Which best describes a difference between single-celled organisms and multicellular organisms?
O A Single-celled organisms are simple, while multicellular organisms are complex,
OB. Single-celled organisms have many functions, while multicellular organisms have one function.
O c. Single-celled organisms can live without water, while mufficellular organisms cannot live without water.
D. Single-celled organisms can only be found in one specific environment, while multicellular organisms can be found anywhere on
Earth
Answer:
O A Single-celled organisms are simple, while multicellular organisms are complex,
hello, I need help with this. Have a nice day!
Answer:
It's drum. Guitar too, I guess.
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! :)
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
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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What can be used to illustrate evolutionary classification, or cladistic analysis
Which statement indicates one difference between the gene that codes for insulin and a gene that codes for testosterone in humans
Answer:
hello your question lacks the required option below are the missing options
A) The gene for insulin is a sequence of five different molecular bases while the gene for testosterone is a sequence of only four different molecular bases.
B) The gene for insulin is replicated in vacuoles, while the gene for testosterone is replicated in mitochondria
C) The gene for insulin has a different sequence of molecular bases than the gene for testosterone.
D) The gene for insulin is turned ON in liver cells, but the gene for testosterone is not
answer : The gene for insulin has a different sequence of molecular bases than the gene for testosterone ( C )
Explanation:
The statement that indicates the difference between the gene that codes for insulin and a gene that codes for testosterone is ; The gene for insulin has a different sequence of molecular bases than the gene for testosterone.
Genetic codes are determined basically by the four types of nitrogen bases contained in the molecules of the DNA ,
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:
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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A__ country has a high population density.
Explanation:
Bangladesh................
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.
Prompt
Describe the typical conditions necessary for fossil formation.
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BIUS X, X
22
TT
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
The smallest living things we have around, thanks to this tool they were eventually found – What is it?
This type of energy is caused by internal motion of particles. It can transfer as radiation, conduction or convection. What type of energy is it?
Answer:
Thermal Energy
Explanation:
i say this because it involves internal motion of particles, which does with thermal energy
___________________________ 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
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
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.
what scientist determine the rule that A always pairs with T and C alway pairs with G
Explanation:
These base pair relationships are often called Chargaff's rules of DNA base pairing, named after the Columbia University scientists who observed that there are equal molar concentration of A & T, as well as G & C in most DNA molecules.
Answer:
Erwin Chargaff
Explanation:
Erwin Chargaff found that in DNA, the ratios of adenine (A) to thymine (T) and guanine (G) to cytosine (C) are equal.
(dnalc.cshl.edu)
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:
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??
Explain why selective breeding of plants takes a long time (
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Answer:
I think its b but I'm not sure
don't hate me if I'm wrong
Pls help me, this is science btw.
Answer:
(B) and (E)
Explanation:
It is not option (A) because it says that Lactobacillus is a kind of bacteria that harms you, not is good for you, and parasitic bacteria are harmful to you, so not (A).
Not (C) because it does not make any sense whatsoever.
Not (D) since that says that S. typhi has a mutualistic relationship, which is good for both organisms, which is not true in this case.
It is (B) because the harmful bacteria, S. typhi is a parasite to humans.
It is also (E) since that says that the Lactobacillus bacteria does share a good relationship with humans.
Which of the following do not match?
Prokaryotic and Anaerobic OR Eukaryotic and Anaerobic0
The early ___ believed that the universe was large rectangular box
A)Chinese
B)Asians
C)Egyptians
Answer:
the Egyptians believed that god was the holder of the universe and the Chinese believed something very similar so your best answer is asian
Explanation:
One of the differences between embryonic stem cells and adult stem cells is ?
Answer:
One major difference between adult and embryonic stem cells is their different abilities in the number and type of differentiated cell types they can become. Embryonic stem cells can become all cell types of the body because they are pluripotent.
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.
one of the seed banks has been storing seeds of a rare and endangered plant to keep the seeds fresh.120 of the seeds of this plant were selected to be grown out of this 120 seeds only 90 germinated
what percentage of the seeds was not fertile?show all your working
Answer:
25%
Explanation:
According to this question, a seek stored seeds of a rare and endangered plant. In order to ensure that the seeds remain fresh, 120 seeds are selected to be grown. However, out of these 120 seeds, only 90 germinated. This means that only 90 of 120 seeds are fertile.
This further means that (120-90) = 30 seeds are infertile and hence, could not germinate. In percentage, this can be represented as:
30/120 × 100
= 1/4 × 100
= 100/4
= 25% of the selected seeds are infertile.
The meiotic division takes place
(b) body cells
(d) Vegetative cells
(c) Reproductive cells (sex cells)
(a) Skin cells
Answer:
C reproductive cells ( sex cells)