Answer:
This is an accurate statement. Did you have a question?
Explanation:
This is nothing. I can't anwser to this.
Prompt
Describe the typical conditions necessary for fossil formation.
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BIUS X, X
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body P
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
Describe each group’s role in the food web:
Producers:
Herbivores:
Carnivores:
Omnivores:
Detritivores:
Decomposers:
What can be used to illustrate evolutionary classification, or cladistic analysis
___________________________ 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
While frying French fries, Wanda burned her hand. Burns are examples of a:
skin abnormality.
homeostatic balance.
skin infection.
homeostatic imbalance.
Answer:
Damage to the skin or deeper tissues caused by sun, hot liquids, fire, electricity, or chemicals.
The degree of severity of most burns is based on the size and depth of the burn. Electrical burns, however, are more difficult to diagnose because they're capable of causing significant injury beneath the skin without showing any signs of damage on the surface.
Explanation:
hope this helps, lovely!! Have a great day <3
Answer:
D
Explanation:
homeostatic imbalance
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.
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structure that helps move bacteria is called a
Explanation:
Flagella - Flagella (singular, flagellum) are hairlike structures that provide a means of locomotion for those bacteria that have them. They can be found at either or both ends of a bacterium or all over its surface.
Research on laboratory rats suggests that hunger is controlled by the
A. prefrontal cortex
B. hypothalamus
C. amygdala
D. cerebellum
Please select the best answer from the choices provided
Answer:
b hypothalamus
Explanation:
The hypothalamus controls hunger and satiety. Therefore, option (B) is correct.
What is the role of hypothalamus?
The hypothalamus regulates circadian rhythms, appetite, thirst, and body temperature. The study of illnesses and diseases associated to the neuroendocrine system may benefit from using rat hypothalamic neurons.
The arcuate nucleus, or infundibular nucleus in humans, is a region of the hypothalamus that permits peripheral peptides and proteins to cross the blood-brain barrier and interact with its neurons.
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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)
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.
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.
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.
A space used in industry or research settings that has a controlled level of contaminants is called a __________.
Answer:
Clean room.
Explanation:
An experiment can be defined as an investigation which typically involves the process of manipulating an independent variable (the cause) in order to be able to determine or measure the dependent variable (the effect).
This ultimately implies that, an experiment can be used by scientists to show or demonstrate how a condition causes or gives rise to another i.e cause and effect, influence, behavior, etc in a sample.
Cause and effect can be defined as the relationship between two things or events in which an occurrence one (cause) leads to the occurrence of another (effect).
Hence, a space used in industry or research settings that has a controlled level of contaminants is called a clean room.
A clean room refers to environment or laboratory that is typically free from dust, pollution or any form of contaminants, used for carrying out experiments and manufacturing processes.
1. What makes California special in terms of biodiversity?
Answer:
California is a biodiversity hot spot because of its unique geography, climate, geologic history and size. California’s network of terrestrial protected lands covers 46% of the state.
Explanation:
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
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??
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
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
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:
Please Help!! I need it :)
I think it's endoplasmic reticulum:)
The various enzymes in our body are _____.
carbohydrates
lipids
nucleic acids
proteins
help me pls answer..
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.
Can anyone help me with finding answer?!
before I answer this question can you specify it
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
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.
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
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?
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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