BIOLOGY COLLEGE

True or False. There are only two broad categories called kingdoms.

Answers

Answer 1
Answer:

Living things are divided into five kingdoms: animal, plant, fungi, protist and monera. Living things are divided into five kingdoms: animal, plant, fungi, protist and monera.

Related Questions

A patient is admitted to your emergency room because of uncontrollable flailing arms. After a quick test, you determine the cell membranes in their arm nerves are damaged, and the cells aren’t signaling properly. Which type of protein needs to be repaired?
Four students described the characteristics of four different states of matter. The table below shows the description given by each student.Description of States of MatterStudent DescriptionTimothy Takes the shape of the containerAmelia Charged particles moving independently in large spaceJack Particles arranged in a fixed latticeDerrick Takes the entire space availableWho described gases?TimothyAmeliaJackDerrick
HELP ASAP When were stem cells first removed from embryos? Why is this controversial?What are the current U.S. laws regarding embryonic stem cells? In youropinion, should scientists continue research with stem cells, or if you had adisease and would benefit from the stem cell therapies, would you wantscientists to continue their research?
What enzyme splits the hydrogen bonds?
Which of the following statements correctly describes why a series of closely spaced action potentials causes a sustained contraction rather than a series of closely spaced twitches?a. Ca2+ ions are released quickly from troponin, keeping the Ca2+ concentration in the cytosol high between closely spaced action potentials.b. Release of Ca2+ from the sarcoplasmic reticulum through channels is slow compared to the uptake of Ca2+ into the SR via ATP-dependent pumps, resulting in Ca2+ slowly trickling into the sarcomeres between closely spaced action potentials.c. When a series of action potentials is closely spaced, there is not sufficient time for Ca2+ uptake into the sarcoplasmic reticulum between action potentials, and Ca2+ remains bound to troponin throughout the series.d. Fewer Ca2+ ions are released from the sarcoplasmic reticulum as a result of several closely spaced action potentials than as a result of a single action potential.

You work in a laboratory that studies the molecular biology of tribbles. [Although tribbles are an alien life form, assume here that the molecular biology of tribbles is identical to that of eukaryotes on Earth.]Your lab has a genomic library of tribble DNA, as well as a cDNA library made with mRNA extracted from whole tribbles. The lab also has a collection of live tribbles that can be used to isolate RNA or DNA, and a supply of fixed tribbles that can be stained for gene expression.Your advisor provides you with a cloned 100 bp DNA fragment that represents part of the protein-coding region of a tribble gene. Using the tools described in the previous paragraph and the molecular biology techniques we have discussed in class, how would you accomplish each of the following aims? Note: try to come up with the simplest and modest direct approach that will give you the desired information.A. Determine the amino acid sequence of the complete protein produced by that gene.B. Determine whether or not the gene contains introns.C. Determine whether the RNA produced by that gene experiences alternative splicing.D. Determine the length of the mature mRNA(s) produced by the gene. This includes the UTRs and the poly-A tail.E. Determine which cells in the tribble body do and do not express mRNA from this gene.F. You discover a blood stain in the lab, and you want to determine whether it is human blood or tribble blood. How can you do this using the molecular biology tools described above?

Answers

Answer:

Explanation:

A) to determine amino acid sequence of the protein produced by that gene. We will use cDNA library, we will hybridize given part of DNA sequence ( as this part only contains exon part). Than we will isolate the hybridize part and translate this sequence using generic coding table.

B) for determine presence or absence of introns in gene used isolated cDNA in first question. Now we will add this cDNA to DNA library. Here cDNA due to complementary mature binds with DNA. If cDNA binds completely with gene with out looping part of gene it shows that gene is having only exons .

And if along with hybridization part some looped part present in between-- it shows both exons and intron are present.

C) for determining alternative splicing we will use cDNA library.

d) to determine length of mature mRNA which includes both the UTR and poly A sequence we will go for cDNA cloning and look for particular cDNA complementary to DNA segments. And later we isolate that cDNA and examine its whole length

E) to determine which cells in the tribble body express this particular mRNA . We use fluorescent tagged small DNA part provided. Then we will add this DNA probe to supplied tribes. The cells which are expressing , will have cDNA will bind to probe and florescent can be detected. Cells which are not expressing that gene, here probe will not bind and no fluorescence.  

F) to determine that whose blood strain is this. We will do VBTR profiling . Which VNTR profiling similar to belief stain help to determine which blood stain is this.

Describe how one of the occupations that you studied would use descriptive statistics when performing their job

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Answer:

Given the nature of descriptive statistics, psychologists will use descriptive statistics to assemble data about their clients through their observations of clients' behavioral patterns.  Then a sample of the data will be taken.  The sample is summarized statistically, interpreted, and recorded.  Psychological reports can be issued based on the observed statistical results.

