4,064 Answered Questions for the topic biology
Biology Science
03/08/23
A scientist is studying an organism that is similar to early life on Earth. The scientist observes structures form in the organism that appear as oily spheres with an inner fluid.
A scientist is studying an organism that is similar to early life on Earth. The scientist observes structures form in the organism that appear as oily spheres with an inner fluid.Of which type of...
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Biology
03/07/23
A biology question
Blood types A and B are codominant. O is recessive. Rh factor is determined by a different gene. The allele for a positive Rh factor is dominant over the allele for a negative Rh factor. Based on...
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03/07/23
Compare and contrast the sterilization techniques (vasectomy and tubal ligation) and the temporary and reversible methods.
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03/07/23
Describe the two types of cycles that occur in female mammals (menstrual vs. estrous).
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03/07/23
What hormones are responsible for inducing and regulating labor?
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03/07/23
List some changes that occur with the fetus/mother during the 1st, 2nd, and 3rd trimesters.
Biology
03/06/23
Why do antibiotics like penicillin not work when treating malarial infection?
A). Penicillin inhibits proteins that link peptidoglycan in an organism's cell wall.B). Penicillin inhibits diffusion across a cell membrane.C). Penicillin is a cure for viruses.D). Penicillin only...
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Biology
03/06/23
Which of the following is not an angiosperm fruit?
A). ApplesB). AlmondsC). TomatosD). Dandelions (puffed out with seeds)E). Sweet potatoesI think its between the Dandelions, Almonds or the sweet potatoes.
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Biology
03/06/23
What is a benefit of plant ancestors moving to colonize land?
A). Lots of energy was availableB). Lots of water was availableC). More competitionD). Land herbivores were commonI think its between A and D because there was more water available in the oceans...
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Biology
03/06/23
Lichens are a symbiotic relationship between what three types of organisms?
A). Animal and Protist and PlantB). Plant and Animal and Fungi C). Archaea and Fungi and BacteriaD). Fungi and Plant and FungiE). Fungi and Fungi and Protist
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Biology
03/06/23
Which of the following is not an example of evolution
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Biology
03/03/23
Sympatric speciation is speciation with barriers. true or false?
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Biology
02/28/23
What is the structure and function of DNA, and how does it replicate?
DNA (Deoxyribonucleic acid) is a molecule that carries genetic information in all living organisms. It is a long, double-stranded, helical structure that consists of four nucleotide bases: adenine...
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Biology
02/27/23
What characteristic is most unique to animals?
A) Formation of specialized layers during developmentB) Sexual reproductionC) MulticellularityD) Heterotrophic nutritionMy Guess is A because both plants and animals can s e x u a l l y reproduce...
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Biology
02/25/23
First time user...
How do I confirm in the calendar with a tutor?
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Biology Genetics
02/25/23
What mode of inheritance does the pedigree suggest?
Based on the gel electrophoresis results and pedigree shown in the image, what mode of inheritance is suggested? The bands are characteristic gene fragments showing 2 alleles of a given gene. Using...
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Biology
02/25/23
How does the circulatory system help maintain homeostasis in the body?
The circulatory system, also known as the cardiovascular system, plays a crucial role in maintaining homeostasis in the body. Homeostasis refers to the balance of various internal conditions, such...
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Biology Microbiology
02/24/23
Which cell movements really do occur in Avian's gastrulation?
I thought it was Ingression, because the cells are migrating away from epiblast to form the primary hypoblast. But the key book said that it is supposed to be delamination. So can you explain why...
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Biology
02/23/23
Which of the following are functions of the Hox genes. (Multiple answers may be chosen. Choose only the answer that apply).....
A. The Hox genes cause mutations in chromosomes of animals.B. The Hox genes will catalyze the fixation of carbon dioxide during photosynthesis.C. The Hox genes regulate the actions of signaling...
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Biology
02/23/23
Biology homework help..?
Which of the following best describes prokaryotes and eukaryotes? Prokaryotes have a nucleus and eukaryotes do not. Prokaryotes do not have a nucleus; eukaryotes have a nucleus. Both have...
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Biology
02/22/23
How does Darwin's descent with modification idea explain complex structures?
How does Darwin's descent with modification idea explain complex structures?A. Mitosis enables unique features to develop in populationsB. Evolution decides which features are most beneficial.C....
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Biology
02/22/23
Is evolution goal oriented?
Is evolution goal oriented?A. Yes – evolution wants to force the optimal development of an organism.B. No – Natural selection can only improve a structure in context of its current use.C. Yes –...
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