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Which of the following accurately describes an effect of smoking? A. Smoking decreases heart rate. B. Smoking enables hemoglobin to carry more oxygen. C. Smoking damages cilia in the trachea and more particles enter the lungs. D. Smoking lowers blood pressure.
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Asked 11/27/2017 9:14:14 PM
Updated 11/27/2017 10:06:24 PM
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User: Which of the following accurately describes an effect of smoking? A. Smoking decreases heart rate. B. Smoking enables hemoglobin to carry more oxygen. C. Smoking damages cilia in the trachea and more particles enter the lungs. D. Smoking lowers blood pressure.

Weegy: Smoking damages cilia in the trachea and more particles enter the lungs- accurately describes an effect of smoking.
Score .9978

User: Which of the following events happens first in the development of a new organism? A. A sperm fertilizes an egg to form a zygote. B. A blastocyst implants into the uterine wall. C. A morula is formed. D. A zygote undergoes mitosis.

Question
Asked 11/27/2017 9:14:14 PM
Updated 11/27/2017 10:06:24 PM
1 Answer/Comment
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A sperm fertilizes an egg to form a zygote happens first in the development of a new organism.
Added 11/27/2017 10:06:24 PM
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Questions asked by the same visitor
Which of the chains of amino acids corresponds to the nucleotide sequence AAUGGCUAC? A. methionine–tryptophan–leucine B. asparagine–glycine–tyrosine C. valine–glycine–stop D. isoleucine–arginine–leucine
Question
Not Answered
Updated 7/23/2020 3:39:37 PM
1 Answer/Comment
The chain of amino acids that corresponds to the nucleotide sequence AAUGGCUAC is asparagine-glycine-tyrosine.

Added 7/23/2020 3:39:37 PM
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Which one of the following is a type of passive transport? A. Osmosis B. Proton pumps C. Exocytosis D. Endocytosis
Question
Updated 11/27/2017 8:32:07 PM
1 Answer/Comment

Osmosis is a type of passive transport.

Added 11/27/2017 8:32:07 PM
This answer has been confirmed as correct and helpful.
In which phase will crossing-over occur? A. Meiosis II B. Prophase I C. Mitosis D. Metaphase II
Question
Updated 11/27/2017 8:58:32 PM
1 Answer/Comment
Crossing-over occurs in Prophase I.
Added 11/27/2017 8:58:32 PM
This answer has been confirmed as correct and helpful.
Confirmed by yumdrea [11/27/2017 9:31:10 PM]
Which of the following accurately describes a step within transcription? A. The RNA strand forms a template by which DNA can be built. B. The DNA strand is used as a template for which a complementary RNA strand can be produced. C. DNA polymerase uses one strand of RNA as a template to put together nucleotides. D. The RNA strand is produced within the cytoplasm.
Question
Updated 4/20/2020 11:46:36 PM
1 Answer/Comment
The DNA strand is used as a template for which a complementary RNA strand can be produced accurately describes a step within transcription.
Added 4/20/2020 11:46:36 PM
This answer has been confirmed as correct and helpful.
If a single mutation turns off the growth of some pairs of legs within an organism, what's most likely affected? A. A duplicated gene B. A substituted gene C. A deleted gene D. A Hox gene
Question
Updated 11/27/2017 9:01:24 PM
1 Answer/Comment
If a single mutation turns off the growth of some pairs of legs within an organism, a Hox gene is most likely affected.
Added 11/27/2017 9:01:24 PM
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