Explanation:

Psychologists and other occupations use descriptive statistics to describe the basic features of the data in their studies or experiments. Descriptive statistics provide simple generalizable summaries about the observed sample and the calculated measures. Using simple graphics, they form the basis of quantitative data analysis.

Which type of transport requires energy to move a cell

Answers

Answer:

Active transport.

Hope this helps!

What happens when a cell reaches the Hayflick limit ? Why does this have to happen for the health of the cell?

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Answer:

The Hay-flick Limit is a concept that helps to explain the mechanisms behind cellular aging. The concept states that a normal human cell can only replicate and divide forty to sixty times before it cannot divide anymore, and will break down by programmed cell death or apoptosis.

In general, which factor is NOT critical when beginning an exercise program?A. using appropriate protective equipment during exercise
B. finding friends who like to exercise the same way you do
C. seeing your doctor for a physical assessment prior to beginning exercise
D. choosing clothing that is designed to match your exercise program
Please select the best answer from the choices provided.
Ο Α
B
OD

Answers

Answer:

The non-critical factor when a person begin an exercise program is finding friends who like to exercise the same way you do.

Explanation:

Physical exercise is an ideal way to stay healthy. It is a personal activity that should be done in the best way and with a minimum risk. Finding friends who like to exercise can contribute to motivation, but it is not an indispensable element when establishing a personal exercise routine.

Since it is a personal activity that affects an individual's health, personal factors should be considered when establishing a exercise program.

Regarding the other options, which are important factors for the exercise :

  • Use appropriate protective equipment during exercise, allows to avoid injuries during physical activity.
  • See the doctor for a physical assessment prior to beginning exercise, establishing the state of health and physical condition appropriate for this activity.
  • Choose clothing that is designed to match your exercise program,  which must be comfortable and light, allowing maximum performance to be achieved.

Without bacteria in the environment a. adequate amounts of carbon would not be available to living organisms.
b. plants would not be able to grow due to lack of nitrogen.
c. bioremediation would have limited use as a tool to clean up pollutants. .
d. there would be a shortage of decomposer organisms.
e. All of the choices are correct.

Answers

Answer:

e. All of the choices are correct.

Explanation:

Bacteria are present almost everywhere on Earth. Many bacteria like cyanobacteria play an important role in fixing the atmospheric carbon in the form of an organic molecule. These organic molecules then used to gain energy.

Many nitrogen-fixing bacteria like Rhizobium,  Azotobacter, etc plays an important role in providing nitrogen to plants which is important for their growth. Many bacteria decompose organic matter into simpler form and recycle the nutrients present in them.  

So bacteria like Pseudomonas putida decompose waste and clean the environment, therefore, they also help in bioremediation. So the correct answer is e. All of the choices are correct.

Answer: e. All of the choices are correct.

Explanation: Bacteria is an important part of the ecosystem. There are some bacterial species which we called (biological nitrogen fixation (BNF). These bacteria fixes atmospheric nitrogen for higher plants. There are some other bacterial species which feed on dead bodies of living material and helps in cleaning the environment. Due to this decomposition process high amount of carbon is liberated in the atmosphere and used by the plants during photosynthesis.

Other Questions
Which of the following would be the last step in the process of DNA fingerprinting? A DNA sample is obtained. B. Restriction fragments are separated. C. Restriction enzymes are used to cut DNA into fragments. D. DNA fragments containing repeats are labeled with radioactive probes.
Fatima suffered a brain injury and is having difficulty understanding spoken language. Which area of her brain is most likely to have beendamaged? O Broca's area Wernicke's area Motor cortex Cerebellum
Imagine you are following a particular tRNA, called tRNAQ, through the process of translation in a eukaryote. Consider the steps of tRNAQ translation. 1. The polypeptide is transferred to tRNAQ. 2. tRNAQ binds the A site of the ribosome. 3. tRNAQ binds the P site of the ribosome. 4. The ribosome shifts, with tRNAQ still bound. 5. tRNAQ binds the E site of the ribosome. In what order does tRNAQ go through the steps listed
Which of the following provides the best justification for the contention that Archaea are more closely related to Eukaryota than they are to Bacteria?O Multicellular organisms are found in both Archaea and Eukaryota but not in Bacteria. O Cell membranes with ester-linked fatty acids are found in both Archaea and Eukaryota but not in Bacteria. The composition of cell walls is similar in Archaea and Eukaryota but not in Bacteria. The single-celled prokaryotic cells of Archaea and Eukaryota are visually similar, but Bacteria is not.