4,064 Answered Questions for the topic biology

Biology Science

12/23/20

write a paragraph using these words Natural selection Adaptation Fitness Heritable trait Survival of the fittest Variation
the wordsNatural selection Adaptation Fitness Heritable trait Survival of the fittest Variation
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12/23/20

Different Agar - MicroBio
Hi!I wonder, when determining the amount of CFU/g in ground meat, why is it more better to use TGE agar (tryptone glucose extract agar) than other types of agar, such as nutrient agar?Thanks!
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12/23/20

What is the differential diagnosis of HER2 positive breast cancer ?
What is the differential diagnosis of HER2 positive breast cancer ?
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12/22/20

Ground Beef Bacteria
Hi!I wonder: can mold and yeast also cause ground beef to go bad? Or is it only bacteria in ground beef that causes the change in color etc after expiration date?
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Biology

12/22/20

do Humans have a significant impact on the recent amount of biodiversity on Earth
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Biology

12/21/20

Are brains exclusively neuronal?
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Biology

12/18/20

The covalent bonds in sugar molecules can be broken to yield energy for living things. What is the ORIGINAL source of this energy?* adenosine triphosphate (ATP) heat sunlight carbon dioxide
Biology Biology Biology Biology Biology Biology Biology Biology Biology Biology Biology Biology
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Biology College Biology

12/18/20

Name the SEQUENTIAL stages of meiosis that generate spermatids from secondary spermatocyte
Name the SEQUENTIAL stages of meiosis that generate spermatids from secondary spermatocyte
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Biology College Biology

12/18/20

If a cell has 4 chromosomes how many chromosomes are present in the progeny cells at the end of mitosis
If a cell has 4 chromosomes how many chromosomes are present in the progeny cells at the end of mitosis
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Biology College Biology

12/18/20

What type of cell division cycle would you not find in the blastula stage of embryos?
What type of cell division cycle would you not find in the blastula stage of embryos?
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Biology Genetics

12/18/20

How to calculate fatal encounters?
The density of blue-ringed octopus on a particular beach in Australia can be modeled by the function H(for Hapalochlaena) = 10^-5*(0.2 + 0.1*sin (t - 6)) , where t is the month of the year (JAN=1,... more
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12/17/20

When is steve perrys birthday
I am doing a project research, trying to figure out!!
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Biology

12/16/20

If a DNA molecule has 32 % guanine before semi-conservative replication occurs, what percent thymine will each new DNA molecule have after replication? Question 2 options:
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Biology Science

12/15/20

Population Dynamics
At the beginning of a year, there were 1923 painted turtles in a population. Over the year, 343 painted turtles were born, 176 died, 72 immigrated from other areas, and 12 emigrated.(a) Determine... more
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12/15/20

Questions please help
A 45 year-old woman complaining of breast pain was diagnosed with having HER2-positive breast cancer. The patient underwent lumpectomy followed by a period of chemotherapy including adjuvant... more
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12/15/20

question about cancer
A 45 year-old woman complaining of breast pain was diagnosed with having HER2-positive breast cancer. The patient underwent lumpectomy followed by a period of chemotherapy including adjuvant... more
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12/15/20

Breast Cancer Problem
A 45 year-old woman complaining of breast pain was diagnosed with having HER2-positive breast cancer. The patient underwent lumpectomy followed by a period of chemotherapy including adjuvant... more
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Biology Science Genetics

12/15/20

Genetics Cross Chart Question
In cross between a tall pea plant and a short plant, 60 plants were produced, 28 of which were tall and 32 were short. What are the genotypes of the parent plants? T represents the allele for... more
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Biology

12/14/20

please help me answering ASAP
Imagine you were asked to extract DNA from the cells of another plant species. Choose 3 species of plants and research the size of their genome. How many chromosomes does the species have? Is the... more
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Biology

12/13/20

Construct a numerical dichotomous key using all eighteen Minnesota native species posted below.

HELP ME PLEASE!! ASAP THANK YOU
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12/12/20

Serial dilution/dilution factor problem
How would you prepare a 10-2 and 10-4 dilutions if you are provided with 2 saline tubes each containing 4.95ml saline and a tube of undiluted culture.What is the initial concentration of undiluted... more
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Biology Anatomy

12/11/20

PLEASE I NEED HELP ASAP, Lab l. – Animal Tissue and Bones
I need to describe the trachea Trachea, H&E, 40X (small arteries and veins) in detail for my lab, I need to pick three different pictures and describe them, please anything would be helpful,... more
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Biology

12/10/20

How does the circulatory system play a direct role in reproduction?
ANSWER CHOICES:a. The brain stem controls the heart rateb. Blood carries nutrients to body cellsc. Stomach muscles contract and expandd. Blood transports hormones involved in reproduction
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Biology

12/10/20

The extreme speeds of cheetah
how a biologist would explain how this adaptation of extreme speeds of cheetahs became established in the population, starting at the level of DNA and incorporating all aspects of the theory of... more
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12/09/20

Name at least three targets molecules that get phosphorylated
Name at least three targets molecules that get phosphorylated by mitotic Cdk after its activation by the appropriate cyclin at the onset of mitosis (prophase)Then, describe the specific changes in... more
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