most likely draw?
A. Ankrd1 is binding to ARs and preventing ARs from binding to the promoter, which inhibits mRNA transcription
B. Ankrd1 is binding to the promoter and blocking ARS from binding, which prevents transcription of AR- mediated genes.
C. Ankrd1 is binding to multiple sites and causing DNA to loop, preventing ARS from binding and activating gene transcription
D. Ankrd 1 is binding to chromatin, recruiting proteins that remove acetyl groups, and silencing transcription of that region of DNA.
Answer: A- Ankrd1 is binding to ARs and preventing ARs from binding to the promoter, which inhibits mRNA transcription.
Explanation:
Need help will give brainliest
Answer: 1. The epidermis, the outermost layer of skin, provides a waterproof barrier and creates our skin tone.
2. The dermis, beneath the epidermis, contains tough connective tissue, hair follicles, and sweat glands.
3. The deeper subcutaneous tissue (hypodermis) is made of fat and connective tissue.
Explanation: Hope this was helpful! :)
Moles and freckles are similar in that they are both:
skin abnormalities
growths
caused by an even distribution of melanin
caused by an uneven distribution of melanin
Answer:
I believe that the answer would be skin abnormalities.
Explanation:
Growths do not apply.
Melanin applies mainly to freckles.
Which of the following are carcinogens that can possibly cause cancer?
(Choose all that apply)
A. alcohol use
B. asbestos
C. UV radiation from sunlight
D. tobacco use (both smoking and chewing tobacco)
Answer:
all of them apply
A, B, C, and D
Answer:
All of the above can cause cancer in humans.
Explanation:
Heavy alcohol use can lead to liver cancer.
Asbestos can cause cancerous mesothelioma in the lungs.
Overexposure to UV rays in sunlight can cause skin cancer.
Smoking can cause lung cancer and chewing tobacco can cause oral cancer.
if you cross Bb with bb what's is the genotype ratio?
Answer:
Genotype ratio 1:1, there are two types of genotype BB and Bb in equal ratio.
Phenotype ratio 1:0, because all offspring have allele B. “B” is dominant and there is no bb genotype, so recessive trait will not be shown.
Explanation:
Answer:
I don't know about the ration but it's going to be 25% chance for them to have an offspring with blue eyes as there is a presence of a dominant allele