4,064 Answered Questions for the topic biology

Biology

09/30/22

Open VS closed circulatory system
What differentiates a closed circulatory system from an open circulatory system?a) the presence of vesselsb) the presence of a heartc) direct contact of circulating fluid with tissuesd) the... more
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Biology Ecology

09/28/22

An organism that exhibits the effects of human influence in an environment is a(n)
indicator specie invasive specieskeystone speciesspecialist species
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Biology

09/28/22

Every member of a food web is the prey of another member of the food web. explain
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Biology

09/28/22

All members of a food web are equal in abundance(number) and in their relative effects on one another. explain.
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Biology

09/26/22

VERY Biology Question!
Why do we get gooosebumps when we listen to a specific song?I would like to know how is this working (biologically)
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Biology Chemistry

09/24/22

Photosynthesis question

Compare and contrast the flow of carbon in photosynthesis and cellular respiration. How are they similar and how are they different?
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Biology Science

09/24/22

What 5 enzymes are found in grapes? What does each of them do?
I learned that enzymes play a big role in winemaking. But most of the enzymes I've read about are from the same families, Pectinase and Glycosidases which almost serve the same purpose.
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Biology

09/22/22

Animal physiology - fishes

Blood flow through the gills of a fish, is arranged in a __________ fashion.a) convectionb) concurrentc) countercurrentd) crosscurrentwould the correct answer be countercurrect?
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Biology

09/22/22

What two types of cells contain chloroplasts?
Which two types of cells contain chloroplasts? Is this in the process of photosynthesis?
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Biology

09/21/22

When you have seen primates in person, did you observe any facial expressions, behaviors, or physical traits that seemed familiar to you
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Biology

09/20/22

What are the potential consequences of off-target cleavage or non-specific target recognition? Describe a way researchers are trying to minimize off-target effects.
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Biology

09/17/22

TERRESTRIAL VS AQUATIC
True or false? Animals living in terrestrial environments have limited oxygen available in comparison to animals living in aquatic environments. I think its false because it's easier for... more
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Biology

09/16/22

What would happen to a cell if the transport of materials across its membrane could not take place?
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09/12/22

Cardiovascular and circulatory system
Differentiate between the cardiovascular and circulatory systemDescribe four chambers of the heart.
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Biology

09/12/22

Replicate the following DNA sequence
ATT CGA ATC GGG GTA CTA
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09/12/22

Senior High school Project ideas - Scientific

Hi! I’m doing a big project in Senior high school right now that plays a huge part in my graduation and would appreciate some help!I have to come up with an idea/subject that includes a good... more
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Biology

09/11/22

Carbonic acid is an important buffer
Carbonic acid is an important buffer (pH~7.4) in biological systems and can partially breakdown according to the following reaction: H2CO3 ↔ H+ + HCO3- a. Indicate which components are the weak... more
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Biology Microbiology

09/11/22

Answer in scientific notation
Convert 35dg to kg Convert 0.003ml into microliter Convert 5nm to micrometer Convert 750 microliter to centiliters Convert 100x10^3 m into km
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Biology

09/05/22

What effect do foods with high glycemic index have on the body?
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09/04/22

Help me write a story
please help me write a childrens story that including these words,   Biology, homeostasis, reproduction or reproduce, metabolism, evolve, biosphere, tertiary consumer, autotroph, scavenger,... more
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Biology Microbiology

09/04/22

Do allergies make our immune system better?
Dear experts,I've read articles & researches that allergies prevent infections (even more the ASTHMA).How is that possible? Is it because they keep the Immune system active?If im right, mast... more
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09/02/22

Identifying Bond Type Lab Write up
Identifying Bond Type Lab Write upChoose one of the substances that you tested. Then, answer all the following questions. Your answer should include at least five complete sentences. Which... more
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08/26/22

A researcher is trying to study a enzyme-catalyzed reaction in lab. while the reaction is fully saturated with substrate, what should he do to speed up the reaction..?
Options are :A) Add more enzymeB) Adjust the pH to 7.2C) Increase the temperatureD) Remove some substrate
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Biology

08/24/22

Inheritance Trait
The trank is a hypothetical diploid animal having 22 chromosomes in each of its somatic cells. Just like in humans, the female is the homogametic sex—all of her somatic cells contain 2 sex... more
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Biology Chemistry

08/24/22

Bio - Chemistry Question
Dear experts,I would like to receive help in distinguishing the monosaccharides so i can answer this question:Which of these substances is a monosaccharide?0 Maltose0 Amylose0 Sucrose0 Galactose0... more
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