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Biology

Janiah Frank

A population is growing exponentially what can you conclude

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Biology

Davin Cowan

What is described in the following equation? 2H2 (g) + O2 (g) → 2H2O (l) A. helium gas combining with oxygen gas to form water B. hydrogen gas combining with oxygen gas to form water C. hydrogen gas combining with water gas to form hydroxide D. water decomposing to oxygen gas and hydrogen gas

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Biology

Peyton Boyd

During the polymerase chain reaction, the two DNA strands are separated at 95°C, after which the reaction mixture is cooled to 54°C to allow the primers to hybridize to the DNA strands. Why do primer‑template hybrids form instead of parent DNA duplexes?

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Biology

Greyson Mckee

Which of the following describes a benefit of membership in research community?

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Biology

Seth Horn

Two roommates with little botanical knowledge thought they could make a quick profit by growing ferns for the commercial florist market. They thought it would be very easy. All they had to do was collect the thousands of spores produced by a fern on their desktop and plant these like tiny seeds in individual pots. If they placed the pots in the sun, fertilized and watered the spores, and waited about a year, they would have plants that they could sell. Why are they doomed to failure

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Biology

Isaiah Rangel

Some have cell walls with lipopolysaccharide.

a. Archaea

b. Bacteria

c. Both Archaea and Bacteria

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Biology

Leah Estes

Which is NOT a negative consequence of acid rain? A) damages plants and trees B) kills fish and amphibians C) gives soil a better pH for growing crops D) chemical weathering of buildings and concrete

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Biology

Krish Page

Which of the following must exist in a population before natural selection can act upon that population? A. genetic variation among individuals B. variation among individuals caused by environmental factors C. sexual reproduction (random fertilization) D. A and C only E. A, B and C

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Biology

Marina

What do rabbits like to eat?

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Biology

Belen Ayers

5) Nerves and blood vesselsthat service a muscle ﬁber arelocated in the connectivetissues of itsA) myoﬁbrils. B) sarcolemma. C) sarcomere. D) endomysium. E) perimysium.

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Biology

Aryana Cross

What organism produces botox?

a.

e. coli

c. l. leo

b. h. sapiens

d.

c. botulinum?

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Biology

Guest

When is phosphorus released back into the earth

A) after they die

B) when they release their waste

c) after volcano

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Biology

Aliana Fernandez

Cells require glucose as a source of energy to carry out life processes. Large molecules like glucose cross the cell's plasma membrane by?

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Biology

Tramp

Explain why fewer plants are at the bottom of deep lakes

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Biology

Maximo

In avocets, curved beaks result from a Z-linked recessives gene. A curve-beak male is mated with a flat-beaked (normal) female. The F1 are interbred to produce the F2. What is the probability of producing a curve-beak female in the F2

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