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Ingrid Acosta
BiologyBiology
How are the human and sheep brain similar and different?
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Enrique Castro
BiologyBiology
How are Xylem and Phloem different?

Describe the path of water through the plant - this is called Transpiration.

Where should you give a plant water? Explain your answer. What happens to the plant if we don't give it water?

How does Xylem relate to the rings of a tree? How can we tell the age of a tree by its rings?

Why are some plants carnivorous (why do they eat insects/other animals) ? Give an example of a carnivorous plant, and explain how it "eats".
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Zane Villanueva
BiologyBiology
Do all cells have a cell membrane?
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Baby Cakes
BiologyBiology
Explain how an element like carbon can be included in both the biotic and abiotic factorsof an ecosystem
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Russell
BiologyBiology
Which statement is true about pandemics and endemics?

A) a pandemic can escalate into an epidemic.

B) an epidemic can escalate into a pandemic.

C) a pandemic is localized in one area while an epidemic is spread across countries.

D) a pandemic only involves infectious diseases while an epidemic only involves noninfectious diseases.
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Zoie Navarro
BiologyBiology
The role of the cholesterol molecules (pink) in the phospholipid bilayer can best be described by what statement?

A) Cholesterol molecules allow ions to pass freely through the membrane.

B) Cholesterol molecules maintain fluidity and integrity of the membrane.

C) Cholesterol molecules allow water to pass freely through the membrane.

D) Cholesterol molecules allow proteins to be actively transported through the membrane.
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Amina Benson
BiologyBiology
During which step of cellular respiration is the most ATP produced? A. Krebs cycle B. Glycolysis C. Photosynthesis D. Electron Transport Chain
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Scott Cunningham
BiologyBiology
Explain what a concentration gradient is and what it means for a molecule to diffuse down its concentration gradient
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Veronica Reeves
BiologyBiology
Which of the following will decrease the ph of a neutral solution?
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Adriana Dickerson
BiologyBiology
What was thomas malthus's theorem? food supply grows arithmetically, but population grows geometrically. both the food supply and the population grow geometrically. food supply grows geometrically, but population grows arithmetically. regardless of population growth, there will always be enough food to feed everyone?
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Ian Powell
BiologyBiology
Explain how amino acids form proteins
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Timothy Fernandez
BiologyBiology
Which of the following will lead to speciation?

A. Variation in gene pool

B. Lack of mutations

C. Absence of natural selection
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Matilda Vaughn
BiologyBiology
According to the National Institute of Health, an ectopic pregnancy occurs when a fertilized egg grows in an abnormal place, usually in the fallopian tubes. The result is usually a miscarriage.

Which of the following procedures would correct an ectopic pregnancy?

Surgically moving the embryo into the uterus

Surgically moving the embryo into the vagina

Surgically moving the embryo into the ovary

Surgically moving the embryo into the cervix
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Itzel Cole
BiologyBiology
What would happen to Earth's tides if the distance between Earth and the Moon increased?
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Isabell Garcia
BiologyBiology
Meiosis and sexual reproduction are, in large part, responsible for genetic variation within a population. Meiosis supports genetic variation in several ways. All BUT ONE applies to meiosis and genetic variation.

A) independent assortment of chromosomes

B) recombination of chromosomes during crossing over

C) replication of chromosomes at the beginning of the process

D) only one of the two alleles for a trait is passed to offspring
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