Answer:
P, F1 and F2
Explanation:
The first generation crossed which included the true breeding parents are the P generation plant. This produces the two subsequent generations which are the first filial generation (F1) and the second filial generation (F2).
Which statement summarizes a change that occurs during photosynthesis?
Answer:
It converts light energy to chemical energy.
Explanation:
Its absorbing sunlight and changing in to chemical energy for the plants nutrients.
During photosynthesis, light energy will be changed into chemical energy.
What is photosynthesis?Photosynthesis was a process used mostly by plants as well as other creatures to transform sunlight into chemical energy which, via cellular respiration, might subsequently be produced to fuel the organism's functions.
What is chemical energy?Chemical energy was the energy that would be generated while chemical substances engage in a chemical reaction but also change into some other substances.
Therefore, during photosynthesis, light energy will be changed into chemical energy.
To know more about photosynthesis and chemical energy.
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What are gyres?
1.Large plants that move in circles in the ocean.
2.Large circulating parts of the ocean
3.Large animals in the ocean that move in circles in the ocean.
Answer:
A gyre is a circular ocean current formed by the Earth's wind patterns and the forces created by the rotation of the planet..
Explanation:
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Question 21 (5 points)
Which of the following terms describes a collection of hollow cells that implants on
the uterus wall after fertilization, but is not yet differentiated (in other words, all cells
are the same type of cell still)?
Fetus
Haploid
Mitosis
Blastocyst
Answer:
The answer is option D.
Blastocyst
Hope this helps
Answer:
Blastocyst
Explanation:
Once an egg is fertilized by a sperm, it begins to divide by mitosis into a 2, 4, and then 8 celled structure. Eventually, this large collection of cells keeps dividing and becomes a hallow collection of undifferentiated cells called a blastocyst. The blastocyst will implant on the wall of the uterus where it will begin to grow and develop during pregnancy into a fetus.
DNA damage checkpoints are crucial for preventing cell proliferation when DNA damage has occurred. The role of DNA checkpoint proteins in the cell cycle is closely tied to the roles of DNA repair enzymes, although these proteins perform different functions.1. Which of the following statements is true for DNA checkpoint proteins and not for DNA repair enzymes? a. These proteins remove a single nucleotide of damaged DNA. b. These proteins nick the phosphodiester backbone of the damaged DNA. c. These proteins prevent the cell cycle from progressing if damaged DNA is detected. d. These proteins remove the region of damaged DNA. 2. Which cell cycle phases contain critical DNA damage checkpoints?a. Gob. G1c. G2d. M
Answer:
1. C. These proteins prevent the cell cycle from progressing if damaged DNA is detected.
2. C. G2
Explanation:
1. All other choices apply uniquely to DNA repair enzymes (i.e. not to DNA checkpoint proteins).
2. Go doesn't contain any critical DNA damage checkpts. because it's not even an official part of the cell cycle; it's simply a phase in which cells are arrested. G1 doesn't contain any critical DNA damage checkpts. because it's before DNA is replicated. G2 is right after S phase when the DNA is replicated; thus, it contains critical DNA damage checkpts.
Antimicrobial peptides can do all of the following except:_________A) regulate body temperature.B) target intracellular components.C) insert themselves into target cell membranes.D) disrupt plasma membrane and/or cell wall.E) stimulate leukocytes.
Answer:
Option A
Explanation:
Antimicrobial peptides cannot regulate body temperature. They can do all of the rest.
=> target intra cellular components.
=> insert themselves into target cell membranes.
=> disrupt plasma membrane and/or cell wall.
=> stimulate leukocytes.
what is cellular affinity in biology?
Answer:
affinity. Attraction between particles. Biology: A measure of the attraction of one biological molecule toward another molecule, either to modify it, destroy it, or form a compound with it. Examples are enzymes and their substrates, or antibodies and their antigens.