BIOLOGY HIGH SCHOOL

Some flowers have a complete set of male and female parts for fertilization. True or False

Answers

Answer 1
Answer:

Answer:

The given statement is true.

The flowers which contain both male and female reproductive structures are called bisexual flowers.

Stamen refers to the male reproductive part of the flower. It consisted of anther and filament.

Pistil refers to the female reproductive part of a flower. It consisted of stigma, style, and ovary.

So, bisexual flowers are those which contain both stamen and pistil.

For example, Hibiscus, Sunflower, Lily, Rose, Tulip, Daffodil, Mustard, Brinjal, Tomato, et cetera.
Answer 2
Answer: The answer is True. Most flowers are capable of reproducing with any other flower of it's species.

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Which statement describes a function of the hormone estrogen

Answers

Answer:

It influences the development of adult sex

characteristics.

Compare and contrast cytokinesis in animal and plant cells.

Answers

Answer:  Animal cells divide by a cleavage furrow. Plant cells divide by a cell plate that eventually becomes the cell wall. Cytoplasm and cell membranes are necessary for cytokinesis in both plants and animals.

Explanation:

Answer:

Sample Response: Cytokinesis occurs in both animal and plant cells. It is the division of the cytoplasm, which is the final stage of the cell cycle. In animal cells, the cell membrane pinches together around the middle of the cell to divide the cytoplasm. In plant cells, the process is a little different. Because the cell wall of a plant cell is rigid, it does not pinch in like the more flexible cell membrane in animal cells. Instead, a structure called a cell plate forms across the middle of the cell. The cell plate moves outward and eventually fuses with the cell membrane to divide the cell into two cells. Then, new cell walls form around the cell membranes.

Explanation:This is the sample response one e

genuity

The rock cycle includes all of the steps except which of the followinga) magma or lava cools b)sediments melt deep beneath Earth's surface
c) extreme heat and pressure form metamorphic d) Rocks at Earth's surface are broken down into smaller pieces.

Answers

B is the correct answer.

Sediments do not melt deep beneath the surface during the rock cycle.

Answer:

options 1 and 2

Explanation:

i got them right on edge

Dna is a polymer consisting of repeating units known as

Answers

DNA is a polymer consisting of repeating units known as nucleotides.

What is a deoxyribonucleic acid (DNA)?

Deoxyribonucleic acid (DNA) can be defined as a hereditary material that is found in the cell nucleus of organisms which contains genetic information of the parent cells.

The Deoxyribonucleic acid (DNA) is made up of repeating strands of four nucleotides such as the adenine (A), thymine (T), guanine (G), and cytosine (C).

The functions of DNA to cells include the following:

  • transfer of genetic information from one cell to the next generation.
  • it helps cells to undergo the process of mutations in unfavorable conditions.

  • Others include: Transcription,cellular metabolism, DNA Fingerprinting,and gene Therapy.

Learn more about DNA here:

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Dna is a polymer consisting of repeating units known as Necleotides.

Muscle tone is ________. A) the feeling of well-being following exercise B) the condition of athletes after intensive training C) the ability of a muscle to efficiently cause skeletal movements D) a state of sustained partial contraction

Answers

Muscle tone is a state of sustained partial contraction (option D).

What is muscle tone?

Muscle tone in physiology is the continuous and passive partial contraction of the muscles, which helps maintain posture.

Muscle tone aids in holding our bodies upright when sitting and standing. These changes in muscletone are what enable us to move.

For example, if someone took the arm and quickly straightened your elbow, the biceps muscle would automatically and quickly respond and contract in response to protect from injury.

Therefore, option D is correct.

Learn more about muscle tone at: brainly.com/question/32267212

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Answer:

D is the correct answer

What will happen if bone marrow gets destroyed ?

Answers

bone marrow contains stem cells. stem cells can develop into red blood cells (carry oxygen), white blood cells (provide immunity), and platelets (aid in clotting)

if the bone marrow is destroyed or does not function properly leukemia (cancer causing abnormal white blood cells) or aplastic anemia (bone marrow doesnt make red blood cells) could develop.
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