BIOLOGY HIGH SCHOOL

Which equation has both a liquid and a gas as products?A. 2HgO(s)->2Hg(I)+O2(g)
B. 2Mg(s)+O2(g)->2MgO(s)
C. 2KCIO3(s)->2KCI(s)+3O2(g)
D. Mg(s)+2HCI(aq)->H2(g)+MgCI2(aq)

Answers

Answer 1
Answer: I believe the correct answer is option A. The equation that has both a liquid and a gas as products is:

2HgO(s)->2Hg(I)+O2(g)

Looking at the state of the products, we have l and g which means for liquid and gas, respectively. This is not exhibited by other choices presented.
Answer 2
Answer: A

Reactants are to the left of the arrow and products are to the right of the arrow
(l)=liquid
(g)=gas
(s)=solid

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Which energy conversion takes place in plant cells, but never in animal cells? a.chemical energy to the energy of motion
b.light energy to chemical energy
c.chemical energy to light energy
d.the energy of motion to sound energy

Answers

b is the correct answer

Final answer:

Correct Option Is b. light energy to chemical energy.

The energy conversion of light energy to chemical energy, known as photosynthesis, occurs in plant cells but not in animal cells.

Explanation:

The energy conversion that takes place in plant cells but never in animal cells is the conversion of light energy to chemical energy. This critical process is called photosynthesis.

During photosynthesis, plants absorb light energy, usually from the sun, and transform it into chemical energy stored in the form of glucose or other sugars. This chemical energy is then used by the plant for growth and development.

On the other hand, animal cells do not have the capability to carry out photosynthesis because they lack the necessary organelle, chloroplasts, and pigments required for absorbing light energy.

Learn more about Energy Conversion here:

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What is the function of the promoter in a DNA molecule? It provides RNA polymerase with a place to terminate transcription.
It provides RNA polymerase with a place to begin transcription.
It provides DNA polymerase with a place to terminate transcription.
It provides DNA polymerase with a place to begin translation.

Answers

The right answer for the question that is being asked and shown above is that: "It provides DNA polymerase with a place to terminate transcription." the function of the promoter in a DNA molecule is that It provides DNA polymerase with a place to terminate transcription. 

.P indicates the allele for purple flowers and p indicates the allele for white flowers. Which statement about the offspring is correct? P p P p A. 25% will be heterozygous, 25% will be homozygous dominant, 50% will be homozygous recessive B. 50% will be heterozygous, 0% will be homozygous dominant, 25% will be homozygous recessive C. 75% will be heterozygous, 25% will be homozygous dominant, 0% will be homozygous recessive D. 50% will be heterozygous, 25% will be homozygous dominant, 25% will be homozygous recessive

Answers

The answer is D because:

by using a punnett square we get the following values:

PP - Homozygous Dominant (two uppercase letters)
Pp - Heterozygous Recessive (one lower case)
Pp - Heterozygous Recessive (one lower case also)
pp - Homozygous Recessive (two lowercase letters)

Answer:

D. 50% will be heterozygous, 25% will be homozygous dominant, 25% will be homozygous recessive

Explanation:

The purpose of a Punnett square is to illustrate the possible allele combinations that can be inherited by the offspring of two parents

One concern that arises from building a dam is that fish are not able to migrate. One way that fish can gain passage to their destinations is by: Select one: a. fish ladders b. fish trucks c. fish boxes d. fish escalators

Answers

A: Fish Ladder's 100%

Answer:

A) Fish Ladders

Explanation:

One concern that arises from building a dam is that fish are not able to migrate. One way that fish can gain passage to their destinations is by fish ladders. Fish ladders are structures that are built into the dam and allow fish to swim up and over the dam, so that they can continue their migration. Fish ladders typically consist of a series of pools or steps that the fish can swim up, similar to a staircase. This allows the fish to bypass the dam and continue their journey.

A scientist takes a cell from one cow and an egg from a second cow. The scientist removes the DNA from the egg and replaces it with the DNA from the first cow. The scientist’s goal is to produce a baby cow with DNA that is identical to the first cow.Which best describes this scenario?

genetic engineering
gene therapy
cloning
selective breeding

Answers

Answer:

Cloning I'm pretty sure

Explanation:

Answer:

Cloning

Explanation:

Which type of muscle is used primarily for voluntary actions?a. skeletal
b. smooth
c. cardiac
d. both
b. and
c.

Answers

The skeletal muscle is used, so A.
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